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HomeMy WebLinkAboutDRC-2010-002341 - 0901a06880361a31 Denison Mines (USA) Corp. 1050 17th Street, Suite 950 Denver, CO 80265 USA Tel : 303 628-7798 Fax : 303 389-4125 www.denisonmines.com Sent VIA Federal Express February 27, 2010 Mr. Dane L. Finerfrock Co-Executive Secretary Utah Water Quality Board State of Utah Department of Environmental Quality 168 North 1950 West Salt Lake City, UT 84114-4850 Re: Transmittal of 4th Quarter 2009 Routine Chloroform Monitoring Report UDEQ Docket No. UGQ-20-01- White Mesa Uranium Mill Dear Mr. Finerfrock: Enclosed are two copies of the White Mesa Uranium Mill Chloroform Monitoring Report for the 4th Quarter of 2009 as required by the Notice of Violation and Groundwater Corrective Action Order, UDEQ Docket No. UGQ-20-01. If you should have any questions regarding this report please contact me. Yours very truly, DENISON MINES (USA) CORP. Jo Ann Tischler Director, Compliance and Permitting CC: Ron F. Hochstein David C. Frydenlund Harold R. Roberts David E. Turk. OENISOJ)~~ MINES White Mesa Uranium Mill Chloroform Monitoring Report State of Utah Notice of Violation and Groundwater Corrective Action Order UDEQ Docket No. UGQ-20-01 4th Quarter (October through December) 2009 Prepared by: Denison Mines (USA) Corp. (DUSA) 1050 17th Street, Suite 950 Denver CO 80265 February 2010 1 1.0 INTRODUCTION This is the Quarterly Chloroform Monitoring Report, as required under State of Utah Notice of Violation and Groundwater Corrective Action Order State of Utah Department of Environmental Quality (“UDEQ”) Docket No. UGQ-20-01 for the 2nd Quarter of 2009 (the “Quarter”) for Denison Mines’ (USA) Corp.’s (“DUSA’s”) White Mesa Uranium Mill (the “Mill”). This Report also includes the Operations Report for the Long Term Pump Test at MW-4, TW4-19, TW4-15 (MW-26) and TW4-20 for the Quarter. 2.0 SAMPLING AND MONITORING PLAN 2.1 Description of Monitor Wells Sampled During the Quarter During the Quarter, the following chloroform contaminant investigation groundwater samples and measurements were taken: 2.1.1 Groundwater Monitoring Groundwater Monitoring was performed in all of the chloroform monitoring wells, as follows: • MW-4 • TW4-1 • TW4-2 • TW4-3 • TW4-4 • TW4-5 • TW4-6 • TW4-7 • TW4-8 • TW4-9 • TW4-10 • TW4-11 • TW4-12 • TW4-13 • TW4-14 • MW-26 • TW4-16 • MW-32 • TW4-18 • TW4-19 • TW4-20 • TW4-21 • TW4-22 • TW4-23 • TW4-24 • TW4-25 The locations of these wells are indicated on the map attached under Tab A. Wells sampled during this reporting period were analyzed for the following constituents: • Chloroform • Chloromethane • Carbon tetrachloride • Methylene chloride • Chloride • Nitrogen, Nitrate + Nitrite as N 2 2.1.2 Groundwater Head/Level Monitoring Depth to groundwater was taken in the following wells and/or piezometers during the Quarter: a) All of the chloroform contaminant investigation wells listed in paragraph 2.1.1 above in two measurement events on December 11, 2009; b) The point of compliance monitoring wells under the Mill’s Groundwater Discharge Permit (“GWDP”) on December 11, 2009. c) Piezometers – P-1, P-2, P-3, P-4, and P-5 on December 11, 2009. d) Nitrate monitoring wells on December 14, 2009. In addition, weekly depth to groundwater measurements were taken in MW-4, TW4-15 (MW-26), TW4-19 and TW4-20, as part of the long term pumping test for MW-4. 2.2 Sampling Methodology, Equipment and Decontamination Procedures The sampling methodology, equipment and decontamination procedures that were performed for the chloroform contaminant investigation during the Quarter can be summarized as follows: 2.2.1 Well Purging and Depth to Groundwater a) A list is gathered of the wells in order of increasing chloroform contamination. The order for purging is thus established. Mill personnel start purging with all of the non-detect wells and then move to the more contaminated wells in order of chloroform contamination, starting with the wells having the lowest chloroform contamination; and b) Before leaving the Mill office, the pump and hose are rinsed with de-ionized (“DI”) water. Mill personnel then proceed to the first well which is the well indicating the lowest concentration of chloroform based on the previous quarter’s sampling results. Well depth measurements are taken and the two casing volumes are calculated (measurements are made using the same instrument used for the monitoring wells under the Mill’s GWDP). The Grundfos pump (a 6 gpm pump) is then lowered to the bottom of the well and purging is begun. At the first well, the purge rate is established for the purging event by using a calibrated 5 gallon bucket. After the evacuation of the first well has been completed, the pump is removed from the well and the process is repeated at each well location moving from least contaminated to most contaminated well. All wells are capped and secured prior to leaving the sampling location. 3 2.2.2 Sampling a) Following the purging of all chloroform investigation wells, the sampling takes place (usually the next morning). Prior to leaving the Mill office to sample, a cooler along with blue ice is prepared. The trip blank is also gathered at that time (the trip blank for these events is provided by the Analytical Laboratory). Once Mill Personnel arrive at the well sites, labels are filled out for the various samples to be collected. All personnel involved with the collection of water and samples are then outfitted with rubber gloves. Chloroform investigation samples are collected by means of dedicated bailers and the wells are purged by means of a dedicated portable pump. Each quarterly pumping and sample collection event begins at the location least affected by chloroform (based on the previous quarter’s sampling event) and proceeds by affected concentration to the most affected location. The dedicated portable pump is appropriately decontaminated prior to each purging sampling event and the QA rinsate sample is collected after said decontamination but prior to the commencement of the sampling event. In response to discussions held with UDEQ on October 29, 2009 relative to purging and decontamination of sampling equipment, mill sampling personnel have been re-instructed as to decontamination procedures in accordance with Section 6.2.5 of the QAP and purging practices. b) Mill personnel use a disposable bailer to sample each well. The bailer is attached to a reel of approximately 150 feet of nylon rope and then lowered into the well. After coming into contact with the water, the bailer is allowed to sink into the water in order to fill. Once full, the bailer is reeled up out of the well and the sample bottles are filled as follows; (i) First, a set of VOC vials is filled. This set consists of three 40 ml vials provided by the Analytical Laboratory. The set is not filtered and is preserved with HCl; (ii) Second, a 500 ml sample is collected for Nitrates/Nitrites. This sample is also not filtered and is preserved with H2SO4 (the bottle for this set is also provided by the Analytical Laboratory); (iii) Third, a 500 ml sample is collected for Chloride. This sample is not filtered and is not preserved; and c) After the samples have been collected for a particular well, the bailer is disposed of and the samples are placed into the cooler that contains blue ice. The well is then recapped and Mill personnel proceed to the next well. DUSA completed, and transmitted to UDEQ on May 25, 2006, a revised Quality Assurance Plan (“QAP”) for sampling under the Mill’s GWDP. The GWDP QAP was reviewed by UDEQ and has been approved for implementation. The QAP provides a detailed presentation of procedures utilized for groundwater sampling activities under the GWDP. While the water sampling conducted for chloroform investigation purposes has conformed to the general principles set out in the QAP, some of the requirements in the 4 QAP were not fully implemented prior to UDEQ’s approval for reasons set out in correspondence to UDEQ dated December 8, 2006. Subsequent to the delivery of the December 8, 2006 letter, DUSA discussed the issues brought forward in the letter with UDEQ and has received correspondence from UDEQ about those issues. In response to UDEQ’s letter and subsequent discussions with UDEQ, DUSA has incorporated changes in chloroform QA procedures in the form of a separate document. The chloroform QA document describes the differing needs of the chloroform investigation program, and is and attachment to the GWDP QAP where QA needs other than those described in the chloroform QA document are addressed. 2.3 Field Data Worksheets Attached under Tab B are copies of all Field Data Worksheets that were completed during the Quarter for the chloroform contaminant investigation monitoring wells listed in paragraph 2.1.1 above and sampled during the sampling event of December 14 to 17, December 21 to 22, and December 28 to 29, 2009. 2.4 Depth to Groundwater Sheets Attached under Tab C are copies of the Depth to Water Sheets for the weekly monitoring of MW-4, TW4-15 (MW-26), TW4-19 and TW4-20 as well as the monthly depth to groundwater monitoring data for chloroform contaminant investigation wells measured during the quarter. Depth-to-groundwater measurements which were utilized for groundwater contours are included on the Field Data Worksheets at Tab B of this report. 3.0 DATA INTERPRETATION 3.1 Interpretation of Groundwater Levels, Gradients and Flow Directions. 3.1.1 Current Site Groundwater Contour Map The contour map (Tab D) uses the December 11, 2009 data for all the wells listed in paragraph 2.1.2 a0, b), and c),above, and the December 14, 2009 data for the wells listed in 2.1.2 d) above.. Also included under Tab D is a groundwater contour map of the portion of the Mill site where the four chloroform pumping wells are located, with hand-drawn stream tubes, in order to demonstrate hydraulic capture from the pumping 3.1.2 Comparison of Current Groundwater Contour Maps to Groundwater Contour Maps for Previous Quarter The groundwater contour maps for the Mill site for the third quarter of 2009, as submitted with the Chloroform Monitoring Report for the third quarter of 2009, are attached under Tab E. 5 A comparison of the water table contour maps for the Quarter to the water table contour maps for the previous quarter indicates similar patterns of drawdown related to pumping of MW-4, MW-26 (TW4-15), TW4-19 and TW4-20. Water levels and water level contours for the site have not changed significantly since the last quarter, except for a few locations. Differences in water level contours in the northeastern portion of the site are primarily due to the inclusion of the TWN-series wells in the preparation of the maps and to the surveying of well TW4-25. Reported increases in water levels of approximately 11 feet in well MW-20 and of approximately 12 feet in well TW4-25 occurred. The reported water level at MW-20 is more typical for the well than the anomalously low value reported for the third quarter. The change in water level elevation at TW4-25 is due to recent surveying of the well and not to a significant change in depth to water. A reported decrease in water level of approximately 13 feet occurred in pumping well TW4-19 and a reported increase in water level of approximately 5 feet occurred in pumping well MW-26 (TW4-15). Water level changes at pumping wells MW-4 and TW4-20 were less than 5 feet. Water level fluctuations at pumping wells MW-4, MW-26 (TW4-15), TW4-19, and TW4-20 are due in part to fluctuations in pumping conditions just prior to and at the time the measurements are taken. The largest decrease (increase in drawdown) of approximately 13 feet occurred in well TW4-19 and the largest increase (decrease in drawdown), of approximately 5 feet, occurred at MW-26 (TW4-15). 3.1.3 Hydrographs Attached under Tab F are hydrographs showing groundwater elevation in each chloroform contaminant investigation monitor well over time. 3.1.4 Depth to Groundwater Measured and Groundwater Elevation Attached under Tab G are tables showing depth to groundwater measured and groundwater elevation over time for each of the wells listed in Section 2.1.1 above. 3.1.5 Evaluation of the Effectiveness of Hydraulic Capture Perched water containing chloroform has been removed from the subsurface by pumping MW-4, MW-26 (TW4-15), TW4-19, and TW4-20. The purpose of the pumping is to reduce total chloroform mass in the perched zone as rapidly as is practical. These wells were chosen for pumping because 1) they are located in areas of the perched zone having relatively high permeability and saturated thickness, and 2) high concentrations of chloroform were detected at these locations. The relatively high transmissivity of the perched zone in the vicinity of the pumping wells results in the wells having a relatively 6 high productivity. The combination of relatively high productivity and high chloroform concentrations allows a high rate of chloroform mass removal. The impact of pumping these wells is indicated by the water level contour maps attached under Tabs D and E. Cones of depression have developed in the vicinity of the pumping wells which continue to remove significant quantities of chloroform from the perched zone. The water level contour maps indicate that effective capture of water containing high chloroform concentrations in the vicinity of the pumping wells is occurring. As noted in Section 3.1.2, a decrease in water level (increase in drawdown) occurred at TW4-19, and an increase in water level (decrease in drawdown) occurred at MW-26 (TW4-15) since the last quarter. Overall, the combined capture of MW-4, MW-26 (TW4- 15), TW4-19, and TW4-20 has not changed significantly since the last quarter. The increase in drawdown at TW4-19 and the decrease in drawdown at MW-26 (TW4-15) have increased, and decreased, respectively, the apparent capture zones of these wells relative to other nearby pumping wells. The apparent expansion of capture in the northeastern portion of the site is primarily due to the inclusion of the TWN-series wells in the preparation of the maps. Although high chloroform concentrations exist at some locations downgradient of the pumping wells (for example, near TW4-4), the low permeability of the perched zone at these locations would prevent significant rates of chloroform mass removal should these wells be pumped. By pumping at the more productive, upgradient locations, however, the rate of downgradient chloroform migration will be diminished because of the reduction in hydraulic gradients, and natural attenuation will be more effective. 3.2 Interpretation of Analytical Results 3.2.1 Copy of Laboratory Results Included under Tab H of this Report are copies of all laboratory analytical results for the groundwater quality samples collected under the chloroform contaminant investigation on December 14 to 17, December 21 to 22, and December 28 to 29, 2009 along with the laboratory analytical results for required QC samples. All required wells were sampled and analyzed. Due to a labeling error, the laboratory mistakenly labeled the analytical results for TW4-5, TW4-6, TW4-10, TW4-18 and TW4-21, as TWN-5, TWN-6, TWN-10, TWN-18 and TWN-21, respectively. (The TWN series refers to nitrate-nitrite wells). Despite the mis-labeling of result sheets as nitrate wells sheets, the QA manager has confirmed that these samples and results are, in fact, for the appropriate TW4 series chloroform monitoring wells. 3.2.2 Electronic Data Files and Format DUSA has provided to the Executive Secretary an electronic copy of all laboratory results for groundwater quality monitoring conducted under the chloroform contaminant 7 investigation during the Quarter, in Comma Separated Values (CSV). A copy of the transmittal e-mail is included under Tab I. 3.2.3 Current Chloroform Iso-concentration Map Included under Tab J of this Report is a current chloroform iso-concentration map for the Mill site. 3.2.4 Data and Graphs Showing Chloroform Concentration Trends Attached under Tab K is a table summarizing values for all required parameters, chloride, nitrate/nitrite, carbon tetrachloride, chloroform, chloromethane, and methylene chloride, for each well over time. Attached under Tab L are graphs showing chloroform concentration trends in each monitor well over time. 3.2.5 Analysis of Analytical Results Comparing the analytical results to those of the previous quarter, as summarized in the table included under Tab K, the following observations can be made: a) Chloroform concentrations have increased by more than 20% in TW4-15 compared to last quarter; b) Chloroform concentrations have decreased by more than 20% in the following wells compared to last quarter: TW4-2, TW4-4, TW4-5, TW4-10, TW4-18, TW4-19, TW4-21, and TW4-22; c) Chloroform concentrations have remained within 20% in the following wells compared to last quarter: MW-4, TW4-1, TW4-6, TW4-7, TW4-11, TW4-20, and TW4-24; d) TW4-3, TW4-8, TW4-9, TW4-12, TW4-13, TW4-14, TW4-16, MW-32 (TW4- 17), TW4-23, and TW4-25 remained non-detect. In addition, since the last quarter, the chloroform concentration in pumping well TW4-20 increased from 13,000 µg/L to 15,000 µg/L, the concentration in pumping well TW4-19 decreased from 6,600 µg/L to 4,700 µg/L, and the concentration in well TW4-22 decreased from 2,300 µg/L to 380 µg/L. Wells TW4-23 and TW4-25 remained non- detect for chloroform, and the concentration in well TW4-24 decreased slightly from 1.4 µg/L to 1.2 µg/L. TW4-24, located west of TW4-22, and TW4-25, located north of TW4- 21, bound the chloroform plume to the west and north. Chloroform concentrations in TW4-6, which was the most downgradient temporary perched well prior to installation of temporary well TW4-23, and which remained outside the chloroform plume until the first quarter of 2009, decreased from 280 µg/L to 250 8 µg/L. This well likely remained outside the chloroform plume between installation in the second quarter of 2000 and the fourth quarter of 2008 due to a combination of 1) slow rates of downgradient chloroform migration in this area due to low permeability conditions and the effects of upgradient chloroform removal by pumping, and 2) natural attenuation. TW4-23 continues to bound the chloroform plume to the south. The slow rate of chloroform migration in the vicinity of TW4-6 is demonstrated by the contrast between the rate of increase in chloroform at this well compared to the rate of increase in the nearest upgradient well TW4-4. Concentrations at TW4-4 increased from non-detect to more than 2,200 µg/L within only 2 quarters whereas 16 quarters were required for concentrations in TW4-6 to increase from non-detect to only 81 µg/L. 3.3 Quality Assurance Evaluation And Data Validation Quality assurance evaluation and data validation procedures in effect at the time of sampling were followed. These involve three basic types of evaluations: field QC checks; Analytical Laboratory checks; and checks performed by DUSA personnel, as described below. 3.3.1 Field QC Checks Field Quality Control samples for the chloroform investigation program consist of one field duplicate sample for each 20 samples, a trip blank for each shipped cooler, and a DI field blank. These check samples are to be generated for each quarterly sampling episode. During the 4th Quarter 2009 duplicates (TW4-65, duplicate of TW4-17) and (TW4-70, duplicate of TW4-2), a DI field blank (TW4-60), and three trip blanks were collected and analyzed. Rinsates were also collected between well samples, and labeled with the name of the subsequently sampled well with a terminal letter “R”added (e.g. TW4-7R). The results of these analyses are included with the routine analyses under Tab H. 3.3.2 Analytical Laboratory QA/QC Procedures The Analytical Laboratory has provided summary reports of the analytical quality assurance/quality control (QA/QC) measurements necessary to maintain conformance with NELAC certification and reporting protocol. The Analytical Laboratory QA/QC Summary Report, including copies of the Mill’s Chain of Custody and Analytical Request Record forms, for the fourth quarter sampling event, are included under Tab H. 3.3.3 Mill QA Manager Review The Mill QA Manager, which, for these sampling events was DUSA’s Director of Permitting and Compliance, performed four types of reviews: a determination of whether Mill sampling personnel followed Mill sampling procedures; a review of the results from the Field QC Checks; a review of analytical reports for holding times and qualifying 9 indicators for the data; and a review of the Analytical Laboratory QA/QC analysis. The results of the QA Manager’s review are discussed below. a) Adherence to Mill Sampling SOPs On a review of adherence by Mill personnel to the sampling procedures summarized in Section 2.2 above, the QA Manager concluded that such procedures had been followed. b) Results From Field QC Checks The duplicate samples of TW4-2, and TW4-17 indicated a relative percent difference within the prescribed standard of 20% for all parameters duplicated. The rinsate sample preceding TW4-2 also contained trace presence of chloroform. During previous report periods it was noted that field blank de-ionized water continued to yield trace volatile organic presence (i.e. chloroform). This matter was further investigated by the QA manager. Samples were collected upstream, downstream and between columns of the deionizer system. to further isolate the cause of this low level contaminant source. The Mill plans to repeat this additional testing one or more additional periods, The field DI blank for the 4th quarter sampling period did not indicate the presence of chloroform. In response to program improvement needs the QA Manager has initiated a documented review of field recorded parameters and their adherence with Quality Assurance Plan requirements with regard to well purging volumes, and stability of parameters. Necessary corrective actions from last monitoring period, completed in accordance with Section 10 of the QAP, are described below: 1. Identification and definition of the problem The three problems previously identified were • the failure to evacuate two casing volumes during purging operations, • the failure to measure at least two field parameter data sets within +/- 10%, and • the failure to measure turbidity in collected samples. 2. Assignment of responsibility for investigation the problem The problem has been investigated by the QA Manager. 3. Investigation and determination of cause of the problem 10 Sampling personnel previously believed that the process of decontaminating prior to each sampling day and proceeding from the least contaminated to most contaminated well was within the QAP guidelines. However, based on discussions with UDEQ on October 29, 2009, it became apparent that the sampling pump must be decontaminated between each sample location in accordance with Section 6.2.5 of the QAP. Further investigation as to why turbidity was not measured in all wells has identified that the field data worksheet did not have a specific space to record turbidity, and the sampling personnel had not received clear enough instruction that this measurement is required, even though the field sheets do not so indicate. T 4. Determination of a corrective action to eliminate the problem • Sampling personnel have been informed that the procedures outlined in the QAP for well purging with regard to evacuation of two casing volumes and at least two sets of field parameters within 10% RDP must be adhered to. • Sampling personnel have been informed that non-dedicated sampling equipment must be decontaminated before each sampling event and between each individual sample in accordance with Section 6.2.5 of the QAP. • Sampling personnel have been informed that turbidity measurements are required for all samples collected.. 5. Assigning and accepting responsibility for implementing the corrective action It will be the responsibility of the RSO and sampling technicians to implement the corrective action. 6. Implementing the corrective action and evaluating effectiveness Implementation of the corrective action has occurred by means of the notification and improved instruction cited under item 4, above. 7. Verifying that the corrective action has eliminated the problem • Two Casing Volumes The corrective action (instruction) appears to have eliminated the problem. Field personnel have attempted to evacuate two casing volumes on all wells sampled in this period. Further refinement of the method used to improve the accuracy of estimating the correct volume in the field, may be required, as discussed below. 11 • Rinsate The corrective action (instruction) appears to have eliminated the problem. During the fourth quarter sampling event, the pump was decontaminated, and rinsate samples collected, before each well sample was collected. • Turbidity The corrective action (instruction) appears to have eliminated the turbidity measurement problem. During the fourth quarter sampling event, turbidity was measured and recorded for all wells. Results of the review of field data sheets for the current (fourth quarter) monitoring period are summarized in the table below: 12 Summary of Field Data QC Review 2x Casings Vol OK RPD RPD RPD RPD RPD Is NTU <5 (gal) (Y/N) (%) (%) (%) (%) (%) T1 T2 T1 T2 T1 T2 T1 T2 T1 T2 MW-4 No Param 2013 6.63 14.09 410 0 Y TW4-1 64.2 150 Y 2259 2274 -0.17 6.64 6.67 -0.11 13.05 13.19 -0.27 430 430 0.00 25.3 25.7 -0.39 N TW4-2 68.64 66 Y 2741 2775 -0.31 6.98 7 -0.07 13.74 13.76 -0.04 488 484 0.21 33.1 32.3 0.61 N TW4-3 66.48 66 Y 1800 1803 -0.04 6.82 6.83 -0.04 13.4 13.45 -0.09 475 474 0.05 4.2 3.8 2.50 Y TW4-4 66.5 66 Y 2503 2498 0.05 6.76 6.78 -0.07 14.04 14.06 -0.04 469 467 0.11 10.8 9.3 3.73 N TW4-5 86.02 84 Y 1761 1763 -0.03 6.93 6.97 -0.14 14.41 14.41 0.00 587 585 0.09 1.7 2.6 -10.47 Y TW4-6 36.84 48 Y 3544 3522 0.16 7.22 7.45 -0.78 13.55 13.56 -0.02 508 501 0.35 531 136.6 29.54 N TW4-7 1 68.8 66 Y 1758 1860 -1.41 7.11 7.15 -0.14 13.43 13.5 -0.13 486 481 0.26 18.8 48.5 -22.07 N TW4-8 75.46 72 Y 3293 3329 -0.27 7.08 7.13 -0.18 13.39 13.24 0.28 266 241 2.47 7.4 7.3 0.34 N TW4-9 87.42 84 Y 2552 2564 -0.12 6.72 6.93 -0.77 13.54 13.44 0.19 362 358 0.28 1.5 1 10.00 Y TW4-10 73.88 72 Y 2702 2848 -1.32 6.82 6.92 -0.36 14.1 14.11 -0.02 514 502 0.59 68 51 7.14 N TW4-11 53.46 54 Y 1769 1770 -0.01 7.01 6.99 0.07 12.94 13.1 -0.31 510 509 0.05 3.4 3.2 1.52 Y TW4-12 82.2 78 N 792.4 788.1 0.14 7.01 7.05 -0.14 13.81 13.82 -0.02 475 471 0.21 3.6 3.9 -2.00 Y TW4-13 73.46 72 Y 1582 1583 -0.02 7.02 6.86 0.58 14.3 14.34 -0.07 466 468 -0.11 15.7 16.5 -1.24 N TW4-14 2 41.96 12 N 2761 4101 -9.76 7.13 6.96 0.60 9.89 12.23 -5.29 460 474 -0.75 20.5 13.1 11.01 N TW4-15 NA 3506 6.84 14.01 449 70.3 N TW4-16 99.48 102 Y 3750 3738 0.08 6.87 6.91 -0.15 14.25 14.03 0.39 375 371 0.27 3.6 1.3 23.47 Y TW4-17/ MW32 66.2 71.82 Y 4037 4063 -0.16 6.5 6.39 0.43 13.68 13.21 0.87 370 246 10.06 1.1 0.5 18.75 Y TW4-18 105.26 102 Y 1410 1413 -0.05 6.82 6.8 0.07 14.3 14.43 -0.23 543 540 0.14 0.4 0.1 30.00 Y TW4-19 NA 3067 7.02 14.5 366 0.8 Y TW4-20 NA 3462 6.5 15.2 529 4.7 Y TW4-21 86.16 84 Y 3200 3210 -0.08 7.05 7.1 -0.18 15.03 15.04 -0.02 564 559 0.22 1.1 1.2 -2.17 Y TW4-22 77.64 78 Y 4981 5207 -1.11 7.14 6.97 0.60 13.89 14.07 -0.32 484 481 0.16 20.8 21.1 -0.36 N TW4-23 73.34 72 Y 3687 3690 -0.02 6.57 6.57 0.00 13.33 13.35 -0.04 344 328 1.19 92.5 92.4 0.03 N TW4-24 85.7 84 Y 9039 9084 -0.12 6.86 6.87 -0.04 13.99 13.9 0.16 463 462 0.05 30.535.71 Y TW4-25 126.6 126 Y 2965 2966 -0.01 7.16 7.25 -0.31 13.81 13.79 0.04 398 393 0.32 3.6 3.8 -1.35 Y Note 1 The well ran dry after last parameters collected 2 The well was evalcuated to dryness Well Vol pumped (gal)Conductance pH Temp. Turbidity (0C) Potential (NTU) Redox. As indicated in the table: • Sampling personnel have implemented a procedure to estimate the evacuation/purging of two sample volumes from each required well. • Sampling personnel have implemented a real time calculation in the field to confirm that required measured parameters have stabilized within a 10% RPD for each required well. • Sampling personnel have implemented the measurement of turbidity for each required well. 13 In addition, it was identified that Chain of Custody sheets for two of the three shipped sample batches recorded that trip blanks were present in the batch. One of the Chain of Custody sheets did not record that a trip blank was included. In fact, trip blanks were correctly shipped from the lab, included in the shipments from the Mill, and analyzed with all three batches. Field sampling personnel indicated that the missed entry on the Chain of Custody was an oversight due to the large amount of information logged on the sheets at one time. Every other entry on all Chain of Custody sheets was correct. Based on the results in this quarter’s field QA/QC review, 1. Identification and definition of the problem Since implementation of the new measurement procedures: • Evacuated/purged well volumes now approximate the required two casing volumes, but several of the well volumes appear to vary from 5 to 8% below the targeted volume. • Field calculations of RPD as a basis for well stability have resulted in acceptable RPD’s (within 10%) for all but one parameter (redox potential) in one well. • Turbidity measurements, now collected for all required wells, exceeded either the maximum turbidity (5NTU), the stability indicator (within 10% RPD), or both, for 18 out of 25 wells. 2. Assignment of responsibility for investigation the problem The problem has already been investigated by the QA Manager. 3. Investigation and determination of cause of the problem Purged Volumes Sampling personnel use purging time, calculated from the required volume and purging rate, as the indicator that they have purged sufficient volume. The calculation is not sufficiently conservative (slightly underestimates the number of minutes) to purge. Steps are underway to modify the estimation for each well to make the estimation more conservative, and add in a margin of safety in the measurement. RPD Sampling personnel calculate the RPD between measurements and round the resulting RPD value down to the nearest whole percent. Steps are underway to instruct the sampling personnel to round up, and re-equilibrate and re-measure the parameter a rounded up value is greater than 10%. Turbidity Data indicate that it may not be feasible to achieve a turbidity level less than 5 and a stabilized turbidity between any two measurements within 10% RPD. 14 Discussions are underway with UDEQ to address the issue that it may not be appropriate or feasible to achieve consistent turbidity levels of 5 NTU in the White Mesa chloroform program wells under the current evacuation scheme, and that other well purging approaches, such as micro-purging, may be more appropriate. 4. Determination of a corrective action to eliminate the problem Purged Volumes Steps are underway to modify the estimation for each well to make the estimation more conservative, and add in a margin of safety in the measurement. RPD Steps are underway to instruct the sampling personnel to round up, and re- equilibrate and re-measure the parameter a rounded up value is greater than 10%. Turbidity Discussions are underway with UDEQ to address the issue that it may not be appropriate or feasible to achieve consistent turbidity levels of 5 NTU in the White Mesa chloroform program wells under the current evacuation scheme, and that other well purging approaches, such as micro-purging, may be more appropriate. A proposed request for a variance from the turbidity requirement will be submitted during the next monitoring period. Development of an alternate approach, and proposed changes to the QAO, are underway. 5. Assigning and accepting responsibility for implementing the corrective action It will be the responsibility of the RSO and sampling technicians to implement the corrective action. 6. Implementing the corrective action and evaluating effectiveness Implementation of the corrective action for the casing volumes and RPD consistency are already underway. Implementation of the corrective action for turbidity will follow development and UDEQ approval of an agreed upon action, as discussed in item 4. 7. Verifying that the corrective action has eliminated the problem 15 Purged Volumes Verification will occur after field data is received from the next sampling period RPD Verification will occur after field data is received from the next sampling period • Turbidity Verification will occur following submittal of a proposal to UDEQ to modify the well purging approach. c) Review of Analytical Laboratory QA/QC Analysis and Analytical Reports sample (i) Check samples were reviewed for each method used in analyzing the chloroform investigation samples. These methods were: Parameter Method Nitrogen, (Nitrate + Nitrite as N)E353.2 Chloroform, Carbon tetrachloride Chloromethane Methylene chloride E624 E624 E624 E624 Chloride A4500-CL B (ii) The check samples included at least the following: a method blank, a laboratory control spike (sample), a matrix spike and a matrix spike duplicate; (iii) All qualifiers, if any, and the corresponding explanations in the summary reports, were reviewed by the QA Manager. Only two qualifiers were reported. One was reported for matrix interference in the nitrate/nitrate result in one of the analyzed monitoring location samples, however, the reporting limit was maintained below the parameter standard and the reported result. One additional qualifier was reported for spike recovery outside acceptable limits for two parameters: The methylene chloride spike for sample TW4-20. One of the surrogate species in the spike, dibromofluoromethane, had a % recovery outside the acceptable limits, however the other three of the four surrogate species in the spike had % recoveries within the required ranges. The sample matrix spike for one nitrate/nitrite sample also had a % recovery outside acceptable limits. (iii) The laboratory holding time for all analyses was within chloroform specification and sample temperature was acceptable upon receipt. 16 4.0 LONG TERM PUMP TEST AT MW-4, TW4-15 (MW-26), TW4-19 AND TW4-20, OPERATIONS REPORT 4.1 Introduction As a part of the investigation of chloroform contamination at the Mill site, IUSA has been conducting a Long Term Pump Test on MW-4, TW4-19, TW4-15 (MW-26) and TW4- 20. The purpose of the test is to serve as an interim action that will remove a significant amount of chloroform-contaminated water while gathering additional data on hydraulic properties in the area of investigation. The following information documents the operational activities during the Quarter. 4.2 Pump Test Data Collection The long term pump test for MW-4 was started on April 14, 2003, followed by the start of pumping from TW4-19 on April 30, 2003, from TW4-15 (MW-26) on August 8, 2003 and from TW4-20 on August 4, 2005. Personnel from Hydro Geo Chem, Inc. were on site to conduct the first phase of the pump test and collect the initial two days of monitoring data for MW-4. IUSA personnel have gathered subsequent water level and pumping data. Analyses of hydraulic parameters and discussions of perched zone hydrogeology near MW-4 has been provided by Hydro Geo Chem in a separate report, dated November 12, 2001, and in the May 26, 2004 Final Report on the Long Term Pumping Test. Data collected during the Quarter included the following: a) Measurement of water levels at MW-4, TW4-19, TW4-15 (MW-26), and TW4- 20 on a weekly basis, and at selected temporary wells and permanent monitoring wells on a monthly basis (See Section 3.1 and Tabs B and C for a discussion of the water levels); b) Measurement of pumping history: (i) pumping rates (ii) total pumped volume (iii) operational and non-operational periods; c) Periodic sampling of pumped water for chloroform and nitrate/nitrite analysis and other constituents, as discussed in detail in Section 3.2 above. 4.3 Water Level Measurements Beginning August 16, 2003, the frequency of water level measurements from MW-4, TW4-15 (MW-26), and TW4-19 was reduced to weekly. From commencement of pumping TW4-20, water levels in that well have been measured weekly. Depth to 17 groundwater in all other chloroform contaminant investigation wells is monitored monthly. Copies of the weekly Depth to Water monitoring sheets for MW-4, TW4-15 (MW-26), TW4-19 and TW4-20 and the October and December monthly Depth to Water monitoring sheets for all of the chloroform contaminant investigation wells are typically included under Tab C but will be transmitted separately on December 1, 2008. Monthly depth to water measurements for September are recorded in the Field Data Worksheets included under Tab B. 4.4 Pumping Rates and Volumes 4.4.1 MW-4 Approximately 91,320 gallons of water were pumped from MW-4 during the Quarter. The average pumping rate from MW-4, when the pump was pumping, was approximately 4.0 gpm throughout the Quarter. The well is not purging continuously, but is on a delay device. The well purges for a set amount of time and then shuts off to allow the well to recharge. Water from MW-4 was transferred to the Cell 1 evaporation pond through a pipeline installed specifically for that purpose. 4.4.2 TW4-19 Approximately 454,205 gallons of water were pumped from TW4-19 during the Quarter. The average pumping rate from TW4-19, when the pump was pumping, was approximately 6.0 gpm throughout the Quarter. The pump in this well is operating on a delay. It pumps for approximately one and a half minutes and then is off for two to three minutes. Water from TW4-19 was directly transferred to the Cell 1 evaporation pond through a pipeline installed specifically for that purpose. 4.4.3 TW4-15 (MW-26) Approximately 61,960 gallons of water were pumped from TW4-15 (MW-26) during the Quarter. The average flow rate from TW4-15, when the pump was pumping, was approximately 1.5 gpm throughout the Quarter. The well is not purging continuously, but is on a delay device. The well now purges for a set amount of time and then shuts off to allow the well to recharge. The water is directly transferred to the Cell 1 evaporation pond through a pipeline installed specifically for that purpose. 4.4.4 TW4-20 Approximately 208,790 gallons of water were pumped from TW4-20 during the Quarter. The average flow rate from TW4-20, when the pump was pumping, was approximately 6.0 gpm throughout the Quarter. The well is not purging continuously but is on a delay device. The well pump is set on a water elevation device. When the water reaches a set point, the pump turns on until the water level drops to another set point. The water is directly transferred to the Cell 1 evaporation pond through a pipeline installed specifically for that purpose. 18 4.4.5 Mass Removed Chloroform removal was estimated as of the 1st Quarter 2007. Since that estimation the mass removed by well for each quarter has been compiled in the table below, indicating that a total of 480.0.pounds of chloroform have been removed. Chloroform Mass removal (lbs) MW4 TW4-15TW4-19TW4-20Total Mass Removed (lbs) Total lbs as of 1st Qtr 2007 36.8 12.9 150.2 87 286.9 2nd Qtr 2007 lbs removed 1.40.1 02.5 4 3rd Qtr 2007 lbs removed 2.2 0.8 2.9 3.1 9 4th Qtr 2007 lbs removed 1.7 1 3.1 4.8 10.6 1st Qtr 2008 lbs removed 1.7 0.4 4.6 7.2 13.9 2nd Qtr 2008 lbs removed 1.3 0.5 3.2 9.9 14.9 3rd Qtr 2008 lbs removed 1.2 0.3 15.9 9.3 26.7 4th Qtr 2008 lbs removed 1.3 0.3 20.7 0.4 22.7 1st Qtr 2009 lbs removed 1.7 0.4 4.3 3.6 10 2nd Qtr 2009 lbs removed 6.8 0.2 3.7 2.8 13.5 3rd Qtr 2009 lbs removed 1.5 0.4 11.1 5.5 18.5 4th Qtr 2009 lbs removed 4.8 0.6 17.8 26.1 49.3 Total lbs chloroform removed 62.4 17.9 237.5 162.2 480 Mass of Chloroform Removed Per Well Per Quarter 19 4.5 Daily Inspections Denison has submitted an Operations and Maintenance Plan, Chloroform Pumping System, White Mesa Mill, Blanding, Utah, Revision 1.0 to UDEQ for approval. Upon approval of that plan, the Mill will commence documenting its daily inspections of the operational status of the chloroform pumping wells on the daily inspection form, an example of the form of which is attached as Tab M, Operational Problems. No operational problems in the pumping wells were reported during the 4th Quarter, 2009 period. 4.7 Conditions That May Affect Water Levels in Piezometers No significant amount of water was added to any of the three wildlife diversion ponds during the Quarter. 4.8 Chloroform Analysis Monthly chloroform sampling ceased on November 8, 2003. From that time all chloroform contaminant investigation wells were sampled on a quarterly basis. The sample results are discussed above in Section 3.2. 5.0 CONCLUSIONS AND RECOMMENDATIONS The water level contour map for the Quarter indicates that effective capture of water containing high chloroform concentrations in the vicinity of the pumping wells is occurring. Between the third and fourth quarters of 2009, the chloroform concentration in pumping well TW4-20 increased from 13,000 µg/L to 15,000 µg/L, the concentration in pumping well TW4-19 decreased from 6,600 µg/L to 4,700 µg/L, and the concentration in well TW4-22 decreased from 2,300 µg/L to 380 µg/L. Fluctuations in concentrations in these wells are likely related to variations in pumping in TW4-20 and nearby wells, and their location near the suspected former office leach field source area. Regardless of these measured fluctuations in chloroform concentrations, sampling of temporary wells TW4- 24 (located west of TW4-22) and TW4-25 (located north of TW4-21), indicated these wells remain outside the chloroform plume and thus bound the plume to the west and north. Chloroform was not detected at TW4-25, and was detected at a concentration of 1.2 µg/L at TW4-24. The chloroform concentration at downgradient well TW4-6, which remained outside the plume until the first quarter of 2009, decreased from 280 to 250 µg/L. Although fluctuations in concentrations have occurred, this well likely remained outside the chloroform plume between installation in the second quarter of 2000 and the fourth quarter of 2008 due to a combination of 1) slow rates of downgradient chloroform migration in this area due to low permeability conditions and the effects of upgradient chloroform removal by pumping, and 2) natural attenuation. Chloroform remained non- 20 detect at downgradient temporary well TW4-23, which continues to bound the chloroform plume to the south. Continued pumping of MW-4, MW-26 (TW4-15), TW4-19, and TW4-20 is recommended. Pumping these wells, regardless of any short term fluctuations in concentrations detected at the wells (such as at TW4-20), helps to reduce downgradient chloroform migration by removing chloroform mass and reducing average hydraulic gradients, thereby allowing natural attenuation to be more effective. 6.0 SIGNATURE AND CERTIFICATION This document was prepared by Denison Mines (USA) Corp. on February 27, 2010. DENISON MINES (USA) CORP. By: David C. Frydenlund Vice President, Regulatory Affairs and Counsel 21 Certification: I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations. ______________________________________ David C. Frydenlund Vice President, Regulatory Affairs and Counsel Denison Mines (USA) Corp. INDEX OF TABS Tab A Site Plan and Perched Well Locations White Mesa Site Tab B Field Data Worksheets Tab C Depth to Water Sheets Tab D Kriged Current Quarter Groundwater Contour Map, Details Map, and Depth Data Tab E Kriged Previous Quarter Groundwater Contour Map Tab F Hydrographs of Groundwater Elevations Over Time for Chloroform Monitoring Wells Tab G Depths to Groundwater and Elevations Over Time for Groundwater Monitoring Wells Tab H Laboratory Analytical Reports Tab I CSV Transmittal Letter Tab J Kriged Current Quarter Chloroform Isoconcentration Map Tab K Analyte Concentrations Over Time Tab L Chloroform Concentration Trend Graphs Tab M Chloroform Well Daily Inspection Form HYDRO GEO CHEM, INC.APPROVED DATE REFERENCE FIGURE CELL NO. 2 CELL NO. 4A 3332 MW-21 3000 BOUNDARY PROPERTY SCALE IN FEET 0 CELL NO. 1 MILL SITE MW-01 MW-02 MW-03 MW-05 MW-11 MW-12 MW-14 MW-15 MW-16 MW-17 MW-18 MW-19 MW-20 MW-22 MW-23 MW-24 MW-25 MW-27 MW-28 MW-29 MW-30 MW-31 MW-32 PIEZ-1 PIEZ-2 PIEZ-3 PIEZ-4 PIEZ-5 MW-26 TW4-1 TW4-2 TW4-3 TW4-4 TW4-5 TW4-6 TW4-9 TW4-11 TW4-12 TW4-13 TW4-14 TW4-16 TW4-18 TW4-20 TW4-21 MW-04TW4-7 TW4-8 TW4-10 TW4-22 TW4-19 TW4-23 TW4-24 TW4-25 TWN-1 TWN-2 TWN-3 TWN-4 TWN-5 TWN-6 TWN-7 TWN-8 TWN-9 TWN-10 TWN-11 TWN-12 TWN-13 TWN-14 TWN-15 TWN-16 TWN-17 TWN-18 TWN-19 MW-20 PIEZ-1 perched monitoring well temporary perched monitoring well installed April, 2005 perched piezometer MW-31 temporary perched monitoring well perched monitoring well installed April, 2005 SITE PLAN AND PERCHED WELL LOCATIONS WHITE MESA SITE H:/718000/feb10/welloc.srf TW4-19 TW4-20 EXPLANATION temporary perched monitoring well installed May, 2007 TW4-23 wildlife pond SJS temporary perched nitrate monitoring well TWN-1 TabB Field Data Worksheets Order of Contamination for 3rd Quarter 2009 Chloroform Purging Event Chloroform Water Well Well Sample time Levels level Depth 1;),-15 -D'l W4-3 10D1 ND '1q .d!1 100 Ono -:J£. TW4-12 of.Q.7 ND "\K'l7 101.5 oCIYO -\::I.R 2-/0"' TW4-13 (,'>3-;'C,ND '-\'1.ljj 105.5 IllS -i3 R I i2·t&TW4-14 0'"15 ND Q:;\.73 121.33 TW4-17 Ico'\("11\\4\NO 77.43 130 ~_-.'1",- TW4-23 Q'l§i NO P·OI 123.3 IVIZ -t3£.. rrW4-25 07'-l1 NO '-157~143.15 ISS::'-:;>.5 R {~:::0'1:>,0 ND (,lS.l~126 '""-·JOq;J.~NO 121.33 1:;t45 -1 R.2./& 2·11 TW4-16 0'1<.\0 ND !?5.<{142 14?>;}.-If.R / TW4-24 ()"to(',1.5 122 1'-1':>-g.4R TW4-5 0'110 13 12Ll'»:-3K;}Y-TW4-18 DIi';\6 16 137.5 OqS'\_i'-Po.)).-dJ-Cf\TW4-Z1 6542 200 125 II 17 -.9,1 fl. TW4.6 ()~>;9,120 100 \'l>"q-"R /]./L/TW4-15 /'f20 410 7S.3/;DNP,continuous pumping well W4-1O (}11~1200 113 II.\'Y\_\0 R ..Q!iI2.TW4-11 980 100 (j'1,3k TW4-7 1400 121-TW4-1 1500 III 111:>3 -11<.ot% IZ"~I MW4 11f()()1800 JI.33 DNP,continuous pumping well.1:1-;26"01. .016';''1 TW4-4 1800 114.5 1157 -Y R, ~TW4-22 730 115 13()).-Xl.1( o~~5 TW4-2 2800 121.13 I~";)"~R. 1'2'J~TW4-19 !5Ji"U 990 IS.57;)DNP,continuous pumping well. 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"" ',:....,_." .Mf1il!-«1-"GUfr~ViflltelIDj£du;tge lP'e1([lijt Qrooudw8w!MoJJitlllTng QlwRi€)'ABs"'n11Ce il'k~(QAI!') ]!)ate:H.17.1l6 lwvinioii>:I 'JI'€lwirlli1Ji:__-------_lI'Wibiruily '_ flow W!)J:e (IQ),iiII gffllil·I' S/6lJi==·..ICIo"--_ 'Il'Jim~1D evnc"ale fiw!J c~D~,volumes (2V) T=2V1Q-"II M,I) N€liDlllOF Df cllllir"g volume.evacruited (iIi'lither illutiitWo),.;.'_'''--_-'--,.--_ Ifwell eva"",,~to li!:yneDs,number ofg~Uol.ise1iacuii'ti;Il"',,'--_-'-__~_ Name of Certified Anlllyticall LalJoralory itOil~ei;'fllli~·En&~yLab&._'_''---- VOCs " AiR d&ie{'Nin!- P.adiolo·CD Other (specn,,) Lbl()f~1- Y'N N "'Z5Gmi lli\Inlll~OO (.Biirele) lI',\2lle.,,,,,auv,,A<Iildellil ("i~i:Il,,)",'. Y'N Y N :Drapmsenrat8.ve Jis'uned~ spoony'J.'yis"a,nd Quantity ofP¢Ire!Villive: '-L __---.1 L-J~=====_' TabC Depth to Water Sheets Depth to VVater .- 140~MW-4 7i,71 Flow L \G-PMI Meter 0379.'II', I~Lfj TW4-15 7'6 74 Flow r::.'7 G-.PM Meter 017"',170 .' ISr:,1 TW4-19 ~L!,qg Flow 7<C\6[>1--\ Meter 0),Li 36.3() j40:d.,TW4-20 (0'\5 'is I Flow ~Cj G-ptJ\ Meter o7\tJc'i.{) Water:,;),59066 Depth to VVa~er -= 12 2S~MW-4 'fl,"I"r Flow fIlo+r ~~,~",j JL.-h~" Meter 3"1-1q:)o 17-10 TW4-15 71'-/,;;-}Flow run+-~~.J-kr.-Ln.~_. Meter 1++"'(0 ,:> - I 7(5'TW4-19 (sA,S'?Flow NoJ-~~l-lL,_L -. Meter A;;"/{) 17 7-TW4-20 YO.7-Y Flow N"./..r.~~"'-A-.J-+"-r 1,-. Meter 7-77 fib G) Water:.:7-bS,/'U' Depth '~o Water D<dt@JJ,,:..2P:..fLZ._.rmmH~j?(1,l'L .__._.__ --~=-~."......==' )¥I 'i MW-4 7/..6Lj Flow tf,t [,IrA Meter .Jn '(t() I'!/()TW4-15 75('6S-Flow ~.J L1PN\ Meter I x <'iJ7 !J /1;;z,1 TW4-19 I.'J,'6.2-Flow %.2 ~f1/11 Meter 2 7(,,U{J 11/0>TW4-20 b1.(}lj Flow S,/1.1;11 .Meter 11?Y{}() Water:1 "l{}3c;7 ( ( Depth to VV81l(er mmH~L.fa~3A,_ Depth CQlmmelfi]b~; 1DJ<1l~®.J.0..2j...1i._"""" lime We~~-= !'lor MW-4 -:f I.'is r:;'\Flow tj 3 G-rth1, Meter 31541.2/) !!/dS~TW4-15 "1~:?L/1\Flow l,/&tllvl Meter I&'l//}/) JlUs<TW4-19 1,/k7 Flow 'if.rJ ({,/(/1 Meter 79,,;",/Lf;) ;till.TW4-20 £7.02IT Flow 3.0-&ftvl Meter 797<:-:7/) Water:11 Y/14f{? ( Chllorofonn VVe~~§ ~81fr®-10i~Ql2.btOq mm!'~(?J __",b~~Q.f?_.____. 'Jum@ W®J~~/Dl!hQ)tt~C(Q)uTI1l mglJ Il"ll t~~ ~MW-4 7!.Q, O~:J.I.J TW4-1 IOt.3':> 0\51'1 TW4-2 (;,$).41 O'i>t5 TW4-3 I·Hs.q ()1\A1$TW4-4 b3.f,5 Of}/:?,TW4-5 .55.'-1'-1 ()lSA'I TW4-6 1/."/1 oif;)./TW4-7 G,g./7 C>~:?."TW4-8 b7.Q$ ()~!'i TW4-9 53·'] oiSq TW4-10 fiG>0 is U'ij"IOj TW4-11 55 J -l5 oS'?>,"!TW4-12 '?>K .'is 0\\3.!'>TW4-13 Y.3·~q <:ll$37 TW4-14 ~q.1 15 Q8'i~TW4-15 lSl.~3 08%TW4-16 b~.'l'1 ()gYl-/TW4-17 1'1.0'1 Cl1l5'!TW4-18 bC.S3 0'100 TW4-19 fSS.'5;2- o\S'OIS TW4-20 &>7.7'-/ Clli'S5 TW4-21 5lS.o~ Q~Or,TW4-22 Sb .'-16 01{"1 {TW4-23 /0(2 .If'-l ()~()?>TW4-24 llb.;Q ()~50 TW4-25 liS .t;,"! Depth to Water Daft@JL..:u()()i mmH!L~)7&L~_ -". fJ;,7..MW-4 f(l~1 Flow If.//..:,/fl1 NaJA I~,. Meter I.JJI:?-1'7)J-dN v' IY/sJ(TW4-15 >;:X,erf(Flow ~,2 L--rfJytI{ .~'[·"llk:;;.Meter /<:.?t..(rJ () 7 T iils TW4-19 /;S.3,2 Flow '1'.7-G"7tf/1 laMeter33Jf1lf()1'AA ..r:.,~ !IJil.TW4-20 ;;r.Iff Flow 3.(&rtfll Meter f(-/J2 c,2..() H2.rt Water:121~'"[5/)' Depth to Wa~er lJJalft®JLJ.JtJrJ t mmli~L ~211.._<6~-'-----_ IDm®w®~~!!)®lPltfrll C(Q)mm®ll'1Itts'"""--'".,..., jI('fO MW-4 7S.J?3 How Meter W&3(,6 ,H /.,TW4-15 '3/./)1 Flow .".uv 4..11 Meter (C1h(J.l..() v { /1f1'J TW4-19 b3.fb Flow Meter SbJEf[l'cJ 1Y'f5 TW4-20 73 ..5'1 Flow Meter 'X'1JJ1o()t,() Water::111 t"<1 Depth to V\tater 'D'aKe.:.ll:....!..I:L.Jild.L mmlHl((L_..(,--2L3t-f__. Time We~~1Di~())~~tCli)mmefi'1l~$","'"<=n<J..==- U,z::9 MW-4 7/:J 1/Flow ~.'7 /;JM Meter L(/33!)()~ fii02.TW4-15 ::;.<::•/i I Flow b·"<{-rPtl1 Meter :7/)/):;L,J /] /1(I t/TW4-19 /'3.~'7 Flow ;7.9 (-r;?rv1 Meter 313%t.f1f /L;i1 TW4-20 '11 S I Flow 2.(.&rIM Meter 'XloS"/,/)' Water:30~101 Depth to 'Nater /j(,A P -,- III i 0 MW·4 &'6\~tN Flow ;lIkkr ""Grok'o ",,:1\Rcolucc Meter ali;.).o 1'''-.,(, /yos TW4-15 7'1 T~Flow S.)(G·ptJ\ Meter O;)OS4IU IS?;>(,TW4-19 (;'-153 Flow 7 G-P;'-'l Meter NI36t.;SO /35;;l..TW4-20 g:q.(}!Flow 1S G-PIV\ Meter o 'is IS\(,() Water:~OJ,(,7X Chloroform 'NeIls '/>,1-> bS,J.'2> 77i'?> 6771 .Sbd-L( SZ<C(lS :>lsLI[ (,,35:;1.. 5\0),(.0 71,'-I( 9-1.1S" t11/ sq,'?:>7 SS.$ b~7'\ lDaft®Jl.3.fJ..:2/l1L._ "IrDm®W®fl~=ouo::o= 1201 MW-4 1;;30 TW4-1 1';:>3 TW4-2, 1'l)'JO TW4-3 1',33'6 TW4-4 n,M TW4-5 I'??,cl TW4-6 rs:)S TW4-7 1:)32,TW4-8 13?,i\TW4-9 12,).1 TW4-10 -1:>?:J.i TW4-11 \",'=\;).TW4-12 1',>,13 TW4-13 \"?:>l:\'S TW4,·14 'Up TW4-15 IliOL TW4-16 L)SCj TW4-17 131&TW4-18 /((;0 TW4-19 ,i22()TW4-20 j'?X1 TW4-21 \:'>p TW4-22 \3S\TW4-23 ~TW4-24 i'~o7 TW4-25 (Depth to VVater J))ZJ~@...1l:.'3.o -og __mmH~?L~J,·:::'l..r .to .. """',-- 1;;2.:::'\MW-4 7').u-Q Flow l,\G.PfI.\-=Meter Q;f!Joo (,76g] I).;:J.(",TW4-15 g:".'lS Flow 56 G-PM ,,""onc;\«t-71,;."Meter ;).100,(') V'J Dept" I\.OD TW4-19 717~Flow G S &PM." Meter yg7bd-O jJJO TW4-20 G/l.q I Flow -i.5 <i-Pf'1 Meter '1.1 Q3C.(j Water:3077;),\ Depth to \/Vater .~~-~.~ \41S MW-4 7().L-J9 Flow l.j dP-N\ Meter 1fJi'!6 I~Z>Q 1'-1 Dq TW4-15 ]1.f.C{j Flow b.q 6'-ell/) Meter ).1 L~7DD roDS TW4-19 b5·0(Flow (;L1 (.f\;VI Meter osI &,\{&-D. l'iP9 TW4-20 11·M Flow ;)".~Gf'/v{ Meter g)..")&,;)J) Water:31 0 0[5 ( Depth to Water mmHg G21.6J _ Depth Comments Date IJ -I f Mat, T~me We!!- I,-s14.()MW-4 ;;l1.3?Flow 3.r !.-tPnII Meter !JIi ,J>:'JIJfiji(;JIF,D-.,.""-" Ijiitil{TW4-15 753/.Flow 'I 0 ra fJf1I{ Meter '}J~'tj/)!J I/S35 TW4-19 t'5".SO Flow 9':/bft11 Meter ,L;;~l-fl./2(')/) /3/0 TW4-20 73.51 Flow 2.I.{L-rflV\. Meter X'27t.'1// Water:I:-i,l J./4 ?:L ( Date i9--:;:O-oq Time Weii Depth to Water Comments b'i~14 MW-4 /0 h,'Flow LJ.Y (,.p;Vj. I Meter /j ><'')/' Oq I Cj TW4-15 gil \<Flow ~.(,u>fli ,-""",1 ,,!-"',',Meter 00!.j 1(,0 ","J thDet>t Oq<.jS TW4-19 (;,.1r.:..Flow b.1f (;.pl0\ Meter r.::nJf.,() Oqd-.G\TW4-20 (,8 04 Flow ~.8"Go P!'1 Meter !5'3Xl3(\ Water:YI~ot::s Depth to Water mmHg bd,D).(,3 Depth Comments Date 0-;;2,q-Oq Time We~~ I:,S~MW-4 71~~Flow ~W'lJ\ Meter 3S'V) j?i,;h.TW4-15 _.,(,,.."Flow S75 G'I'pli.-0 .... Meter ''0..'/"1'i..\Ck.,,:"<-":')'.'-'" \3i\TW4-19 t,:,qg'-!Flow s;)&PtIJ\ Meter (,3SSCJU 13S'1 TW4-20 bfS L(,Flow ;:;2.4 &PJ'I\ Meter '-6.":)(,33 ZJ Water:~~dgS , \. HYDRO GEO CHEM, INC.APPROVED DATE REFERENCE FIGURE 3332 3000 SCALE IN FEET 0 5582 5503 5471 5502 5521 5501 5494 5493 5498 5587 5604 5458 5450 5498 5507 5537 5576 5543 5512 5537 5547 5557 5557 5583 5550 5585 5537 5583 5578 5565 5586 5571 5524 5549 5559 5548 55845548 5561 5580 5574 5593 5614 5600 5542 5541 MW-01 MW-02 MW-03 MW-05 MW-11 MW-12 MW-14 MW-15 MW-17 MW-18 MW-19 MW-20 MW-22 MW-23 MW-24 MW-25 MW-27 MW-28 MW-29 MW-30 MW-31 MW-26 MW-32 TW4-19 PIEZ-1 PIEZ-2 PIEZ-3 PIEZ-4 PIEZ-5 5551 5553 5554MW-04 5541 5569 5599 TWN-3 TWN-4 TWN-5 TWN-6 TWN-7 TWN-8 TWN-9 TWN-10 TWN-11 TWN-12 TWN-13 TWN-14 TWN-15 TWN-16 TWN-17 TWN-18 TWN-19 5603 5606 5585 5590 5559 5603 5583 5585 5614 5629 5587 5587 5584 5604 5606 5600 5607 5603 5607 TWN-1 TWN-2 TW4-20 MW-22 PIEZ-1 5450 5593 perched monitoring well showing elevation in feet amsl temporary perched monitoring well installed April, 2005 showing elevation in feet amsl perched piezometer showing elevation in feet amsl 5556 MW-31 5547 temporary perched monitoring well showing elevation in feet amsl 5574 perched monitoring well installed April, 2005 showing elevation in feet amsl KRIGED 4th QUARTER, 2009 WATER LEVELS WHITE MESA SITE H:/718000/feb10/wl1209c.srf EXPLANATION temporary perched monitoring well installed May, 2007 showing elevation in feet amsl5541 SJS temporary perched nitrate monitoring well showing elevation in feet amsl TWN-4 5605 HYDRO GEO CHEM, INC.APPROVED DATE REFERENCE FIGURE SCALE IN FEET 0 300150 ( buried line )Tank Holding Waste Lab 5537 5576 5547 5557 5557 5583 5550 5585 5537 5553 5554 5583 5578 5565 5586 5571 5524 5549 5559 5548 55845548 5561 5580 5574 5541 5569 5599 5614 5600 5603 5607 5603 5606 5559 5600 55515553 MW-25 MW-27 MW-31 TW4-1 TW4-2 TW4-3 TW4-4 TW4-5 TW4-6 TW4-7 TW4-8 TW4-9 TW4-10 TW4-11 TW4-12 TW4-13 TW4-14 MW-26 TW4-16 MW-32 TW4-18TW4-19 TW4-20 TW4-21 TW4-22 TW4-23 TW4-24 TW4-25 PIEZ-2 PIEZ-3 TWN-1 TWN-2 TWN-3 TWN-4 TWN-7 TWN-18 MW-04TW4-7 KRIGED 4th QUARTER, 2009 WATER LEVELS AND ESTIMATED CAPTURE ZONES WHITE MESA SITE (detail map) temporary perched monitoring well showing elevation in feet amsl perched monitoring well showing elevation in feet amsl TW4-4 5550 MW-32 5548 EXPLANATION estimated capture zone boundary stream tubes resulting from pumping NOTE: MW-4, MW-26, TW4-19, and TW4-20 are pumping wells SJS H:/718000/feb10/wl1209cz.srf HYDRO GEO CHEM, INC.APPROVED DATE REFERENCE FIGURE 3332 3000 SCALE IN FEET 0 5582 5503 5471 5502 5521 5501 5494 5493 5498 5587 5604 5458 5450 5498 5507 5537 5576 5543 5512 5537 5547 5557 5557 5583 5550 5585 5537 5583 5578 5565 5586 5571 5524 5549 5559 5548 55845548 5561 5580 5574 5593 5614 5600 5542 5541 MW-01 MW-02 MW-03 MW-05 MW-11 MW-12 MW-14 MW-15 MW-17 MW-18 MW-19 MW-20 MW-22 MW-23 MW-24 MW-25 MW-27 MW-28 MW-29 MW-30 MW-31 MW-26 MW-32 TW4-19 PIEZ-1 PIEZ-2 PIEZ-3 PIEZ-4 PIEZ-5 5551 5553 5554MW-04 5541 5569 5599 TWN-3 TWN-4 TWN-5 TWN-6 TWN-7 TWN-8 TWN-9 TWN-10 TWN-11 TWN-12 TWN-13 TWN-14 TWN-15 TWN-16 TWN-17 TWN-18 TWN-19 5603 5606 5585 5590 5559 5603 5583 5585 5614 5629 5587 5587 5584 5604 5606 5600 5607 5603 5607 TWN-1 TWN-2 TW4-20 MW-22 PIEZ-1 5450 5593 perched monitoring well showing elevation in feet amsl temporary perched monitoring well installed April, 2005 showing elevation in feet amsl perched piezometer showing elevation in feet amsl 5556 MW-31 5547 temporary perched monitoring well showing elevation in feet amsl 5574 perched monitoring well installed April, 2005 showing elevation in feet amsl KRIGED 4th QUARTER, 2009 WATER LEVELS AND ESTIMATED CAPTURE ZONES WHITE MESA SITE H:/718000/feb10/wl1209cz2.srf EXPLANATION temporary perched monitoring well installed May, 2007 showing elevation in feet amsl5541 SJS temporary perched nitrate monitoring well showing elevation in feet amsl TWN-4 5605 (NOTE: MW-4, MW-26, TW4-19, and TW4-20 are pumping wells) estimated capture zone boundary stream tubes resulting from pumping HYDRO GEO CHEM, INC.APPROVED DATE REFERENCE FIGURE 3332 3000 SCALE IN FEET 0 5581 5503 5471 5502 5520 5501 5494 5493 5498 5586 5604 5447 5450 5496 5507 5537 5576 5542 5512 5537 5546 5557 5556 5583 5550 5584 5537 5583 5577 5564 5586 5570 5524 5545 5558 5548 558455615558 5579 5573 5592 5614 5601 5541 5539 MW-01 MW-02 MW-03 MW-05 MW-11 MW-12 MW-14 MW-15 MW-17 MW-18 MW-19 MW-20 MW-22 MW-23 MW-24 MW-25 MW-27 MW-28 MW-29 MW-30 MW-31 MW-26 MW-32 TW4-19 PIEZ-1 PIEZ-2 PIEZ-3 PIEZ-4 PIEZ-5 5550 5553 5553MW-04 5541 5566 5588 TW4-23 TW4-24 TW4-25 (anomalous) MW-22 PIEZ-1 5450 5592 perched monitoring well showing elevation in feet amsl temporary perched monitoring well installed April, 2005 showing elevation in feet amsl perched piezometer showing elevation in feet amsl 5556 MW-31 5546 temporary perched monitoring well showing elevation in feet amsl 5573 perched monitoring well installed April, 2005 showing elevation in feet amsl KRIGED 3rd QUARTER, 2009 WATER LEVELS WHITE MESA SITE H:/718000/nov09/wl0909.srf EXPLANATION temporary perched monitoring well installed May, 2007 showing approximate elevation in feet amsl 5541 NOTES: Locations and elevations for TW4-23, TW4-24, and TW4-25 are approximate SJS 50.0 60.0 70.0 80.0 09 / 2 5 / 7 9 06 / 1 7 / 8 0 09 / 0 1 / 8 4 09 / 0 1 / 8 5 03 / 0 1 / 8 6 02 / 2 0 / 8 7 01 / 2 6 / 8 8 03 / 0 9 / 8 9 02 / 1 6 / 9 0 02 / 2 7 / 9 1 03 / 1 7 / 9 2 03 / 2 4 / 9 3 03 / 2 4 / 9 4 03 / 1 6 / 9 5 03 / 2 8 / 9 6 04 / 0 7 / 9 9 01 / 0 3 / 0 0 05 / 1 5 / 0 0 06 / 2 6 / 0 0 07 / 2 5 / 0 0 08 / 3 1 / 0 0 09 / 2 9 / 0 0 10 / 2 3 / 0 0 11 / 3 0 / 0 0 03 / 2 9 / 0 1 07 / 1 0 / 0 1 11 / 0 8 / 0 1 03 / 2 6 / 0 2 07 / 0 8 / 0 2 11 / 2 2 / 0 2 03 / 2 6 / 0 3 07 / 0 7 / 0 3 11 / 0 7 / 0 3 03 / 2 8 / 0 4 07 / 2 8 / 0 4 11 / 1 6 / 0 4 03 / 1 5 / 0 5 07 / 2 9 / 0 5 03 / 0 8 / 0 6 02 / 2 7 / 0 7 03 / 2 6 / 0 8 03 / 0 3 / 0 9 MW‐4 Water Depth Over Time (ft blmp) 50.0 60.0 70.0 80.0 90.0 100.0 110.0 120.0 09 / 2 5 / 7 9 06 / 1 7 / 8 0 09 / 0 1 / 8 4 09 / 0 1 / 8 5 03 / 0 1 / 8 6 02 / 2 0 / 8 7 01 / 2 6 / 8 8 03 / 0 9 / 8 9 02 / 1 6 / 9 0 02 / 2 7 / 9 1 03 / 1 7 / 9 2 03 / 2 4 / 9 3 03 / 2 4 / 9 4 03 / 1 6 / 9 5 03 / 2 8 / 9 6 04 / 0 7 / 9 9 01 / 0 3 / 0 0 05 / 1 5 / 0 0 06 / 2 6 / 0 0 07 / 2 5 / 0 0 08 / 3 1 / 0 0 09 / 2 9 / 0 0 10 / 2 3 / 0 0 11 / 3 0 / 0 0 03 / 2 9 / 0 1 07 / 1 0 / 0 1 11 / 0 8 / 0 1 03 / 2 6 / 0 2 07 / 0 8 / 0 2 11 / 2 2 / 0 2 03 / 2 6 / 0 3 07 / 0 7 / 0 3 11 / 0 7 / 0 3 03 / 2 8 / 0 4 07 / 2 8 / 0 4 11 / 1 6 / 0 4 03 / 1 5 / 0 5 07 / 2 9 / 0 5 03 / 0 8 / 0 6 02 / 2 7 / 0 7 03 / 2 6 / 0 8 03 / 0 3 / 0 9 MW‐4 Water Depth Over Time (ft blmp) 55.0 60.0 65.0 70 0 11 / 0 8 / 9 9 02 / 0 8 / 0 0 05 / 0 8 / 0 0 08 / 0 8 / 0 0 11 / 0 8 / 0 0 02 / 0 8 / 0 1 05 / 0 8 / 0 1 08 / 0 8 / 0 1 11 / 0 8 / 0 1 02 / 0 8 / 0 2 05 / 0 8 / 0 2 08 / 0 8 / 0 2 11 / 0 8 / 0 2 02 / 0 8 / 0 3 05 / 0 8 / 0 3 08 / 0 8 / 0 3 11 / 0 8 / 0 3 02 / 0 8 / 0 4 05 / 0 8 / 0 4 08 / 0 8 / 0 4 11 / 0 8 / 0 4 02 / 0 8 / 0 5 05 / 0 8 / 0 5 08 / 0 8 / 0 5 11 / 0 8 / 0 5 02 / 0 8 / 0 6 05 / 0 8 / 0 6 08 / 0 8 / 0 6 11 / 0 8 / 0 6 02 / 0 8 / 0 7 05 / 0 8 / 0 7 08 / 0 8 / 0 7 11 / 0 8 / 0 7 02 / 0 8 / 0 8 05 / 0 8 / 0 8 08 / 0 8 / 0 8 11 / 0 8 / 0 8 02 / 0 8 / 0 9 05 / 0 8 / 0 9 08 / 0 8 / 0 9 11 / 0 8 / 0 9 asu r i n g  Po i n t  (f t . ) TW4‐1 Water Depth Over Time (ft. blmp) 55.0 60.0 65.0 70.0 75.0 80.0 85.0 11 / 0 8 / 9 9 02 / 0 8 / 0 0 05 / 0 8 / 0 0 08 / 0 8 / 0 0 11 / 0 8 / 0 0 02 / 0 8 / 0 1 05 / 0 8 / 0 1 08 / 0 8 / 0 1 11 / 0 8 / 0 1 02 / 0 8 / 0 2 05 / 0 8 / 0 2 08 / 0 8 / 0 2 11 / 0 8 / 0 2 02 / 0 8 / 0 3 05 / 0 8 / 0 3 08 / 0 8 / 0 3 11 / 0 8 / 0 3 02 / 0 8 / 0 4 05 / 0 8 / 0 4 08 / 0 8 / 0 4 11 / 0 8 / 0 4 02 / 0 8 / 0 5 05 / 0 8 / 0 5 08 / 0 8 / 0 5 11 / 0 8 / 0 5 02 / 0 8 / 0 6 05 / 0 8 / 0 6 08 / 0 8 / 0 6 11 / 0 8 / 0 6 02 / 0 8 / 0 7 05 / 0 8 / 0 7 08 / 0 8 / 0 7 11 / 0 8 / 0 7 02 / 0 8 / 0 8 05 / 0 8 / 0 8 08 / 0 8 / 0 8 11 / 0 8 / 0 8 02 / 0 8 / 0 9 05 / 0 8 / 0 9 08 / 0 8 / 0 9 11 / 0 8 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐1 Water Depth Over Time (ft. blmp) 62.0 64.0 66.0 68.0 70.0 11 / 0 8 / 9 9 01 / 1 0 / 0 0 02 / 0 1 / 0 0 02 / 2 3 / 0 0 03 / 1 5 / 0 0 04 / 0 4 / 0 0 04 / 2 8 / 0 0 05 / 1 5 / 0 0 06 / 1 6 / 0 0 07 / 1 3 / 0 0 08 / 0 2 / 0 0 08 / 3 1 / 0 0 09 / 2 0 / 0 0 12 / 0 6 / 0 0 03 / 2 9 / 0 1 06 / 2 1 / 0 1 09 / 1 9 / 0 1 12 / 0 3 / 0 1 03 / 2 6 / 0 2 06 / 0 5 / 0 2 09 / 1 1 / 0 2 12 / 0 3 / 0 2 03 / 2 6 / 0 3 06 / 0 9 / 0 3 09 / 1 1 / 0 3 12 / 0 3 / 0 3 03 / 2 8 / 0 4 06 / 1 8 / 0 4 09 / 1 6 / 0 4 12 / 2 2 / 0 4 03 / 1 5 / 0 5 06 / 3 0 / 0 5 12 / 0 7 / 0 5 07 / 1 8 / 0 6 05 / 0 2 / 0 7 03 / 2 6 / 0 8 10 / 1 4 / 0 8 09 / 1 0 / 0 9 uri n g  Po i n t  (f t . ) TW4‐2 Water Depth Over Time (ft. blmp) 62.0 64.0 66.0 68.0 70.0 72.0 74.0 76.0 78.0 80.0 11 / 0 8 / 9 9 01 / 1 0 / 0 0 02 / 0 1 / 0 0 02 / 2 3 / 0 0 03 / 1 5 / 0 0 04 / 0 4 / 0 0 04 / 2 8 / 0 0 05 / 1 5 / 0 0 06 / 1 6 / 0 0 07 / 1 3 / 0 0 08 / 0 2 / 0 0 08 / 3 1 / 0 0 09 / 2 0 / 0 0 12 / 0 6 / 0 0 03 / 2 9 / 0 1 06 / 2 1 / 0 1 09 / 1 9 / 0 1 12 / 0 3 / 0 1 03 / 2 6 / 0 2 06 / 0 5 / 0 2 09 / 1 1 / 0 2 12 / 0 3 / 0 2 03 / 2 6 / 0 3 06 / 0 9 / 0 3 09 / 1 1 / 0 3 12 / 0 3 / 0 3 03 / 2 8 / 0 4 06 / 1 8 / 0 4 09 / 1 6 / 0 4 12 / 2 2 / 0 4 03 / 1 5 / 0 5 06 / 3 0 / 0 5 12 / 0 7 / 0 5 07 / 1 8 / 0 6 05 / 0 2 / 0 7 03 / 2 6 / 0 8 10 / 1 4 / 0 8 09 / 1 0 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐2 Water Depth Over Time (ft. blmp) 40.0 45.0 50.0 55.0 11 / 2 9 / 9 9 01 / 1 7 / 0 0 02 / 0 7 / 0 0 03 / 0 1 / 0 0 03 / 2 0 / 0 0 04 / 1 3 / 0 0 05 / 0 1 / 0 0 05 / 2 5 / 0 0 06 / 2 6 / 0 0 07 / 1 3 / 0 0 08 / 0 2 / 0 0 08 / 3 1 / 0 0 09 / 2 0 / 0 0 12 / 0 6 / 0 0 03 / 2 8 / 0 1 06 / 2 1 / 0 1 09 / 1 9 / 0 1 06 / 2 1 / 0 1 09 / 1 9 / 0 1 12 / 0 3 / 0 1 03 / 2 6 / 0 2 06 / 0 5 / 0 2 09 / 1 1 / 0 2 12 / 0 3 / 0 2 03 / 2 6 / 0 3 06 / 0 9 / 0 3 09 / 1 1 / 0 3 12 / 0 3 / 0 3 03 / 2 8 / 0 4 06 / 1 8 / 0 4 09 / 1 6 / 0 4 12 / 2 2 / 0 4 03 / 1 5 / 0 5 06 / 3 0 / 0 5 12 / 0 7 / 0 5 07 / 1 8 / 0 6 05 / 0 2 / 0 7 03 / 2 6 / 0 8 10 / 1 4 / 0 8 09 / 1 0 / 0 9 eas u r i n g  Po i n t  (f t . ) TW4‐3 Water Depth Over Time (ft. blmp) 40.0 45.0 50.0 55.0 60.0 65.0 70.0 75.0 11 / 2 9 / 9 9 01 / 1 7 / 0 0 02 / 0 7 / 0 0 03 / 0 1 / 0 0 03 / 2 0 / 0 0 04 / 1 3 / 0 0 05 / 0 1 / 0 0 05 / 2 5 / 0 0 06 / 2 6 / 0 0 07 / 1 3 / 0 0 08 / 0 2 / 0 0 08 / 3 1 / 0 0 09 / 2 0 / 0 0 12 / 0 6 / 0 0 03 / 2 8 / 0 1 06 / 2 1 / 0 1 09 / 1 9 / 0 1 06 / 2 1 / 0 1 09 / 1 9 / 0 1 12 / 0 3 / 0 1 03 / 2 6 / 0 2 06 / 0 5 / 0 2 09 / 1 1 / 0 2 12 / 0 3 / 0 2 03 / 2 6 / 0 3 06 / 0 9 / 0 3 09 / 1 1 / 0 3 12 / 0 3 / 0 3 03 / 2 8 / 0 4 06 / 1 8 / 0 4 09 / 1 6 / 0 4 12 / 2 2 / 0 4 03 / 1 5 / 0 5 06 / 3 0 / 0 5 12 / 0 7 / 0 5 07 / 1 8 / 0 6 05 / 0 2 / 0 7 03 / 2 6 / 0 8 10 / 1 4 / 0 8 09 / 1 0 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐3 Water Depth Over Time (ft. blmp) 50.0 60.0 70.0 80.0 05 / 2 5 / 0 0 11 / 2 5 / 0 0 05 / 2 5 / 0 1 11 / 2 5 / 0 1 05 / 2 5 / 0 2 11 / 2 5 / 0 2 05 / 2 5 / 0 3 11 / 2 5 / 0 3 05 / 2 5 / 0 4 11 / 2 5 / 0 4 05 / 2 5 / 0 5 11 / 2 5 / 0 5 05 / 2 5 / 0 6 11 / 2 5 / 0 6 05 / 2 5 / 0 7 11 / 2 5 / 0 7 05 / 2 5 / 0 8 11 / 2 5 / 0 8 05 / 2 5 / 0 9 11 / 2 5 / 0 9 ea s u r i n g  Po i n t  (f t . ) TW4‐4 Water Depth Over Time (ft. blmp) 50.0 60.0 70.0 80.0 90.0 100.0 110.0 05 / 2 5 / 0 0 11 / 2 5 / 0 0 05 / 2 5 / 0 1 11 / 2 5 / 0 1 05 / 2 5 / 0 2 11 / 2 5 / 0 2 05 / 2 5 / 0 3 11 / 2 5 / 0 3 05 / 2 5 / 0 4 11 / 2 5 / 0 4 05 / 2 5 / 0 5 11 / 2 5 / 0 5 05 / 2 5 / 0 6 11 / 2 5 / 0 6 05 / 2 5 / 0 7 11 / 2 5 / 0 7 05 / 2 5 / 0 8 11 / 2 5 / 0 8 05 / 2 5 / 0 9 11 / 2 5 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐4 Water Depth Over Time (ft. blmp) 50.0 52.0 54.0 56.0 01 / 0 2 / 0 0 07 / 0 2 / 0 0 01 / 0 2 / 0 1 07 / 0 2 / 0 1 01 / 0 2 / 0 2 07 / 0 2 / 0 2 01 / 0 2 / 0 3 07 / 0 2 / 0 3 01 / 0 2 / 0 4 07 / 0 2 / 0 4 01 / 0 2 / 0 5 07 / 0 2 / 0 5 01 / 0 2 / 0 6 07 / 0 2 / 0 6 01 / 0 2 / 0 7 07 / 0 2 / 0 7 01 / 0 2 / 0 8 07 / 0 2 / 0 8 01 / 0 2 / 0 9 07 / 0 2 / 0 9 eas u r i n g  Po i n t  (f t . ) TW4‐5 Water Depth Over time (ft. blmp) 50.0 52.0 54.0 56.0 58.0 60.0 62.0 01 / 0 2 / 0 0 07 / 0 2 / 0 0 01 / 0 2 / 0 1 07 / 0 2 / 0 1 01 / 0 2 / 0 2 07 / 0 2 / 0 2 01 / 0 2 / 0 3 07 / 0 2 / 0 3 01 / 0 2 / 0 4 07 / 0 2 / 0 4 01 / 0 2 / 0 5 07 / 0 2 / 0 5 01 / 0 2 / 0 6 07 / 0 2 / 0 6 01 / 0 2 / 0 7 07 / 0 2 / 0 7 01 / 0 2 / 0 8 07 / 0 2 / 0 8 01 / 0 2 / 0 9 07 / 0 2 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐5 Water Depth Over time (ft. blmp) TW4‐6 Water level Over time (ft. blmp) 50.0 05 / 2 5 / 0 0 08 / 2 5 / 0 0 11 / 2 5 / 0 0 02 / 2 5 / 0 1 05 / 2 5 / 0 1 08 / 2 5 / 0 1 11 / 2 5 / 0 1 02 / 2 5 / 0 2 05 / 2 5 / 0 2 08 / 2 5 / 0 2 11 / 2 5 / 0 2 02 / 2 5 / 0 3 05 / 2 5 / 0 3 08 / 2 5 / 0 3 11 / 2 5 / 0 3 02 / 2 5 / 0 4 05 / 2 5 / 0 4 08 / 2 5 / 0 4 11 / 2 5 / 0 4 02 / 2 5 / 0 5 05 / 2 5 / 0 5 08 / 2 5 / 0 5 11 / 2 5 / 0 5 02 / 2 5 / 0 6 05 / 2 5 / 0 6 08 / 2 5 / 0 6 11 / 2 5 / 0 6 02 / 2 5 / 0 7 05 / 2 5 / 0 7 08 / 2 5 / 0 7 11 / 2 5 / 0 7 02 / 2 5 / 0 8 05 / 2 5 / 0 8 08 / 2 5 / 0 8 11 / 2 5 / 0 8 02 / 2 5 / 0 9 05 / 2 5 / 0 9 08 / 2 5 / 0 9 11 / 2 5 / 0 9 TW4‐6 Water level Over time (ft. blmp) 50.0 55.0 60.0 05 / 2 5 / 0 0 08 / 2 5 / 0 0 11 / 2 5 / 0 0 02 / 2 5 / 0 1 05 / 2 5 / 0 1 08 / 2 5 / 0 1 11 / 2 5 / 0 1 02 / 2 5 / 0 2 05 / 2 5 / 0 2 08 / 2 5 / 0 2 11 / 2 5 / 0 2 02 / 2 5 / 0 3 05 / 2 5 / 0 3 08 / 2 5 / 0 3 11 / 2 5 / 0 3 02 / 2 5 / 0 4 05 / 2 5 / 0 4 08 / 2 5 / 0 4 11 / 2 5 / 0 4 02 / 2 5 / 0 5 05 / 2 5 / 0 5 08 / 2 5 / 0 5 11 / 2 5 / 0 5 02 / 2 5 / 0 6 05 / 2 5 / 0 6 08 / 2 5 / 0 6 11 / 2 5 / 0 6 02 / 2 5 / 0 7 05 / 2 5 / 0 7 08 / 2 5 / 0 7 11 / 2 5 / 0 7 02 / 2 5 / 0 8 05 / 2 5 / 0 8 08 / 2 5 / 0 8 11 / 2 5 / 0 8 02 / 2 5 / 0 9 05 / 2 5 / 0 9 08 / 2 5 / 0 9 11 / 2 5 / 0 9 (ft . ) TW4‐6 Water level Over time (ft. blmp) 50.0 55.0 60.0 65.0 70.0 75.0 05 / 2 5 / 0 0 08 / 2 5 / 0 0 11 / 2 5 / 0 0 02 / 2 5 / 0 1 05 / 2 5 / 0 1 08 / 2 5 / 0 1 11 / 2 5 / 0 1 02 / 2 5 / 0 2 05 / 2 5 / 0 2 08 / 2 5 / 0 2 11 / 2 5 / 0 2 02 / 2 5 / 0 3 05 / 2 5 / 0 3 08 / 2 5 / 0 3 11 / 2 5 / 0 3 02 / 2 5 / 0 4 05 / 2 5 / 0 4 08 / 2 5 / 0 4 11 / 2 5 / 0 4 02 / 2 5 / 0 5 05 / 2 5 / 0 5 08 / 2 5 / 0 5 11 / 2 5 / 0 5 02 / 2 5 / 0 6 05 / 2 5 / 0 6 08 / 2 5 / 0 6 11 / 2 5 / 0 6 02 / 2 5 / 0 7 05 / 2 5 / 0 7 08 / 2 5 / 0 7 11 / 2 5 / 0 7 02 / 2 5 / 0 8 05 / 2 5 / 0 8 08 / 2 5 / 0 8 11 / 2 5 / 0 8 02 / 2 5 / 0 9 05 / 2 5 / 0 9 08 / 2 5 / 0 9 11 / 2 5 / 0 9 Mea s u r i n g  Po i n t  (f t . ) TW4‐6 Water level Over time (ft. blmp) 50.0 55.0 60.0 65.0 70.0 75.0 80.0 85.0 90.0 05 / 2 5 / 0 0 08 / 2 5 / 0 0 11 / 2 5 / 0 0 02 / 2 5 / 0 1 05 / 2 5 / 0 1 08 / 2 5 / 0 1 11 / 2 5 / 0 1 02 / 2 5 / 0 2 05 / 2 5 / 0 2 08 / 2 5 / 0 2 11 / 2 5 / 0 2 02 / 2 5 / 0 3 05 / 2 5 / 0 3 08 / 2 5 / 0 3 11 / 2 5 / 0 3 02 / 2 5 / 0 4 05 / 2 5 / 0 4 08 / 2 5 / 0 4 11 / 2 5 / 0 4 02 / 2 5 / 0 5 05 / 2 5 / 0 5 08 / 2 5 / 0 5 11 / 2 5 / 0 5 02 / 2 5 / 0 6 05 / 2 5 / 0 6 08 / 2 5 / 0 6 11 / 2 5 / 0 6 02 / 2 5 / 0 7 05 / 2 5 / 0 7 08 / 2 5 / 0 7 11 / 2 5 / 0 7 02 / 2 5 / 0 8 05 / 2 5 / 0 8 08 / 2 5 / 0 8 11 / 2 5 / 0 8 02 / 2 5 / 0 9 05 / 2 5 / 0 9 08 / 2 5 / 0 9 11 / 2 5 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐6 Water level Over time (ft. blmp) 50.0 55.0 60.0 65.0 70.0 75.0 80.0 85.0 90.0 95.0 100.0 05 / 2 5 / 0 0 08 / 2 5 / 0 0 11 / 2 5 / 0 0 02 / 2 5 / 0 1 05 / 2 5 / 0 1 08 / 2 5 / 0 1 11 / 2 5 / 0 1 02 / 2 5 / 0 2 05 / 2 5 / 0 2 08 / 2 5 / 0 2 11 / 2 5 / 0 2 02 / 2 5 / 0 3 05 / 2 5 / 0 3 08 / 2 5 / 0 3 11 / 2 5 / 0 3 02 / 2 5 / 0 4 05 / 2 5 / 0 4 08 / 2 5 / 0 4 11 / 2 5 / 0 4 02 / 2 5 / 0 5 05 / 2 5 / 0 5 08 / 2 5 / 0 5 11 / 2 5 / 0 5 02 / 2 5 / 0 6 05 / 2 5 / 0 6 08 / 2 5 / 0 6 11 / 2 5 / 0 6 02 / 2 5 / 0 7 05 / 2 5 / 0 7 08 / 2 5 / 0 7 11 / 2 5 / 0 7 02 / 2 5 / 0 8 05 / 2 5 / 0 8 08 / 2 5 / 0 8 11 / 2 5 / 0 8 02 / 2 5 / 0 9 05 / 2 5 / 0 9 08 / 2 5 / 0 9 11 / 2 5 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐6 Water level Over time (ft. blmp) 50.0 55.0 60.0 65.0 70.0 75.0 80.0 85.0 90.0 95.0 100.0 05 / 2 5 / 0 0 08 / 2 5 / 0 0 11 / 2 5 / 0 0 02 / 2 5 / 0 1 05 / 2 5 / 0 1 08 / 2 5 / 0 1 11 / 2 5 / 0 1 02 / 2 5 / 0 2 05 / 2 5 / 0 2 08 / 2 5 / 0 2 11 / 2 5 / 0 2 02 / 2 5 / 0 3 05 / 2 5 / 0 3 08 / 2 5 / 0 3 11 / 2 5 / 0 3 02 / 2 5 / 0 4 05 / 2 5 / 0 4 08 / 2 5 / 0 4 11 / 2 5 / 0 4 02 / 2 5 / 0 5 05 / 2 5 / 0 5 08 / 2 5 / 0 5 11 / 2 5 / 0 5 02 / 2 5 / 0 6 05 / 2 5 / 0 6 08 / 2 5 / 0 6 11 / 2 5 / 0 6 02 / 2 5 / 0 7 05 / 2 5 / 0 7 08 / 2 5 / 0 7 11 / 2 5 / 0 7 02 / 2 5 / 0 8 05 / 2 5 / 0 8 08 / 2 5 / 0 8 11 / 2 5 / 0 8 02 / 2 5 / 0 9 05 / 2 5 / 0 9 08 / 2 5 / 0 9 11 / 2 5 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐6 Water level Over time (ft. blmp) TW4‐7 Water Level Over time (ft. blmp) 50.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 TW4‐7 Water Level Over time (ft. blmp) 50.0 55.0 60.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 nt (f t . ) TW4‐7 Water Level Over time (ft. blmp) 50.0 55.0 60.0 65.0 70.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 Me a s u r i n g  Po i n t  (f t . ) TW4‐7 Water Level Over time (ft. blmp) 50.0 55.0 60.0 65.0 70.0 75.0 80.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐7 Water Level Over time (ft. blmp) 50.0 55.0 60.0 65.0 70.0 75.0 80.0 85.0 90.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐7 Water Level Over time (ft. blmp) 50.0 55.0 60.0 65.0 70.0 75.0 80.0 85.0 90.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐7 Water Level Over time (ft. blmp) TW4‐8 Water Level Over Time (ft blmp) 60.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 TW4‐8 Water Level Over Time (ft blmp) 60.0 62.0 64.0 66.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 nt (f t . ) TW4‐8 Water Level Over Time (ft blmp) 60.0 62.0 64.0 66.0 68.0 70.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 Me a s u r i n g  Po i n t  (f t . ) TW4‐8 Water Level Over Time (ft blmp) 60.0 62.0 64.0 66.0 68.0 70.0 72.0 74.0 76.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐8 Water Level Over Time (ft blmp) 60.0 62.0 64.0 66.0 68.0 70.0 72.0 74.0 76.0 78.0 80.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐8 Water Level Over Time (ft blmp) 60.0 62.0 64.0 66.0 68.0 70.0 72.0 74.0 76.0 78.0 80.0 11 / 2 9 / 9 9 02 / 2 9 / 0 0 05 / 3 1 / 0 0 08 / 3 1 / 0 0 11 / 3 0 / 0 0 02 / 2 8 / 0 1 05 / 3 1 / 0 1 08 / 3 1 / 0 1 11 / 3 0 / 0 1 02 / 2 8 / 0 2 05 / 3 1 / 0 2 08 / 3 1 / 0 2 11 / 3 0 / 0 2 02 / 2 8 / 0 3 05 / 3 1 / 0 3 08 / 3 1 / 0 3 11 / 3 0 / 0 3 02 / 2 9 / 0 4 05 / 3 1 / 0 4 08 / 3 1 / 0 4 11 / 3 0 / 0 4 02 / 2 8 / 0 5 05 / 3 1 / 0 5 08 / 3 1 / 0 5 11 / 3 0 / 0 5 02 / 2 8 / 0 6 05 / 3 1 / 0 6 08 / 3 1 / 0 6 11 / 3 0 / 0 6 02 / 2 8 / 0 7 05 / 3 1 / 0 7 08 / 3 1 / 0 7 11 / 3 0 / 0 7 02 / 2 9 / 0 8 05 / 3 1 / 0 8 08 / 3 1 / 0 8 11 / 3 0 / 0 8 02 / 2 8 / 0 9 05 / 3 1 / 0 9 08 / 3 1 / 0 9 11 / 3 0 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐8 Water Level Over Time (ft blmp) 20 / 9 9 20 / 0 0 20 / 0 0 20 / 0 1 20 / 0 1 20 / 0 2 20 / 0 2 20 / 0 3 20 / 0 3 20 / 0 4 20 / 0 4 20 / 0 5 20 / 0 5 20 / 0 6 20 / 0 6 20 / 0 7 20 / 0 7 20 / 0 8 20 / 0 8 20 / 0 9 TW4‐9 Water Level Over Time (ft. blmp) 50.0 52.0 12 / 2 0 / 9 9 06 / 2 0 / 0 0 12 / 2 0 / 0 0 06 / 2 0 / 0 1 12 / 2 0 / 0 1 06 / 2 0 / 0 2 12 / 2 0 / 0 2 06 / 2 0 / 0 3 12 / 2 0 / 0 3 06 / 2 0 / 0 4 12 / 2 0 / 0 4 06 / 2 0 / 0 5 12 / 2 0 / 0 5 06 / 2 0 / 0 6 12 / 2 0 / 0 6 06 / 2 0 / 0 7 12 / 2 0 / 0 7 06 / 2 0 / 0 8 12 / 2 0 / 0 8 06 / 2 0 / 0 9 TW4‐9 Water Level Over Time (ft. blmp) 50.0 52.0 54.0 56.0 12 / 2 0 / 9 9 06 / 2 0 / 0 0 12 / 2 0 / 0 0 06 / 2 0 / 0 1 12 / 2 0 / 0 1 06 / 2 0 / 0 2 12 / 2 0 / 0 2 06 / 2 0 / 0 3 12 / 2 0 / 0 3 06 / 2 0 / 0 4 12 / 2 0 / 0 4 06 / 2 0 / 0 5 12 / 2 0 / 0 5 06 / 2 0 / 0 6 12 / 2 0 / 0 6 06 / 2 0 / 0 7 12 / 2 0 / 0 7 06 / 2 0 / 0 8 12 / 2 0 / 0 8 06 / 2 0 / 0 9 TW4‐9 Water Level Over Time (ft. blmp) 50.0 52.0 54.0 56.0 58.0 60.0 12 / 2 0 / 9 9 06 / 2 0 / 0 0 12 / 2 0 / 0 0 06 / 2 0 / 0 1 12 / 2 0 / 0 1 06 / 2 0 / 0 2 12 / 2 0 / 0 2 06 / 2 0 / 0 3 12 / 2 0 / 0 3 06 / 2 0 / 0 4 12 / 2 0 / 0 4 06 / 2 0 / 0 5 12 / 2 0 / 0 5 06 / 2 0 / 0 6 12 / 2 0 / 0 6 06 / 2 0 / 0 7 12 / 2 0 / 0 7 06 / 2 0 / 0 8 12 / 2 0 / 0 8 06 / 2 0 / 0 9 TW4‐9 Water Level Over Time (ft. blmp) 50.0 52.0 54.0 56.0 58.0 60.0 62.0 64.0 12 / 2 0 / 9 9 06 / 2 0 / 0 0 12 / 2 0 / 0 0 06 / 2 0 / 0 1 12 / 2 0 / 0 1 06 / 2 0 / 0 2 12 / 2 0 / 0 2 06 / 2 0 / 0 3 12 / 2 0 / 0 3 06 / 2 0 / 0 4 12 / 2 0 / 0 4 06 / 2 0 / 0 5 12 / 2 0 / 0 5 06 / 2 0 / 0 6 12 / 2 0 / 0 6 06 / 2 0 / 0 7 12 / 2 0 / 0 7 06 / 2 0 / 0 8 12 / 2 0 / 0 8 06 / 2 0 / 0 9 TW4‐9 Water Level Over Time (ft. blmp) 50.0 52.0 54.0 56.0 58.0 60.0 62.0 64.0 66.0 68.0 70.0 12 / 2 0 / 9 9 06 / 2 0 / 0 0 12 / 2 0 / 0 0 06 / 2 0 / 0 1 12 / 2 0 / 0 1 06 / 2 0 / 0 2 12 / 2 0 / 0 2 06 / 2 0 / 0 3 12 / 2 0 / 0 3 06 / 2 0 / 0 4 12 / 2 0 / 0 4 06 / 2 0 / 0 5 12 / 2 0 / 0 5 06 / 2 0 / 0 6 12 / 2 0 / 0 6 06 / 2 0 / 0 7 12 / 2 0 / 0 7 06 / 2 0 / 0 8 12 / 2 0 / 0 8 06 / 2 0 / 0 9 TW4‐9 Water Level Over Time (ft. blmp) 50.0 52.0 54.0 56.0 58.0 60.0 62.0 64.0 66.0 68.0 70.0 12 / 2 0 / 9 9 06 / 2 0 / 0 0 12 / 2 0 / 0 0 06 / 2 0 / 0 1 12 / 2 0 / 0 1 06 / 2 0 / 0 2 12 / 2 0 / 0 2 06 / 2 0 / 0 3 12 / 2 0 / 0 3 06 / 2 0 / 0 4 12 / 2 0 / 0 4 06 / 2 0 / 0 5 12 / 2 0 / 0 5 06 / 2 0 / 0 6 12 / 2 0 / 0 6 06 / 2 0 / 0 7 12 / 2 0 / 0 7 06 / 2 0 / 0 8 12 / 2 0 / 0 8 06 / 2 0 / 0 9 TW4‐9 Water Level Over Time (ft. blmp) 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 7 7 8 8 8 9 9 9 TW4‐10 Water Level Over Time (ft. blmp) 52.00 53 00 Ja n ‐02 Ap r ‐02 Ju l ‐02 Oc t ‐02 Ja n ‐03 Ap r ‐03 Ju l ‐03 Oc t ‐03 Ja n ‐04 Ap r ‐04 Ju l ‐04 Oc t ‐04 Ja n ‐05 Ap r ‐05 Ju l ‐05 Oc t ‐05 Ja n ‐06 Ap r ‐06 Ju l ‐06 Oc t ‐06 Ja n ‐07 Ap r ‐07 Ju l ‐07 Oc t ‐07 Ja n ‐08 Ap r ‐08 Ju l ‐08 Oc t ‐08 Ja n ‐09 Ap r ‐09 Ju l ‐09 Oc t ‐09 TW4‐10 Water Level Over Time (ft. blmp) 52.00 53.00 54.00 55 00 Ja n ‐02 Ap r ‐02 Ju l ‐02 Oc t ‐02 Ja n ‐03 Ap r ‐03 Ju l ‐03 Oc t ‐03 Ja n ‐04 Ap r ‐04 Ju l ‐04 Oc t ‐04 Ja n ‐05 Ap r ‐05 Ju l ‐05 Oc t ‐05 Ja n ‐06 Ap r ‐06 Ju l ‐06 Oc t ‐06 Ja n ‐07 Ap r ‐07 Ju l ‐07 Oc t ‐07 Ja n ‐08 Ap r ‐08 Ju l ‐08 Oc t ‐08 Ja n ‐09 Ap r ‐09 Ju l ‐09 Oc t ‐09 TW4‐10 Water Level Over Time (ft. blmp) 52.00 53.00 54.00 55.00 56.00 Ja n ‐02 Ap r ‐02 Ju l ‐02 Oc t ‐02 Ja n ‐03 Ap r ‐03 Ju l ‐03 Oc t ‐03 Ja n ‐04 Ap r ‐04 Ju l ‐04 Oc t ‐04 Ja n ‐05 Ap r ‐05 Ju l ‐05 Oc t ‐05 Ja n ‐06 Ap r ‐06 Ju l ‐06 Oc t ‐06 Ja n ‐07 Ap r ‐07 Ju l ‐07 Oc t ‐07 Ja n ‐08 Ap r ‐08 Ju l ‐08 Oc t ‐08 Ja n ‐09 Ap r ‐09 Ju l ‐09 Oc t ‐09 TW4‐10 Water Level Over Time (ft. blmp) 52.00 53.00 54.00 55.00 56.00 57.00 58.00 Ja n ‐02 Ap r ‐02 Ju l ‐02 Oc t ‐02 Ja n ‐03 Ap r ‐03 Ju l ‐03 Oc t ‐03 Ja n ‐04 Ap r ‐04 Ju l ‐04 Oc t ‐04 Ja n ‐05 Ap r ‐05 Ju l ‐05 Oc t ‐05 Ja n ‐06 Ap r ‐06 Ju l ‐06 Oc t ‐06 Ja n ‐07 Ap r ‐07 Ju l ‐07 Oc t ‐07 Ja n ‐08 Ap r ‐08 Ju l ‐08 Oc t ‐08 Ja n ‐09 Ap r ‐09 Ju l ‐09 Oc t ‐09 TW4‐10 Water Level Over Time (ft. blmp) 52.00 53.00 54.00 55.00 56.00 57.00 58.00 59.00 60.00 Ja n ‐02 Ap r ‐02 Ju l ‐02 Oc t ‐02 Ja n ‐03 Ap r ‐03 Ju l ‐03 Oc t ‐03 Ja n ‐04 Ap r ‐04 Ju l ‐04 Oc t ‐04 Ja n ‐05 Ap r ‐05 Ju l ‐05 Oc t ‐05 Ja n ‐06 Ap r ‐06 Ju l ‐06 Oc t ‐06 Ja n ‐07 Ap r ‐07 Ju l ‐07 Oc t ‐07 Ja n ‐08 Ap r ‐08 Ju l ‐08 Oc t ‐08 Ja n ‐09 Ap r ‐09 Ju l ‐09 Oc t ‐09 TW4‐10 Water Level Over Time (ft. blmp) 52.00 53.00 54.00 55.00 56.00 57.00 58.00 59.00 60.00 Ja n ‐02 Ap r ‐02 Ju l ‐02 Oc t ‐02 Ja n ‐03 Ap r ‐03 Ju l ‐03 Oc t ‐03 Ja n ‐04 Ap r ‐04 Ju l ‐04 Oc t ‐04 Ja n ‐05 Ap r ‐05 Ju l ‐05 Oc t ‐05 Ja n ‐06 Ap r ‐06 Ju l ‐06 Oc t ‐06 Ja n ‐07 Ap r ‐07 Ju l ‐07 Oc t ‐07 Ja n ‐08 Ap r ‐08 Ju l ‐08 Oc t ‐08 Ja n ‐09 Ap r ‐09 Ju l ‐09 Oc t ‐09 TW4‐10 Water Level Over Time (ft. blmp) 50.0 55.0 60.0 65.0 01 / 0 3 / 0 2 04 / 0 3 / 0 2 07 / 0 3 / 0 2 10 / 0 3 / 0 2 01 / 0 3 / 0 3 04 / 0 3 / 0 3 07 / 0 3 / 0 3 10 / 0 3 / 0 3 01 / 0 3 / 0 4 04 / 0 3 / 0 4 07 / 0 3 / 0 4 10 / 0 3 / 0 4 01 / 0 3 / 0 5 04 / 0 3 / 0 5 07 / 0 3 / 0 5 10 / 0 3 / 0 5 01 / 0 3 / 0 6 04 / 0 3 / 0 6 07 / 0 3 / 0 6 10 / 0 3 / 0 6 01 / 0 3 / 0 7 04 / 0 3 / 0 7 07 / 0 3 / 0 7 10 / 0 3 / 0 7 01 / 0 3 / 0 8 04 / 0 3 / 0 8 07 / 0 3 / 0 8 10 / 0 3 / 0 8 01 / 0 3 / 0 9 04 / 0 3 / 0 9 07 / 0 3 / 0 9 10 / 0 3 / 0 9 TW4‐11 Water Level Over Time (ft. blmp) 50.0 55.0 60.0 65.0 70.0 75.0 80.0 01 / 0 3 / 0 2 04 / 0 3 / 0 2 07 / 0 3 / 0 2 10 / 0 3 / 0 2 01 / 0 3 / 0 3 04 / 0 3 / 0 3 07 / 0 3 / 0 3 10 / 0 3 / 0 3 01 / 0 3 / 0 4 04 / 0 3 / 0 4 07 / 0 3 / 0 4 10 / 0 3 / 0 4 01 / 0 3 / 0 5 04 / 0 3 / 0 5 07 / 0 3 / 0 5 10 / 0 3 / 0 5 01 / 0 3 / 0 6 04 / 0 3 / 0 6 07 / 0 3 / 0 6 10 / 0 3 / 0 6 01 / 0 3 / 0 7 04 / 0 3 / 0 7 07 / 0 3 / 0 7 10 / 0 3 / 0 7 01 / 0 3 / 0 8 04 / 0 3 / 0 8 07 / 0 3 / 0 8 10 / 0 3 / 0 8 01 / 0 3 / 0 9 04 / 0 3 / 0 9 07 / 0 3 / 0 9 10 / 0 3 / 0 9 TW4‐11 Water Level Over Time (ft. blmp) 30.0 32.0 34.0 36.0 38.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐12 Water Level Over Time (ft. blmp) 30.0 32.0 34.0 36.0 38.0 40.0 42.0 44.0 46.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐12 Water Level Over Time (ft. blmp) TW4‐13 Water Level Over Time (ft.blmp) 40.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 TW4‐13 Water Level Over Time (ft. blmp) 40.0 50.0 60 0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 nt (f t . ) TW4‐13 Water Level Over Time (ft. blmp) 40.0 50.0 60.0 70.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 w Me a s u r i n g  Po i n t  (f t . ) TW4‐13 Water Level Over Time (ft. blmp) 40.0 50.0 60.0 70.0 80.0 90.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐13 Water Level Over Time (ft. blmp) 40.0 50.0 60.0 70.0 80.0 90.0 100.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐13 Water Level Over Time (ft. blmp) 40.0 50.0 60.0 70.0 80.0 90.0 100.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐13 Water Level Over Time (ft. blmp) 86.0 87.0 88.0 89.0 90.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 sur i n g  Po i n t  (f t . ) TW4‐14 Water Level Over Time (ft. blmp) 86.0 87.0 88.0 89.0 90.0 91.0 92.0 93.0 94.0 95.0 96.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐14 Water Level Over Time (ft. blmp) TW4‐15 Water Level Over Time (ft. blmp) 40 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 TW4‐15 Water Level Over Time (ft. blmp) 40 50 60 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 nt (f t . ) TW4‐15 Water Level Over Time (ft. blmp) 40 50 60 70 80 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 w Me a s u r i n g  Po i n t  (f t . ) TW4‐15 Water Level Over Time (ft. blmp) 40 50 60 70 80 90 100 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐15 Water Level Over Time (ft. blmp) 40 50 60 70 80 90 100 110 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐15 Water Level Over Time (ft. blmp) 40 50 60 70 80 90 100 110 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐15 Water Level Over Time (ft. blmp) 50.0 55.0 60.0 65.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 TW4‐16 Water Level Over Time (ft. blmp) 50.0 55.0 60.0 65.0 70.0 75.0 80.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 TW4‐16 Water Level Over Time (ft. blmp) TW4‐17 Water Level Over Time (ft. blmp) 75.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐17 Water Level Over Time (ft. blmp) 75.0 76.0 77.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐17 Water Level Over Time (ft. blmp) 75.0 76.0 77.0 78.0 79.0 80 0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐17 Water Level Over Time (ft. blmp) 75.0 76.0 77.0 78.0 79.0 80.0 81.0 82.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐17 Water Level Over Time (ft. blmp) 75.0 76.0 77.0 78.0 79.0 80.0 81.0 82.0 83.0 84.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐17 Water Level Over Time (ft. blmp) 75.0 76.0 77.0 78.0 79.0 80.0 81.0 82.0 83.0 84.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐17 Water Level Over Time (ft. blmp) TW4‐18 Water Level Over Time (ft. blmp) 48.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐18 Water Level Over Time (ft. blmp) 48.0 50.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐18 Water Level Over Time (ft. blmp) 48.0 50.0 52.0 54.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐18 Water Level Over Time (ft. blmp) 48.0 50.0 52.0 54.0 56.0 58.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐18 Water Level Over Time (ft. blmp) 48.0 50.0 52.0 54.0 56.0 58.0 60.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐18 Water Level Over Time (ft. blmp) 48.0 50.0 52.0 54.0 56.0 58.0 60.0 8/ 2 3 / 2 0 0 2 11 / 2 3 / 2 0 0 2 2/ 2 3 / 2 0 0 3 5/ 2 3 / 2 0 0 3 8/ 2 3 / 2 0 0 3 11 / 2 3 / 2 0 0 3 2/ 2 3 / 2 0 0 4 5/ 2 3 / 2 0 0 4 8/ 2 3 / 2 0 0 4 11 / 2 3 / 2 0 0 4 2/ 2 3 / 2 0 0 5 5/ 2 3 / 2 0 0 5 8/ 2 3 / 2 0 0 5 11 / 2 3 / 2 0 0 5 2/ 2 3 / 2 0 0 6 5/ 2 3 / 2 0 0 6 8/ 2 3 / 2 0 0 6 11 / 2 3 / 2 0 0 6 2/ 2 3 / 2 0 0 7 5/ 2 3 / 2 0 0 7 8/ 2 3 / 2 0 0 7 11 / 2 3 / 2 0 0 7 2/ 2 3 / 2 0 0 8 5/ 2 3 / 2 0 0 8 8/ 2 3 / 2 0 0 8 11 / 2 3 / 2 0 0 8 2/ 2 3 / 2 0 0 9 5/ 2 3 / 2 0 0 9 8/ 2 3 / 2 0 0 9 11 / 2 3 / 2 0 0 9 TW4‐18 Water Level Over Time (ft. blmp) 02 02 03 03 03 03 04 04 04 04 05 05 05 05 06 06 06 06 07 07 07 07 08 08 08 08 09 09 09 09 TW4‐19 Water Level Over Time (ft. blmp) 45.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 TW4‐19 Water Level Over Time (ft. blmp) 45.0 55.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 TW4‐19 Water Level Over Time (ft. blmp) 45.0 55.0 65.0 75.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 TW4‐19 Water Level Over Time (ft. blmp) 45.0 55.0 65.0 75.0 85.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 TW4‐19 Water Level Over Time (ft. blmp) 45.0 55.0 65.0 75.0 85.0 95.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 TW4‐19 Water Level Over Time (ft. blmp) 45.0 55.0 65.0 75.0 85.0 95.0 08 / 2 3 / 0 2 11 / 2 3 / 0 2 02 / 2 3 / 0 3 05 / 2 3 / 0 3 08 / 2 3 / 0 3 11 / 2 3 / 0 3 02 / 2 3 / 0 4 05 / 2 3 / 0 4 08 / 2 3 / 0 4 11 / 2 3 / 0 4 02 / 2 3 / 0 5 05 / 2 3 / 0 5 08 / 2 3 / 0 5 11 / 2 3 / 0 5 02 / 2 3 / 0 6 05 / 2 3 / 0 6 08 / 2 3 / 0 6 11 / 2 3 / 0 6 02 / 2 3 / 0 7 05 / 2 3 / 0 7 08 / 2 3 / 0 7 11 / 2 3 / 0 7 02 / 2 3 / 0 8 05 / 2 3 / 0 8 08 / 2 3 / 0 8 11 / 2 3 / 0 8 02 / 2 3 / 0 9 05 / 2 3 / 0 9 08 / 2 3 / 0 9 11 / 2 3 / 0 9 TW4‐19 Water Level Over Time (ft. blmp) 05 05 06 06 06 06 07 07 07 07 08 08 08 08 09 09 09 09 TW4‐20 Water Level Over Time (ft. blmp) 45.0 07 / 2 9 / 0 5 10 / 2 9 / 0 5 01 / 2 9 / 0 6 04 / 2 9 / 0 6 07 / 2 9 / 0 6 10 / 2 9 / 0 6 01 / 2 9 / 0 7 04 / 2 9 / 0 7 07 / 2 9 / 0 7 10 / 2 9 / 0 7 01 / 2 9 / 0 8 04 / 2 9 / 0 8 07 / 2 9 / 0 8 10 / 2 9 / 0 8 01 / 2 9 / 0 9 04 / 2 9 / 0 9 07 / 2 9 / 0 9 10 / 2 9 / 0 9 TW4‐20 Water Level Over Time (ft. blmp) 45.0 55.0 07 / 2 9 / 0 5 10 / 2 9 / 0 5 01 / 2 9 / 0 6 04 / 2 9 / 0 6 07 / 2 9 / 0 6 10 / 2 9 / 0 6 01 / 2 9 / 0 7 04 / 2 9 / 0 7 07 / 2 9 / 0 7 10 / 2 9 / 0 7 01 / 2 9 / 0 8 04 / 2 9 / 0 8 07 / 2 9 / 0 8 10 / 2 9 / 0 8 01 / 2 9 / 0 9 04 / 2 9 / 0 9 07 / 2 9 / 0 9 10 / 2 9 / 0 9 TW4‐20 Water Level Over Time (ft. blmp) 45.0 55.0 65.0 75.0 07 / 2 9 / 0 5 10 / 2 9 / 0 5 01 / 2 9 / 0 6 04 / 2 9 / 0 6 07 / 2 9 / 0 6 10 / 2 9 / 0 6 01 / 2 9 / 0 7 04 / 2 9 / 0 7 07 / 2 9 / 0 7 10 / 2 9 / 0 7 01 / 2 9 / 0 8 04 / 2 9 / 0 8 07 / 2 9 / 0 8 10 / 2 9 / 0 8 01 / 2 9 / 0 9 04 / 2 9 / 0 9 07 / 2 9 / 0 9 10 / 2 9 / 0 9 TW4‐20 Water Level Over Time (ft. blmp) 45.0 55.0 65.0 75.0 85.0 07 / 2 9 / 0 5 10 / 2 9 / 0 5 01 / 2 9 / 0 6 04 / 2 9 / 0 6 07 / 2 9 / 0 6 10 / 2 9 / 0 6 01 / 2 9 / 0 7 04 / 2 9 / 0 7 07 / 2 9 / 0 7 10 / 2 9 / 0 7 01 / 2 9 / 0 8 04 / 2 9 / 0 8 07 / 2 9 / 0 8 10 / 2 9 / 0 8 01 / 2 9 / 0 9 04 / 2 9 / 0 9 07 / 2 9 / 0 9 10 / 2 9 / 0 9 TW4‐20 Water Level Over Time (ft. blmp) 45.0 55.0 65.0 75.0 85.0 95.0 105.0 07 / 2 9 / 0 5 10 / 2 9 / 0 5 01 / 2 9 / 0 6 04 / 2 9 / 0 6 07 / 2 9 / 0 6 10 / 2 9 / 0 6 01 / 2 9 / 0 7 04 / 2 9 / 0 7 07 / 2 9 / 0 7 10 / 2 9 / 0 7 01 / 2 9 / 0 8 04 / 2 9 / 0 8 07 / 2 9 / 0 8 10 / 2 9 / 0 8 01 / 2 9 / 0 9 04 / 2 9 / 0 9 07 / 2 9 / 0 9 10 / 2 9 / 0 9 TW4‐20 Water Level Over Time (ft. blmp) 45.0 55.0 65.0 75.0 85.0 95.0 105.0 07 / 2 9 / 0 5 10 / 2 9 / 0 5 01 / 2 9 / 0 6 04 / 2 9 / 0 6 07 / 2 9 / 0 6 10 / 2 9 / 0 6 01 / 2 9 / 0 7 04 / 2 9 / 0 7 07 / 2 9 / 0 7 10 / 2 9 / 0 7 01 / 2 9 / 0 8 04 / 2 9 / 0 8 07 / 2 9 / 0 8 10 / 2 9 / 0 8 01 / 2 9 / 0 9 04 / 2 9 / 0 9 07 / 2 9 / 0 9 10 / 2 9 / 0 9 TW4‐20 Water Level Over Time (ft. blmp) 5 6 7 8 9 TW4‐21 Water Level Over Time (ft. blmp) 52.0 7/ 2 9 / 2 0 0 5 10 / 2 9 / 2 0 0 5 1/ 2 9 / 2 0 0 6 4/ 2 9 / 2 0 0 6 7/ 2 9 / 2 0 0 6 10 / 2 9 / 2 0 0 6 1/ 2 9 / 2 0 0 7 4/ 2 9 / 2 0 0 7 7/ 2 9 / 2 0 0 7 10 / 2 9 / 2 0 0 7 1/ 2 9 / 2 0 0 8 4/ 2 9 / 2 0 0 8 7/ 2 9 / 2 0 0 8 10 / 2 9 / 2 0 0 8 1/ 2 9 / 2 0 0 9 4/ 2 9 / 2 0 0 9 7/ 2 9 / 2 0 0 9 10 / 2 9 / 2 0 0 9 TW4‐21 Water Level Over Time (ft. blmp) 52.0 54.0 7/ 2 9 / 2 0 0 5 10 / 2 9 / 2 0 0 5 1/ 2 9 / 2 0 0 6 4/ 2 9 / 2 0 0 6 7/ 2 9 / 2 0 0 6 10 / 2 9 / 2 0 0 6 1/ 2 9 / 2 0 0 7 4/ 2 9 / 2 0 0 7 7/ 2 9 / 2 0 0 7 10 / 2 9 / 2 0 0 7 1/ 2 9 / 2 0 0 8 4/ 2 9 / 2 0 0 8 7/ 2 9 / 2 0 0 8 10 / 2 9 / 2 0 0 8 1/ 2 9 / 2 0 0 9 4/ 2 9 / 2 0 0 9 7/ 2 9 / 2 0 0 9 10 / 2 9 / 2 0 0 9 TW4‐21 Water Level Over Time (ft. blmp) 52.0 54.0 56.0 58.0 7/ 2 9 / 2 0 0 5 10 / 2 9 / 2 0 0 5 1/ 2 9 / 2 0 0 6 4/ 2 9 / 2 0 0 6 7/ 2 9 / 2 0 0 6 10 / 2 9 / 2 0 0 6 1/ 2 9 / 2 0 0 7 4/ 2 9 / 2 0 0 7 7/ 2 9 / 2 0 0 7 10 / 2 9 / 2 0 0 7 1/ 2 9 / 2 0 0 8 4/ 2 9 / 2 0 0 8 7/ 2 9 / 2 0 0 8 10 / 2 9 / 2 0 0 8 1/ 2 9 / 2 0 0 9 4/ 2 9 / 2 0 0 9 7/ 2 9 / 2 0 0 9 10 / 2 9 / 2 0 0 9 TW4‐21 Water Level Over Time (ft. blmp) 52.0 54.0 56.0 58.0 60.0 7/ 2 9 / 2 0 0 5 10 / 2 9 / 2 0 0 5 1/ 2 9 / 2 0 0 6 4/ 2 9 / 2 0 0 6 7/ 2 9 / 2 0 0 6 10 / 2 9 / 2 0 0 6 1/ 2 9 / 2 0 0 7 4/ 2 9 / 2 0 0 7 7/ 2 9 / 2 0 0 7 10 / 2 9 / 2 0 0 7 1/ 2 9 / 2 0 0 8 4/ 2 9 / 2 0 0 8 7/ 2 9 / 2 0 0 8 10 / 2 9 / 2 0 0 8 1/ 2 9 / 2 0 0 9 4/ 2 9 / 2 0 0 9 7/ 2 9 / 2 0 0 9 10 / 2 9 / 2 0 0 9 TW4‐21 Water Level Over Time (ft. blmp) 52.0 54.0 56.0 58.0 60.0 62.0 64.0 7/ 2 9 / 2 0 0 5 10 / 2 9 / 2 0 0 5 1/ 2 9 / 2 0 0 6 4/ 2 9 / 2 0 0 6 7/ 2 9 / 2 0 0 6 10 / 2 9 / 2 0 0 6 1/ 2 9 / 2 0 0 7 4/ 2 9 / 2 0 0 7 7/ 2 9 / 2 0 0 7 10 / 2 9 / 2 0 0 7 1/ 2 9 / 2 0 0 8 4/ 2 9 / 2 0 0 8 7/ 2 9 / 2 0 0 8 10 / 2 9 / 2 0 0 8 1/ 2 9 / 2 0 0 9 4/ 2 9 / 2 0 0 9 7/ 2 9 / 2 0 0 9 10 / 2 9 / 2 0 0 9 TW4‐21 Water Level Over Time (ft. blmp) 52.0 54.0 56.0 58.0 60.0 62.0 64.0 7/ 2 9 / 2 0 0 5 10 / 2 9 / 2 0 0 5 1/ 2 9 / 2 0 0 6 4/ 2 9 / 2 0 0 6 7/ 2 9 / 2 0 0 6 10 / 2 9 / 2 0 0 6 1/ 2 9 / 2 0 0 7 4/ 2 9 / 2 0 0 7 7/ 2 9 / 2 0 0 7 10 / 2 9 / 2 0 0 7 1/ 2 9 / 2 0 0 8 4/ 2 9 / 2 0 0 8 7/ 2 9 / 2 0 0 8 10 / 2 9 / 2 0 0 8 1/ 2 9 / 2 0 0 9 4/ 2 9 / 2 0 0 9 7/ 2 9 / 2 0 0 9 10 / 2 9 / 2 0 0 9 TW4‐21 Water Level Over Time (ft. blmp) 54.00 54.50 55.00 55.50 56.00 07 / 2 9 / 0 5 10 / 2 9 / 0 5 01 / 2 9 / 0 6 04 / 2 9 / 0 6 07 / 2 9 / 0 6 10 / 2 9 / 0 6 01 / 2 9 / 0 7 04 / 2 9 / 0 7 07 / 2 9 / 0 7 10 / 2 9 / 0 7 01 / 2 9 / 0 8 04 / 2 9 / 0 8 07 / 2 9 / 0 8 10 / 2 9 / 0 8 01 / 2 9 / 0 9 04 / 2 9 / 0 9 07 / 2 9 / 0 9 10 / 2 9 / 0 9 Mea s u r i n g  Po i n t  (f t . ) TW4‐22 Water Depth Over Time 54.00 54.50 55.00 55.50 56.00 56.50 57.00 57.50 58.00 58.50 07 / 2 9 / 0 5 10 / 2 9 / 0 5 01 / 2 9 / 0 6 04 / 2 9 / 0 6 07 / 2 9 / 0 6 10 / 2 9 / 0 6 01 / 2 9 / 0 7 04 / 2 9 / 0 7 07 / 2 9 / 0 7 10 / 2 9 / 0 7 01 / 2 9 / 0 8 04 / 2 9 / 0 8 07 / 2 9 / 0 8 10 / 2 9 / 0 8 01 / 2 9 / 0 9 04 / 2 9 / 0 9 07 / 2 9 / 0 9 10 / 2 9 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐22 Water Depth Over Time 65.00 65.50 66.00 66.50 67.00 09 / 1 3 / 0 7 10 / 1 3 / 0 7 11 / 1 3 / 0 7 12 / 1 3 / 0 7 01 / 1 3 / 0 8 02 / 1 3 / 0 8 03 / 1 3 / 0 8 04 / 1 3 / 0 8 05 / 1 3 / 0 8 06 / 1 3 / 0 8 07 / 1 3 / 0 8 08 / 1 3 / 0 8 09 / 1 3 / 0 8 10 / 1 3 / 0 8 11 / 1 3 / 0 8 12 / 1 3 / 0 8 01 / 1 3 / 0 9 02 / 1 3 / 0 9 03 / 1 3 / 0 9 04 / 1 3 / 0 9 05 / 1 3 / 0 9 06 / 1 3 / 0 9 07 / 1 3 / 0 9 08 / 1 3 / 0 9 09 / 1 3 / 0 9 10 / 1 3 / 0 9 11 / 1 3 / 0 9 eas u r i n g  Po i n t  (f t . ) TW4‐23 Water Depth Over Time 65.00 65.50 66.00 66.50 67.00 67.50 68.00 68.50 69.00 09 / 1 3 / 0 7 10 / 1 3 / 0 7 11 / 1 3 / 0 7 12 / 1 3 / 0 7 01 / 1 3 / 0 8 02 / 1 3 / 0 8 03 / 1 3 / 0 8 04 / 1 3 / 0 8 05 / 1 3 / 0 8 06 / 1 3 / 0 8 07 / 1 3 / 0 8 08 / 1 3 / 0 8 09 / 1 3 / 0 8 10 / 1 3 / 0 8 11 / 1 3 / 0 8 12 / 1 3 / 0 8 01 / 1 3 / 0 9 02 / 1 3 / 0 9 03 / 1 3 / 0 9 04 / 1 3 / 0 9 05 / 1 3 / 0 9 06 / 1 3 / 0 9 07 / 1 3 / 0 9 08 / 1 3 / 0 9 09 / 1 3 / 0 9 10 / 1 3 / 0 9 11 / 1 3 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐23 Water Depth Over Time 55.40 55.60 55.80 56.00 56.20 56.40 09 / 1 3 / 0 7 10 / 1 3 / 0 7 11 / 1 3 / 0 7 12 / 1 3 / 0 7 01 / 1 3 / 0 8 02 / 1 3 / 0 8 03 / 1 3 / 0 8 04 / 1 3 / 0 8 05 / 1 3 / 0 8 06 / 1 3 / 0 8 07 / 1 3 / 0 8 08 / 1 3 / 0 8 09 / 1 3 / 0 8 10 / 1 3 / 0 8 11 / 1 3 / 0 8 12 / 1 3 / 0 8 01 / 1 3 / 0 9 02 / 1 3 / 0 9 03 / 1 3 / 0 9 04 / 1 3 / 0 9 05 / 1 3 / 0 9 06 / 1 3 / 0 9 07 / 1 3 / 0 9 08 / 1 3 / 0 9 09 / 1 3 / 0 9 10 / 1 3 / 0 9 11 / 1 3 / 0 9 ea s u r i n g  Po i n t  (f t . ) TW4‐24 Water Depth Over Time 55.40 55.60 55.80 56.00 56.20 56.40 56.60 56.80 57.00 57.20 57.40 09 / 1 3 / 0 7 10 / 1 3 / 0 7 11 / 1 3 / 0 7 12 / 1 3 / 0 7 01 / 1 3 / 0 8 02 / 1 3 / 0 8 03 / 1 3 / 0 8 04 / 1 3 / 0 8 05 / 1 3 / 0 8 06 / 1 3 / 0 8 07 / 1 3 / 0 8 08 / 1 3 / 0 8 09 / 1 3 / 0 8 10 / 1 3 / 0 8 11 / 1 3 / 0 8 12 / 1 3 / 0 8 01 / 1 3 / 0 9 02 / 1 3 / 0 9 03 / 1 3 / 0 9 04 / 1 3 / 0 9 05 / 1 3 / 0 9 06 / 1 3 / 0 9 07 / 1 3 / 0 9 08 / 1 3 / 0 9 09 / 1 3 / 0 9 10 / 1 3 / 0 9 11 / 1 3 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐24 Water Depth Over Time 40.0 45.0 50.0 09 / 1 3 / 0 7 10 / 1 3 / 0 7 11 / 1 3 / 0 7 12 / 1 3 / 0 7 01 / 1 3 / 0 8 02 / 1 3 / 0 8 03 / 1 3 / 0 8 04 / 1 3 / 0 8 05 / 1 3 / 0 8 06 / 1 3 / 0 8 07 / 1 3 / 0 8 08 / 1 3 / 0 8 09 / 1 3 / 0 8 10 / 1 3 / 0 8 11 / 1 3 / 0 8 12 / 1 3 / 0 8 01 / 1 3 / 0 9 02 / 1 3 / 0 9 03 / 1 3 / 0 9 04 / 1 3 / 0 9 05 / 1 3 / 0 9 06 / 1 3 / 0 9 07 / 1 3 / 0 9 08 / 1 3 / 0 9 09 / 1 3 / 0 9 10 / 1 3 / 0 9 11 / 1 3 / 0 9 eas u r i n g  Po i n t  (f t . ) TW4‐25 Water Depth Over Time 40.0 45.0 50.0 55.0 60.0 65.0 09 / 1 3 / 0 7 10 / 1 3 / 0 7 11 / 1 3 / 0 7 12 / 1 3 / 0 7 01 / 1 3 / 0 8 02 / 1 3 / 0 8 03 / 1 3 / 0 8 04 / 1 3 / 0 8 05 / 1 3 / 0 8 06 / 1 3 / 0 8 07 / 1 3 / 0 8 08 / 1 3 / 0 8 09 / 1 3 / 0 8 10 / 1 3 / 0 8 11 / 1 3 / 0 8 12 / 1 3 / 0 8 01 / 1 3 / 0 9 02 / 1 3 / 0 9 03 / 1 3 / 0 9 04 / 1 3 / 0 9 05 / 1 3 / 0 9 06 / 1 3 / 0 9 07 / 1 3 / 0 9 08 / 1 3 / 0 9 09 / 1 3 / 0 9 10 / 1 3 / 0 9 11 / 1 3 / 0 9 De p t h  Be l o w  Me a s u r i n g  Po i n t  (f t . ) TW4‐25 Water Depth Over Time Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,620.77 5,622.33 1.56 123.6 5,527.63 09/25/79 94.70 93.14 5,527.63 10/10/79 94.70 93.14 5,528.43 01/10/80 93.90 92.34 5,529.93 03/20/80 92.40 90.84 5,528.03 06/17/80 94.30 92.74 5,528.03 09/15/80 94.30 92.74 5,527.93 10/08/80 94.40 92.84 5,527.93 02/12/81 94.40 92.84 5,525.93 09/01/84 96.40 94.84 5,528.33 12/01/84 94.00 92.44 5,528.13 02/01/85 94.20 92.64 5,528.33 06/01/85 94.00 92.44 5,528.93 09/01/85 93.40 91.84 5,528.93 10/01/85 93.40 91.84 5,528.93 11/01/85 93.40 91.84 5,528.83 12/01/85 93.50 91.94 5,512.33 03/01/86 110.00 108.44 5,528.91 06/19/86 93.42 91.86 5,528.83 09/01/86 93.50 91.94 5,529.16 12/01/86 93.17 91.61 5,526.66 02/20/87 95.67 94.11 5 529 16 04/28/87 93 17 91 61 Water Levels and Data over Time White Mesa Mill - Well MW4 5,529.16 04/28/87 93.17 91.61 5,529.08 08/14/87 93.25 91.69 5,529.00 11/20/87 93.33 91.77 5,528.75 01/26/88 93.58 92.02 5,528.91 06/01/88 93.42 91.86 5,528.25 08/23/88 94.08 92.52 5,529.00 11/02/88 93.33 91.77 5,528.33 03/09/89 94.00 92.44 5,529.10 06/21/89 93.23 91.67 5,529.06 09/01/89 93.27 91.71 5,529.21 11/15/89 93.12 91.56 5,529.22 02/16/90 93.11 91.55 5,529.43 05/08/90 92.90 91.34 5,529.40 08/07/90 92.93 91.37 5,529.53 11/13/90 92.80 91.24 5,529.86 02/27/91 92.47 90.91 5,529.91 05/21/91 92.42 90.86 5,529.77 08/27/91 92.56 91.00 5,529.79 12/03/91 92.54 90.98 5,530.13 03/17/92 92.20 90.64 5,529.85 06/11/92 92.48 90.92 5,529.90 09/13/92 92.43 90.87 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,620.77 5,622.33 1.56 123.6 Water Levels and Data over Time White Mesa Mill - Well MW4 5,529.92 12/09/92 92.41 90.85 5,530.25 03/24/93 92.08 90.52 5,530.20 06/08/93 92.13 90.57 5,530.19 09/22/93 92.14 90.58 5,529.75 12/14/93 92.58 91.02 5,530.98 03/24/94 91.35 89.79 5,531.35 06/15/94 90.98 89.42 5,531.62 08/18/94 90.71 89.15 5,532.58 12/13/94 89.75 88.19 5,533.42 03/16/95 88.91 87.35 5,534.70 06/27/95 87.63 86.07 5,535.44 09/20/95 86.89 85.33 5,537.16 12/11/95 85.17 83.61 5,538.37 03/28/96 83.96 82.40 5,539.10 06/07/96 83.23 81.67 5,539.13 09/16/96 83.20 81.64 5,542.29 03/20/97 80.04 78.48 5,551.58 04/07/99 70.75 69.19 5,552.08 05/11/99 70.25 68.69 5,552.83 07/06/99 69.50 67.94 5,553.47 09/28/99 68.86 67.30 5 554 63 01/03/00 67 70 66 145,554.63 01/03/00 67.70 66.14 5,555.13 04/04/00 67.20 65.64 5,555.73 05/02/00 66.60 65.04 5,556.03 05/11/00 66.30 64.74 5,555.73 05/15/00 66.60 65.04 5,555.98 05/25/00 66.35 64.79 5,556.05 06/09/00 66.28 64.72 5,556.18 06/16/00 66.15 64.59 5,556.05 06/26/00 66.28 64.72 5,556.15 07/06/00 66.18 64.62 5,556.18 07/13/00 66.15 64.59 5,556.17 07/18/00 66.16 64.60 5,556.26 07/25/00 66.07 64.51 5,556.35 08/02/00 65.98 64.42 5,556.38 08/09/00 65.95 64.39 5,556.39 08/15/00 65.94 64.38 5,556.57 08/31/00 65.76 64.20 5,556.68 09/08/00 65.65 64.09 5,556.73 09/13/00 65.60 64.04 5,556.82 09/20/00 65.51 63.95 5,556.84 09/29/00 65.49 63.93 5,556.81 10/05/00 65.52 63.96 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,620.77 5,622.33 1.56 123.6 Water Levels and Data over Time White Mesa Mill - Well MW4 5,556.89 10/12/00 65.44 63.88 5,556.98 10/19/00 65.35 63.79 5,557.01 10/23/00 65.32 63.76 5,557.14 11/09/00 65.19 63.63 5,557.17 11/14/00 65.16 63.60 5,556.95 11/21/00 65.38 63.82 5,557.08 11/30/00 65.25 63.69 5,557.55 12/07/00 64.78 63.22 5,557.66 01/14/01 64.67 63.11 5,557.78 02/09/01 64.55 62.99 5,558.28 03/29/01 64.05 62.49 5,558.23 04/30/01 64.10 62.54 5,558.31 05/31/01 64.02 62.46 5,558.49 06/22/01 63.84 62.28 5,558.66 07/10/01 63.67 62.11 5,559.01 08/20/01 63.32 61.76 5,559.24 09/19/01 63.09 61.53 5,559.26 10/02/01 63.07 61.51 5,559.27 11/08/01 63.06 61.50 5,559.77 12/03/01 62.56 61.00 5,559.78 01/03/02 62.55 60.99 5 559 96 02/06/02 62 37 60 815,559.96 02/06/02 62.37 60.81 5,560.16 03/26/02 62.17 60.61 5,560.28 04/09/02 62.05 60.49 5,560.76 05/23/02 61.57 60.01 5,560.58 06/05/02 61.75 60.19 5,560.43 07/08/02 61.90 60.34 5,560.44 08/23/02 61.89 60.33 5,560.71 09/11/02 61.62 60.06 5,560.89 10/23/02 61.44 59.88 5,557.86 11/22/02 64.47 62.91 5,561.10 12/03/02 61.23 59.67 5,561.39 01/09/03 60.94 59.38 5,561.41 02/12/03 60.92 59.36 5,561.93 03/26/03 60.40 58.84 5,561.85 04/02/03 60.48 58.92 5,536.62 05/01/03 85.71 84.15 5,528.56 06/09/03 93.77 92.21 5,535.28 07/07/03 87.05 85.49 5,534.44 08/04/03 87.89 86.33 5,537.10 09/11/03 85.23 83.67 5,539.96 10/02/03 82.37 80.81 5,535.91 11/07/03 86.42 84.86 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,620.77 5,622.33 1.56 123.6 Water Levels and Data over Time White Mesa Mill - Well MW4 5,550.70 12/03/03 71.63 70.07 5,557.58 01/15/04 64.75 63.19 5,558.80 02/10/04 63.53 61.97 5,560.08 03/28/04 62.25 60.69 5,560.55 04/12/04 61.78 60.22 5,561.06 05/13/04 61.27 59.71 5,561.48 06/18/04 60.85 59.29 5,561.86 07/28/04 60.47 58.91 5,529.17 08/30/04 93.16 91.60 5,536.55 09/16/04 85.78 84.22 5,529.00 10/11/04 93.33 91.77 5,541.55 11/16/04 80.78 79.22 5,541.12 12/22/04 81.21 79.65 5,540.59 01/18/05 81.74 80.18 5,542.85 02/28/05 79.48 77.92 5,537.91 03/15/05 84.42 82.86 5,548.67 04/26/05 73.66 72.10 5,549.53 05/24/05 72.80 71.24 5,544.36 06/30/05 77.97 76.41 5,545.16 07/29/05 77.17 75.61 5,544.67 09/12/05 77.66 76.10 5 541 28 09/27/05 81 05 79 495,541.28 09/27/05 81.0579.49 5,536.96 12/07/05 85.37 83.81 5,546.49 03/08/06 75.84 74.28 5,546.15 06/13/06 76.18 74.62 5,545.15 07/18/06 77.18 75.62 5,545.91 11/17/06 76.42 74.86 5,545.90 02/27/07 76.43 74.87 5,548.16 05/02/07 74.17 72.61 5,547.20 08/13/07 75.13 73.57 5,547.20 10/10/07 75.13 73.57 5,547.79 03/26/08 74.54 72.98 5,545.09 06/25/08 77.24 75.68 5,550.36 08/26/08 71.97 70.41 5,550.39 10/14/08 71.94 70.38 5,542.25 03/03/09 80.08 78.52 5,542.25 06/24/09 80.08 78.52 5,550.19 09/10/09 72.14 70.58 5,550.94 12/11/09 71.39 69.83 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well z 5,620.77 5,622.33 1.02 111.04 5,540.98 11/08/99 81.35 80.33 5,541.13 11/09/99 81.20 80.18 5,541.23 01/02/00 81.10 80.08 5,541.23 01/10/00 81.10 80.08 5,540.98 01/17/00 81.35 80.33 5,541.03 01/24/00 81.30 80.28 5,541.03 02/01/00 81.30 80.28 5,540.93 02/07/00 81.40 80.38 5,541.23 02/14/00 81.10 80.08 5,541.23 02/23/00 81.10 80.08 5,541.33 03/01/00 81.00 79.98 5,541.43 03/08/00 80.90 79.88 5,541.73 03/15/00 80.60 79.58 5,541.43 03/20/00 80.90 79.88 5,541.43 03/29/00 80.90 79.88 5,541.18 04/04/00 81.15 80.13 5,540.93 04/13/00 81.40 80.38 5,541.23 04/21/00 81.10 80.08 5,541.43 04/28/00 80.90 79.88 5,541.33 05/01/00 81.00 79.98 5,541.63 05/11/00 80.70 79.68 5 541 33 05/15/00 81 00 79 98 Water Levels and Data over Time White Mesa Mill - Well TW4-1 5,541.33 05/15/00 81.00 79.98 5,541.63 05/25/00 80.70 79.68 5,541.63 06/09/00 80.70 79.68 5,541.65 06/16/00 80.68 79.66 5,541.63 06/26/00 80.70 79.68 5,541.85 07/06/00 80.48 79.46 5,541.79 07/13/00 80.54 79.52 5,541.91 07/18/00 80.42 79.40 5,542.17 07/27/00 80.16 79.14 5,542.31 08/02/00 80.02 79.00 5,542.43 08/09/00 79.90 78.88 5,542.41 08/15/00 79.92 78.90 5,542.08 08/31/00 80.25 79.23 5,542.93 09/01/00 79.40 78.38 5,542.87 09/08/00 79.46 78.44 5,543.09 09/13/00 79.24 78.22 5,543.25 09/20/00 79.08 78.06 5,543.44 10/05/00 78.89 77.87 5,544.08 11/09/00 78.25 77.23 5,544.49 12/06/00 77.84 76.82 5,546.14 01/14/01 76.19 75.17 5,547.44 02/02/01 74.89 73.87 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well z 5,620.77 5,622.33 1.02 111.04 Water Levels and Data over Time White Mesa Mill - Well TW4-1 5,548.71 03/29/01 73.62 72.60 5,549.20 04/30/01 73.13 72.11 5,549.64 05/31/01 72.69 71.67 5,549.94 06/22/01 72.39 71.37 5,550.25 07/10/01 72.08 71.06 5,550.93 08/10/01 71.40 70.38 5,551.34 09/19/01 70.99 69.97 5,551.59 10/02/01 70.74 69.72 5,549.64 05/31/01 72.69 71.67 5,549.94 06/21/01 72.39 71.37 5,550.25 07/10/01 72.08 71.06 5,550.93 08/20/01 71.40 70.38 5,551.34 09/19/01 70.99 69.97 5,551.59 10/02/01 70.74 69.72 5,551.87 11/08/01 70.46 69.44 5,552.40 12/03/01 69.93 68.91 5,552.62 01/03/02 69.71 68.69 5,553.12 02/06/02 69.21 68.19 5,553.75 03/26/02 68.58 67.56 5,553.97 04/09/02 68.36 67.34 5,554.56 05/23/02 67.77 66.75 5 554 54 06/05/02 67 79 66 775,554.54 06/05/02 67.79 66.77 5,554.83 07/08/02 67.50 66.48 5,555.29 08/23/02 67.04 66.02 5,555.54 09/11/02 66.79 65.77 5,555.94 10/23/02 66.39 65.37 5,556.02 11/22/02 66.31 65.29 5,556.23 12/03/02 66.10 65.08 5,556.49 01/09/03 65.84 64.82 5,556.67 02/12/03 65.66 64.64 5,557.15 03/26/03 65.18 64.16 5,557.23 04/02/03 65.10 64.08 5,556.07 05/01/03 66.26 65.24 5,554.28 06/09/03 68.05 67.03 5,553.84 07/07/03 68.49 67.47 5,553.39 08/04/03 68.94 67.92 5,553.06 09/11/03 69.27 68.25 5,553.33 10/02/03 69.00 67.98 5,553.25 11/07/03 69.08 68.06 5,553.82 12/03/03 68.51 67.49 5,555.61 01/15/04 66.72 65.70 5,556.32 02/10/04 66.01 64.99 5,557.38 03/28/04 64.95 63.93 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well z 5,620.77 5,622.33 1.02 111.04 Water Levels and Data over Time White Mesa Mill - Well TW4-1 5,557.79 04/12/04 64.54 63.52 5,558.35 05/13/04 63.98 62.96 5,560.03 06/18/04 62.30 61.28 5,560.36 07/28/04 61.97 60.95 5,557.96 08/30/04 64.37 63.35 5,557.24 09/16/04 65.09 64.07 5,556.28 10/11/04 66.05 65.03 5,556.17 11/16/04 66.16 65.14 5,556.21 12/22/04 66.12 65.10 5,555.82 01/18/05 66.51 65.49 5,555.96 02/28/05 66.37 65.35 5,556.01 03/15/05 66.32 65.30 5,556.05 04/26/05 66.28 65.26 5,556.00 05/24/05 66.33 65.31 5,555.97 06/30/05 66.36 65.34 5,555.90 07/29/05 66.43 65.41 5,556.22 09/12/05 66.11 65.09 5,556.25 12/07/05 66.08 65.06 5,556.71 03/08/06 65.62 64.60 5,556.98 06/14/06 65.35 64.33 5,560.95 07/18/06 61.38 60.36 5 557 07 11/07/06 65 26 64 245,557.07 11/07/06 65.26 64.24 5,558.10 02/27/07 64.23 63.21 5,557.82 05/02/07 64.51 63.49 5,557.82 08/14/07 64.51 63.49 5,557.63 10/10/07 64.70 63.68 5,559.48 03/26/08 62.85 61.83 5,560.35 06/24/08 61.98 60.96 5,560.58 08/26/08 61.75 60.73 5,560.62 10/14/08 61.71 60.69 5,560.65 03/10/09 61.68 60.66 5,560.66 06/24/09 61.67 60.65 5,560.36 09/10/09 61.97 60.95 5,560.53 12/11/09 61.8 60.78 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,623.10 5,625.00 1.90 121.125 5,548.85 11/08/99 76.15 74.25 5,548.85 11/09/99 76.15 74.25 5,548.60 01/02/00 76.40 74.50 5,548.80 01/10/00 76.20 74.30 5,548.60 01/17/00 76.40 74.50 5,549.00 01/24/00 76.00 74.10 5,548.90 02/01/00 76.10 74.20 5,548.90 02/07/00 76.10 74.20 5,549.30 02/14/00 75.70 73.80 5,549.40 02/23/00 75.60 73.70 5,549.50 03/01/00 75.50 73.60 5,549.60 03/08/00 75.40 73.50 5,549.50 03/15/00 75.50 73.60 5,550.20 03/20/00 74.80 72.90 5,550.00 03/29/00 75.00 73.10 5,549.70 04/04/00 75.30 73.40 5,549.80 04/13/00 75.20 73.30 5,550.00 04/21/00 75.00 73.10 5,550.10 04/28/00 74.90 73.00 5,550.10 05/01/00 74.90 73.00 5,550.40 05/11/00 74.60 72.70 5 550 10 05/15/00 74 90 73 00 Water Levels and Data over Time White Mesa Mill - Well TW4-2 5,550.10 05/15/00 74.90 73.00 5,550.40 05/25/00 74.60 72.70 5,550.40 06/09/00 74.60 72.70 5,550.50 06/16/00 74.50 72.60 5,550.35 06/26/00 74.65 72.75 5,550.45 07/06/00 74.55 72.65 5,550.45 07/13/00 74.55 72.65 5,550.46 07/18/00 74.54 72.64 5,550.61 07/27/00 74.39 72.49 5,550.66 08/02/00 74.34 72.44 5,550.68 08/09/00 74.32 72.42 5,550.70 08/15/00 74.30 72.40 5,550.82 08/31/00 74.18 72.28 5,551.15 09/08/00 73.85 71.95 5,551.25 09/13/00 73.75 71.85 5,551.32 09/20/00 73.68 71.78 5,546.11 10/05/00 78.89 76.99 5,546.75 11/09/00 78.25 76.35 5,547.16 12/06/00 77.84 75.94 5,552.46 01/26/01 72.54 70.64 5,552.48 02/02/01 72.52 70.62 5,551.38 03/29/01 73.62 71.72 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,623.10 5,625.00 1.90 121.125 Water Levels and Data over Time White Mesa Mill - Well TW4-2 5,551.87 04/30/01 73.13 71.23 5,552.31 05/31/01 72.69 70.79 5,552.61 06/21/01 72.39 70.49 5,552.92 07/10/01 72.08 70.18 5,553.60 08/20/01 71.40 69.50 5,554.01 09/19/01 70.99 69.09 5,554.26 10/02/01 70.74 68.84 5,554.42 11/08/01 70.58 68.68 5,555.07 12/03/01 69.93 68.03 5,555.02 01/03/02 69.98 68.08 5,555.19 02/06/02 69.81 67.91 5,555.43 03/26/02 69.57 67.67 5,555.67 04/09/02 69.33 67.43 5,556.01 05/23/02 68.99 67.09 5,556.07 06/05/02 68.93 67.03 5,556.19 07/08/02 68.81 66.91 5,556.32 08/23/02 68.68 66.78 5,556.53 09/11/02 68.47 66.57 5,557.00 10/23/02 68.00 66.10 5,556.70 11/22/02 68.30 66.40 5,557.29 12/03/02 67.71 65.81 5 557 48 01/09/03 67 52 65 625,557.48 01/09/03 67.52 65.62 5,557.63 02/12/03 67.37 65.47 5,558.11 03/26/03 66.89 64.99 5,558.15 04/02/03 66.85 64.95 5,553.99 05/01/03 71.01 69.11 5,549.26 06/09/03 75.74 73.84 5,548.42 07/07/03 76.58 74.68 5,548.03 08/04/03 76.97 75.07 5,547.50 09/11/03 77.50 75.60 5,547.96 10/02/03 77.04 75.14 5,547.80 11/07/03 77.20 75.30 5,548.57 12/03/03 76.43 74.53 5,554.28 01/15/04 70.72 68.82 5,555.74 02/10/04 69.26 67.36 5,557.18 03/28/04 67.82 65.92 5,557.77 04/12/04 67.23 65.33 5,558.35 05/13/04 66.65 64.75 5,558.47 06/18/04 66.53 64.63 5,559.28 07/28/04 65.72 63.82 5,554.54 08/30/04 70.46 68.56 5,552.25 09/16/04 72.75 70.85 5,549.93 10/11/04 75.07 73.17 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,623.10 5,625.00 1.90 121.125 Water Levels and Data over Time White Mesa Mill - Well TW4-2 5,550.17 11/16/04 74.83 72.93 5,550.65 12/22/04 74.35 72.45 5,550.23 01/18/05 74.77 72.87 5,550.37 02/28/05 74.63 72.73 5,550.41 03/15/05 74.59 72.69 5,550.46 04/26/05 74.54 72.64 5,550.60 05/24/05 74.40 72.50 5,550.49 06/30/05 74.51 72.61 5,550.39 07/29/05 74.61 72.71 5,550.61 09/12/05 74.39 72.49 5,550.57 12/07/05 74.43 72.53 5,551.58 03/08/06 73.42 71.52 5,551.70 *06/14/06 73.3 71.40 5,550.80 07/18/06 74.20 72.30 5550.80 11/07/06 74.20 72.30 5553.17 02/27/07 71.83 69.93 5,552.34 05/02/07 72.66 70.76 5,552.30 08/14/07 72.7 70.80 5,552.48 10/10/07 72.52 70.62 5,554.86 03/26/08 70.14 68.24 5,555.51 06/24/08 69.49 67.59 5 555 57 08/26/08 69 43 67 535,555.57 08/26/08 69.43 67.53 5,555.71 10/14/08 69.29 67.39 5,556.01 03/10/09 68.99 67.09 5,556.53 06/24/09 68.47 66.57 5,556.22 09/10/09 68.78 66.88 5,556.81 12/11/09 68.19 66.29 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,631.21 5,632.23 1.02 141 5,565.78 11/29/99 66.45 65.43 5,566.93 01/02/00 65.30 64.28 5,567.03 01/10/00 65.20 64.18 5,566.83 01/17/00 65.40 64.38 5,567.13 01/24/00 65.10 64.08 5,567.33 02/01/00 64.90 63.88 5,567.13 02/07/00 65.10 64.08 5,567.43 02/14/00 64.80 63.78 5,567.63 02/23/00 64.60 63.58 5,567.73 03/01/00 64.50 63.48 5,567.83 03/08/00 64.40 63.38 5,567.70 03/15/00 64.53 63.51 5,568.03 03/20/00 64.20 63.18 5,567.93 03/29/00 64.30 63.28 5,567.63 04/04/00 64.60 63.58 5,567.83 04/13/00 64.40 63.38 5,568.03 04/21/00 64.20 63.18 5,568.23 04/28/00 64.00 62.98 5,568.13 05/01/00 64.10 63.08 5,568.53 05/11/00 63.70 62.68 5,568.23 05/15/00 64.00 62.98 5 568 53 05/25/00 63 70 62 68 Water Levels and Data over Time White Mesa Mill - Well TW4-3 5,568.53 05/25/00 63.70 62.68 5,568.61 06/09/00 63.62 62.60 5,568.69 06/16/00 63.54 62.52 5,568.45 06/26/00 63.78 62.76 5,568.61 07/06/00 63.62 62.60 5,568.61 07/06/00 63.62 62.60 5,568.49 07/13/00 63.74 62.72 5,568.55 07/18/00 63.68 62.66 5,568.65 07/27/00 63.58 62.56 5,568.73 08/02/00 63.50 62.48 5,568.77 08/09/00 63.46 62.44 5,568.76 08/16/00 63.47 62.45 5,568.95 08/31/00 63.28 62.26 5,568.49 09/08/00 63.74 62.72 5,568.67 09/13/00 63.56 62.54 5,568.96 09/20/00 63.27 62.25 5,568.93 10/05/00 63.3 62.28 5,569.34 11/09/00 62.89 61.87 5,568.79 12/06/00 63.44 62.42 5,569.11 01/03/01 63.12 62.10 5,569.75 02/09/01 62.48 61.46 5,570.34 03/28/01 61.89 60.87 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,631.21 5,632.23 1.02 141 Water Levels and Data over Time White Mesa Mill - Well TW4-3 5,570.61 04/30/01 61.62 60.60 5,570.70 05/31/01 61.53 60.51 5,570.88 06/21/01 61.35 60.33 5,571.02 07/10/01 61.21 60.19 5,571.70 08/20/01 60.53 59.51 5,572.12 09/19/01 60.11 59.09 5,572.08 10/02/01 60.15 59.13 5,570.70 05/31/01 61.53 60.51 5,570.88 06/21/01 61.35 60.33 5,571.02 07/10/01 61.21 60.19 5,571.70 08/20/01 60.53 59.51 5,572.12 09/19/01 60.11 59.09 5,572.08 10/02/01 60.15 59.13 5,572.78 11/08/01 59.45 58.43 5,573.27 12/03/01 58.96 57.94 5,573.47 01/03/02 58.76 57.74 5,573.93 02/06/02 58.30 57.28 5,574.75 03/26/02 57.48 56.46 5,574.26 04/09/02 57.97 56.95 5,575.39 05/23/02 56.84 55.82 5,574.84 06/05/02 57.39 56.37 5 575 33 07/08/02 56 90 55 885,575.33 07/08/02 56.90 55.88 5,575.79 08/23/02 56.44 55.42 5,576.08 09/11/02 56.15 55.13 5,576.30 10/23/02 55.93 54.91 5,576.35 11/22/02 55.88 54.86 5,576.54 12/03/02 55.69 54.67 5,576.96 01/09/03 55.27 54.25 5,577.11 02/12/03 55.12 54.10 5,577.61 03/26/03 54.62 53.60 5,572.80 04/02/03 59.43 58.41 5,577.89 05/01/03 54.34 53.32 5,577.91 06/09/03 54.32 53.30 5,577.53 07/07/03 54.70 53.68 5,577.50 08/04/03 54.73 53.71 5,577.71 09/11/03 54.52 53.50 5,577.31 10/02/03 54.92 53.90 5,577.33 11/07/03 54.90 53.88 5,577.34 12/03/03 54.89 53.87 5,578.24 01/15/04 53.99 52.97 5,578.38 02/10/04 53.85 52.83 5,578.69 03/28/04 53.54 52.52 5,579.15 04/12/04 53.08 52.06 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,631.21 5,632.23 1.02 141 Water Levels and Data over Time White Mesa Mill - Well TW4-3 5,579.47 05/13/04 52.76 51.74 5,579.53 06/18/04 52.70 51.68 5,580.17 07/28/04 52.06 51.04 5,580.20 08/30/04 52.03 51.01 5,580.26 09/16/04 51.97 50.95 5,580.12 10/11/04 52.11 51.09 5,579.93 11/16/04 52.30 51.28 5,580.07 12/22/04 52.16 51.14 5,579.80 01/18/05 52.43 51.41 5,580.35 02/28/05 51.88 50.86 5,580.57 03/15/05 51.66 50.64 5,580.86 04/26/05 51.37 50.35 5,581.20 05/24/05 51.03 50.01 5,581.51 06/30/05 50.72 49.70 5,581.55 07/29/05 50.68 49.66 5,581.68 09/12/05 50.55 49.53 5,581.83 12/07/05 50.4 49.38 5,564.92 03/08/06 67.31 66.29 5,582.73 06/13/06 49.50 48.48 5,582.33 07/18/06 49.90 48.88 5,582.75 11/07/06 49.48 48.46 5583 35 02/27/07 48 88 47 865583.35 02/27/07 48.88 47.86 5,559.57 05/02/07 72.66 71.64 5,583.29 08/14/07 48.94 47.92 5,583.49 10/10/07 48.74 47.72 5,584.95 03/26/08 47.28 46.26 5,584.59 06/24/08 47.64 46.62 5,584.55 08/26/08 47.68 46.66 5,584.03 10/14/08 48.2 47.18 5,583.64 03/03/09 48.59 47.57 5,587.34 06/24/09 44.89 43.87 5,582.90 09/10/09 49.33 48.31 5,583.27 12/11/09 48.96 47.94 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,612.301 5,613.485 1.184 114.5 5,512.145 05/25/00 101.34 100.16 5,518.985 06/09/00 94.50 93.32 5,512.145 06/16/00 101.34 100.16 5,517.465 06/26/00 96.02 94.84 5,520.145 07/06/00 93.34 92.16 5,521.435 07/13/00 92.05 90.87 5,522.005 07/18/00 91.48 90.30 5,522.945 07/27/00 90.54 89.36 5,523.485 08/02/00 90.00 88.82 5,523.845 08/09/00 89.64 88.46 5,523.885 08/15/00 89.60 88.42 5,524.555 09/01/00 88.93 87.75 5,513.235 09/08/00 100.25 99.07 5,516.665 09/13/00 96.82 95.64 5,519.085 09/20/00 94.40 93.22 5,522.165 10/05/00 91.32 90.14 5,524.665 11/09/00 88.82 87.64 5,518.545 12/06/00 94.94 93.76 5,527.695 01/03/01 85.79 84.61 5,529.085 02/09/01 84.40 83.22 5,529.535 03/27/01 83.95 82.77 5 530 235 04/30/01 83 25 82 07 Water Levels and Data over Time White Mesa Mill - Well TW4-4 5,530.235 04/30/01 83.25 82.07 5,530.265 05/31/01 83.22 82.04 5,534.405 06/22/01 79.08 77.90 5,533.145 07/10/01 80.34 79.16 5,534.035 08/20/01 79.45 78.27 5,534.465 09/19/01 79.02 77.84 5,533.285 10/02/01 80.20 79.02 5,530.265 05/31/01 83.22 82.04 5,534.405 06/21/01 79.08 77.90 5,533.145 07/10/01 80.34 79.16 5,534.035 08/20/01 79.45 78.27 5,534.465 09/19/01 79.02 77.84 5,533.285 10/02/01 80.20 79.02 5,533.865 11/08/01 79.62 78.44 5,534.275 12/03/01 79.21 78.03 5,534.715 01/03/02 78.77 77.59 5,535.435 02/06/02 78.05 76.87 5,536.445 03/26/02 77.04 75.86 5,536.405 04/09/02 77.08 75.90 5,537.335 05/23/02 76.15 74.97 5,537.325 06/05/02 76.16 74.98 5,537.975 07/08/02 75.51 74.33 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,612.301 5,613.485 1.184 114.5 Water Levels and Data over Time White Mesa Mill - Well TW4-4 5,538.825 08/23/02 74.66 73.48 5,539.275 09/11/02 74.21 73.03 5,539.765 10/23/02 73.72 72.54 5,540.205 11/22/02 73.28 72.10 5,540.295 12/03/02 73.19 72.01 5,540.795 01/09/03 72.69 71.51 5,540.985 02/12/03 72.50 71.32 5,541.675 03/26/03 71.81 70.63 5,541.765 04/02/03 71.72 70.54 5,541.885 05/01/03 71.60 70.42 5,542.025 06/09/03 71.46 70.28 5,541.925 07/07/03 71.56 70.38 5,541.885 08/04/03 71.60 70.42 5,541.825 09/11/03 71.66 70.48 5,541.885 10/02/03 71.60 70.42 5,541.995 11/07/03 71.49 70.31 5,542.005 12/03/03 71.48 70.30 5,542.555 01/15/04 70.93 69.75 5,542.705 02/10/04 70.78 69.60 5,543.225 03/28/04 70.26 69.08 5,543.555 04/12/04 69.93 68.75 5 543 865 05/13/04 69 62 68 445,543.865 05/13/04 69.62 68.44 5,543.915 06/18/04 69.57 68.39 5,544.655 07/28/04 68.83 67.65 5,544.795 08/30/04 68.69 67.51 5,544.845 09/16/04 68.64 67.46 5,544.705 10/11/04 68.78 67.60 5,544.525 11/16/04 68.96 67.78 5,544.625 12/22/04 68.86 67.68 5,544.305 01/18/05 69.18 68.00 5,544.585 02/28/05 68.90 67.72 5,544.685 03/15/05 68.80 67.62 5,544.675 04/26/05 68.81 67.63 5,544.785 05/24/05 68.70 67.52 5,544.795 06/30/05 68.69 67.51 5,544.775 07/29/05 68.71 67.53 5,545.005 09/12/05 68.48 67.30 5,545.225 12/07/05 68.26 67.08 5,545.735 03/08/06 67.75 66.57 5,545.785 06/14/06 67.70 66.52 5,545.855 07/18/06 67.63 66.45 5,545.805 11/07/06 67.68 66.50 5546.675 02/27/07 66.81 65.63 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,612.301 5,613.485 1.184 114.5 Water Levels and Data over Time White Mesa Mill - Well TW4-4 5,546.535 05/02/07 66.95 65.77 5,547.155 08/15/07 66.33 65.15 5,547.215 10/10/07 66.27 65.09 5,548.305 03/26/08 65.18 64.00 5,548.865 06/24/08 64.62 63.44 5,549.235 08/26/08 64.25 63.07 5,549.305 10/14/08 64.18 63.00 5,549.725 03/03/09 63.76 62.58 5,549.905 06/24/09 63.58 62.40 5,549.695 09/10/09 63.79 62.61 5,549.865 12/11/09 63.62 62.44 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,638.75 5,640.70 1.95 121.75 5,579.30 01/02/00 61.40 59.45 5,579.60 01/10/00 61.10 59.15 5,579.35 01/17/00 61.35 59.40 5,579.60 01/24/00 61.10 59.15 5,579.50 02/01/00 61.20 59.25 5,579.50 02/07/00 61.20 59.25 5,579.90 02/14/00 60.80 58.85 5,579.90 02/23/00 60.80 58.85 5,580.20 03/01/00 60.50 58.55 5,580.00 03/08/00 60.70 58.75 5,580.04 03/15/00 60.66 58.71 5,580.70 03/20/00 60.00 58.05 5,580.30 03/29/00 60.40 58.45 5,580.00 04/04/00 60.70 58.75 5,580.20 04/13/00 60.50 58.55 5,580.40 04/21/00 60.30 58.35 5,580.50 04/28/00 60.20 58.25 5,580.50 05/01/00 60.20 58.25 5,580.90 05/11/00 59.80 57.85 5,580.50 05/15/00 60.20 58.25 5,580.75 05/25/00 59.95 58.00 5 580 80 06/09/00 59 90 57 95 Water Levels and Data over Time White Mesa Mill - Well TW4-5 5,580.80 06/09/00 59.90 57.95 5,580.92 06/16/00 59.78 57.83 5,580.80 06/26/00 59.90 57.95 5,580.90 07/06/00 59.80 57.85 5,581.05 07/13/00 59.65 57.70 5,580.90 07/18/00 59.80 57.85 5,581.05 07/27/00 59.65 57.70 5,581.06 08/02/00 59.64 57.69 5,581.08 08/09/00 59.62 57.67 5,581.07 08/16/00 59.63 57.68 5,581.25 08/31/00 59.45 57.50 5,581.32 09/08/00 59.38 57.43 5,581.34 09/13/00 59.36 57.41 5,581.41 09/20/00 59.29 57.34 5,581.37 10/05/00 59.33 57.38 5,581.66 11/09/00 59.04 57.09 5,581.63 12/06/00 59.07 57.12 5,581.92 01/03/01 58.78 56.83 5,582.20 02/09/01 58.50 56.55 5,582.54 03/28/01 58.16 56.21 5,582.72 04/30/01 57.98 56.03 5,582.72 05/31/01 57.98 56.03 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,638.75 5,640.70 1.95 121.75 Water Levels and Data over Time White Mesa Mill - Well TW4-5 5,582.81 06/22/01 57.89 55.94 5,582.92 07/10/01 57.78 55.83 5,583.17 08/20/01 57.53 55.58 5,583.28 09/19/01 57.42 55.47 5,583.36 10/02/01 57.34 55.39 5,582.72 05/31/01 57.98 56.03 5,582.81 06/21/01 57.89 55.94 5,582.92 07/10/01 57.78 55.83 5,583.17 08/20/01 57.53 55.58 5,583.28 09/19/01 57.42 55.47 5,583.36 10/02/01 57.34 55.39 5,583.49 11/08/01 57.21 55.26 5,583.84 12/03/01 56.86 54.91 5,583.79 01/03/02 56.91 54.96 5,583.96 02/06/02 56.74 54.79 5,584.39 03/26/02 56.31 54.36 5,584.12 04/09/02 56.58 54.63 5,584.55 05/23/02 56.15 54.20 5,584.42 06/05/02 56.28 54.33 5,583.65 07/08/02 57.05 55.10 5,584.90 08/23/02 55.80 53.85 5 585 02 09/11/02 55 68 53 735,585.02 09/11/02 55.68 53.73 5,585.20 10/23/02 55.50 53.55 5,585.15 11/22/02 55.55 53.60 5,585.42 12/03/02 55.28 53.33 5,585.65 01/09/03 55.05 53.10 5,585.65 02/12/03 55.05 53.10 5,585.92 03/26/03 54.78 52.83 5,586.22 04/02/03 54.48 52.53 5,586.01 05/01/03 54.69 52.74 5,584.81 06/09/03 55.89 53.94 5,584.34 07/07/03 56.36 54.41 5,584.40 08/04/03 56.30 54.35 5,583.88 09/11/03 56.82 54.87 5,583.57 10/02/03 57.13 55.18 5,583.39 11/07/03 57.31 55.36 5,583.97 12/03/03 56.73 54.78 5,585.28 01/15/04 55.42 53.47 5,585.50 02/10/04 55.20 53.25 5,585.87 03/28/04 54.83 52.88 5,586.20 04/12/04 54.50 52.55 5,586.45 05/13/04 54.25 52.30 5,586.50 06/18/04 54.20 52.25 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,638.75 5,640.70 1.95 121.75 Water Levels and Data over Time White Mesa Mill - Well TW4-5 5,587.13 07/28/04 53.57 51.62 5,586.22 08/30/04 54.48 52.53 5,585.69 09/16/04 55.01 53.06 5,585.17 10/11/04 55.53 53.58 5,584.64 11/16/04 56.06 54.11 5,584.77 12/22/04 55.93 53.98 5,584.65 01/18/05 56.05 54.10 5,584.98 02/28/05 55.72 53.77 5,585.15 03/15/05 55.55 53.60 5,586.25 04/26/05 54.45 52.50 5,586.79 05/24/05 53.91 51.96 5,586.52 06/30/05 54.18 52.23 5,586.03 07/29/05 54.67 52.72 5,586.05 09/12/05 54.65 52.70 5,585.80 12/07/05 54.90 52.95 5,587.06 03/08/06 53.64 51.69 5,585.90 06/13/06 54.80 52.85 5,585.32 07/18/06 55.38 53.43 5,585.35 11/07/06 55.35 53.40 5585.81 02/27/07 54.89 52.94 5,585.20 05/02/07 55.50 53.55 5 586 66 08/14/07 54 04 52 095,586.66 08/14/0754.04 52.09 5,586.80 10/10/07 53.90 51.95 5,588.48 03/26/08 52.22 50.27 5,586.51 06/24/08 54.19 52.24 5,586.45 08/26/08 54.25 52.30 5,585.40 10/14/08 55.3 53.35 5,584.80 03/03/09 55.9 53.95 5,584.73 06/24/09 55.97 54.02 5,584.36 09/10/09 56.34 54.39 5,585.02 12/11/09 55.68 53.73 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well (blw.LSD) 5,607.33 5,608.78 1.450 98.55 5,522.28 05/25/00 86.50 85.05 5,521.51 06/09/00 87.27 85.82 5,522.35 06/16/00 86.43 84.98 5,522.14 06/26/00 86.64 85.19 5,522.25 07/06/00 86.53 85.08 5,522.13 07/13/00 86.65 85.20 5,522.17 07/18/00 86.61 85.16 5,522.26 07/25/00 86.52 85.07 5,522.31 08/02/00 86.47 85.02 5,522.33 08/09/00 86.45 85.00 5,522.35 08/15/00 86.43 84.98 5,522.40 08/31/00 86.38 84.93 5,522.40 09/08/00 86.38 84.93 5,522.45 09/13/00 86.33 84.88 5,522.53 09/20/00 86.25 84.80 5,522.39 10/05/00 86.39 84.94 5,522.42 11/09/00 86.36 84.91 5,522.29 12/06/00 86.49 85.04 5,522.63 01/03/01 86.15 84.70 5,522.72 02/09/01 86.06 84.61 5,522.90 03/26/01 85.88 84.43 5 522 70 04/30/01 86 08 84 63 Water Levels and Data over Time White Mesa Mill - Well TW4-6 5,522.70 04/30/01 86.08 84.63 5,522.89 05/31/01 85.89 84.44 5,522.88 06/20/01 85.90 84.45 5,522.96 07/10/01 85.82 84.37 5,523.10 08/20/01 85.68 84.23 5,523.23 09/19/01 85.55 84.10 5,523.21 10/02/01 85.57 84.12 5,522.89 05/31/01 85.89 84.44 5,522.88 06/21/01 85.90 84.45 5,522.96 07/10/01 85.82 84.37 5,523.10 08/20/01 85.68 84.23 5,523.23 09/19/01 85.55 84.10 5,523.21 10/02/01 85.57 84.12 5,523.25 11/08/01 85.53 84.08 5,523.46 12/03/01 85.32 83.87 5,523.36 01/03/02 85.42 83.97 5,523.50 02/06/02 85.28 83.83 5,523.94 03/26/02 84.84 83.39 5,523.75 04/09/02 85.03 83.58 5,524.23 05/23/02 84.55 83.10 5,523.98 06/05/02 84.80 83.35 5,524.31 07/08/02 84.47 83.02 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well (blw.LSD) 5,607.33 5,608.78 1.450 98.55 Water Levels and Data over Time White Mesa Mill - Well TW4-6 5,524.36 08/23/02 84.42 82.97 5,524.49 09/11/02 84.29 82.84 5,524.71 10/23/02 84.07 82.62 5,524.60 11/22/02 84.18 82.73 5,524.94 12/03/02 83.84 82.39 5,525.10 01/09/03 83.68 82.23 5,525.15 02/12/03 83.63 82.18 5,525.35 03/26/03 83.43 81.98 5,525.68 04/02/03 83.10 81.65 5,525.74 05/01/03 83.04 81.59 5,525.98 06/09/03 82.80 81.35 5,526.04 07/07/03 82.74 81.29 5,526.07 08/04/03 82.71 81.26 5,526.42 09/11/03 82.36 80.91 5,526.30 10/02/03 82.48 81.03 5,526.41 11/07/03 82.37 80.92 5,526.46 12/03/03 82.32 80.87 5,526.83 01/15/04 81.95 80.50 5,526.81 02/10/04 81.97 80.52 5,527.14 03/28/04 81.64 80.19 5,527.39 04/12/04 81.39 79.94 5 527 64 05/13/04 81 14 79 695,527.64 05/13/04 81.14 79.69 5,527.70 06/18/04 81.08 79.63 5,528.16 07/28/04 80.62 79.17 5,528.30 08/30/04 80.48 79.03 5,528.52 09/16/04 80.26 78.81 5,528.71 10/11/04 80.07 78.62 5,528.74 11/16/04 80.04 78.59 5,529.20 12/22/04 79.58 78.13 5,528.92 01/18/05 79.86 78.41 5,529.51 02/28/05 79.27 77.82 5,529.74 03/15/05 79.04 77.59 5,529.96 04/26/05 78.82 77.37 5,530.15 05/24/05 78.63 77.18 5,530.35 06/30/05 78.43 76.98 5,530.47 07/29/05 78.31 76.86 5,530.95 09/12/05 77.83 76.38 5,531.50 12/07/05 77.28 75.83 5,532.43 03/08/06 76.35 74.90 5,533.49 06/13/06 75.29 73.84 5,532.58 07/18/06 76.20 74.75 5,532.88 11/07/06 75.90 74.45 5534.09 02/27/07 74.69 73.24 Water Elevation (z) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well (blw.LSD) 5,607.33 5,608.78 1.450 98.55 Water Levels and Data over Time White Mesa Mill - Well TW4-6 5,534.04 05/02/07 74.74 73.29 5,534.43 08/14/07 74.35 72.90 5,554.54 10/10/07 54.24 52.79 5,535.40 03/26/08 73.38 71.93 5,535.55 06/24/08 73.23 71.78 5,535.90 08/26/08 72.88 71.43 5,535.87 10/14/08 72.91 71.46 5,536.42 03/10/09 72.36 70.91 5,536.71 06/24/09 72.07 70.62 5,536.83 09/10/09 71.95 70.50 5,537.35 12/11/09 71.43 69.98 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well (blw.LSD) 5,619.87 5,621.07 1.20 119.8 5,552.37 11/29/99 68.70 67.50 5,553.57 01/02/00 67.50 66.30 5,553.87 01/10/00 67.20 66.00 5,553.72 01/17/00 67.35 66.15 5,553.97 01/24/00 67.10 65.90 5,553.87 02/01/00 67.20 66.00 5,553.87 02/07/00 67.20 66.00 5,554.17 02/14/00 66.90 65.70 5,554.27 02/23/00 66.80 65.60 5,554.37 03/01/00 66.70 65.50 5,554.37 03/08/00 66.70 65.50 5,554.27 03/15/00 66.80 65.60 5,554.77 03/20/00 66.30 65.10 5,554.57 03/29/00 66.50 65.30 5,554.27 04/04/00 66.80 65.60 5,554.57 04/13/00 66.50 65.30 5,554.77 04/21/00 66.30 65.10 5,554.87 04/28/00 66.20 65.00 5,554.87 05/01/00 66.20 65.00 5,555.27 05/11/00 65.80 64.60 5,554.97 05/15/00 66.10 64.90 5 555 27 05/25/00 65 80 64 60 Water Levels and Data over Time White Mesa Mill - Well TW4-7 5,555.27 05/25/00 65.80 64.60 5,555.33 06/09/00 65.74 64.54 5,555.45 06/16/00 65.62 64.42 5,555.22 06/26/00 65.85 64.65 5,555.45 07/06/00 65.62 64.42 5,555.40 07/13/00 65.67 64.47 5,555.45 07/18/00 65.62 64.42 5,555.59 07/27/00 65.48 64.28 5,555.65 08/02/00 65.42 64.22 5,555.70 08/09/00 65.37 64.17 5,555.74 08/16/00 65.33 64.13 5,555.96 08/31/00 65.11 63.91 5,555.87 09/08/00 65.20 64.00 5,555.95 09/13/00 65.12 63.92 5,556.05 09/20/00 65.02 63.82 5,556.06 10/05/00 65.01 63.81 5,556.17 10/12/00 64.90 63.70 5,556.20 10/19/00 64.87 63.67 5,556.22 10/23/00 64.85 63.65 5,556.36 11/09/00 64.71 63.51 5,556.42 11/14/00 64.65 63.45 5,556.45 11/30/00 64.62 63.42 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well (blw.LSD) 5,619.87 5,621.07 1.20 119.8 Water Levels and Data over Time White Mesa Mill - Well TW4-7 5,556.15 12/06/00 64.92 63.72 5,556.89 01/14/01 64.18 62.98 5,557.07 02/09/01 64.00 62.80 5,557.62 03/29/01 63.45 62.25 5,557.51 04/30/01 63.56 62.36 5,557.77 05/31/01 63.30 62.10 5,557.84 06/21/01 63.23 62.03 5,557.98 07/10/01 63.09 61.89 5,558.33 08/20/01 62.74 61.54 5,558.57 09/19/01 62.50 61.30 5,558.53 10/02/01 62.54 61.34 5,558.62 11/08/01 62.45 61.25 5,559.03 12/03/01 62.04 60.84 5,559.08 01/03/02 61.99 60.79 5,559.32 02/06/02 61.75 60.55 5,559.63 03/26/02 61.44 60.24 5,559.55 04/09/02 61.52 60.32 5,560.06 05/23/02 61.01 59.81 5,559.91 06/05/02 61.16 59.96 5,560.09 07/08/02 60.98 59.78 5,560.01 08/23/02 61.06 59.86 5 560 23 09/11/02 60 84 59 645,560.23 09/11/02 60.84 59.64 5,560.43 10/23/02 60.64 59.44 5,560.39 11/22/02 60.68 59.48 5,560.61 12/03/02 60.46 59.26 5,560.89 01/09/03 60.18 58.98 5,560.94 02/12/03 60.13 58.93 5,561.28 03/26/03 59.79 58.59 5,561.35 04/02/03 59.72 58.52 5,546.20 05/01/03 74.87 73.67 5,539.47 06/09/03 81.60 80.40 5,541.87 07/07/03 79.20 78.00 5,542.12 08/04/03 78.95 77.75 5,541.91 09/11/03 79.16 77.96 5,544.62 10/02/03 76.45 75.25 5,542.67 11/07/03 78.40 77.20 5,549.96 12/03/03 71.11 69.91 5,557.17 01/15/04 63.90 62.70 5,558.65 02/10/04 62.42 61.22 5,559.90 03/28/04 61.17 59.97 5,560.36 04/12/04 60.71 59.51 5,560.87 05/13/04 60.20 59.00 5,560.95 06/18/04 60.12 58.92 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well (blw.LSD) 5,619.87 5,621.07 1.20 119.8 Water Levels and Data over Time White Mesa Mill - Well TW4-7 5,561.64 07/28/04 59.43 58.23 5,543.00 08/30/04 78.07 76.87 5,541.91 09/16/04 79.16 77.96 5,540.08 10/11/04 80.99 79.79 5,546.92 11/16/04 74.15 72.95 5,546.97 12/22/04 74.10 72.90 5,546.51 01/18/05 74.56 73.36 5,546.66 02/28/05 74.41 73.21 5,546.81 03/15/05 74.26 73.06 5,548.19 04/26/05 72.88 71.68 5,547.11 05/24/05 73.96 72.76 5,546.98 06/30/05 74.09 72.89 5,546.92 07/29/05 74.15 72.95 5,547.26 09/12/05 73.81 72.61 5,547.26 12/07/05 73.81 72.61 5,548.86 03/08/06 72.21 71.01 5,548.62 06/13/06 72.45 71.25 5,550.04 07/18/06 71.03 69.83 5,548.32 11/07/06 72.75 71.55 5,550.44 02/27/07 70.63 69.43 5,549.69 05/02/07 71.38 70.18 5 549 97 08/14/07 71 10 69 905,549.97 08/14/07 71.10 69.90 5,550.30 10/10/07 70.77 69.57 5,551.92 03/26/08 69.15 67.95 5,552.94 06/24/08 68.13 66.93 5,552.34 08/26/08 68.73 67.53 5,552.61 10/14/08 68.46 67.26 5,552.81 03/10/09 68.26 67.06 5,553.11 06/24/09 67.96 66.76 5,552.55 09/10/09 68.52 67.32 5,553.06 12/11/09 68.01 66.81 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,616.80 5,618.21 1.41 126.00 5,543.21 11/29/1999 75.00 73.59 5,543.01 01/02/2000 75.20 73.79 5,543.31 01/10/2000 74.90 73.49 5,543.11 01/17/2000 75.10 73.69 5,543.41 01/24/2000 74.80 73.39 5,543.31 02/01/2000 74.90 73.49 5,543.31 02/07/2000 74.90 73.49 5,543.71 02/14/2000 74.50 73.09 5,543.76 02/23/2000 74.45 73.04 5,543.86 03/01/2000 74.35 72.94 5,543.86 03/08/2000 74.35 72.94 5,543.91 03/15/2000 74.30 72.89 5,544.31 03/20/2000 73.90 72.49 5,544.21 03/29/2000 74.00 72.59 5,544.01 04/04/2000 74.20 72.79 5,544.21 04/13/2000 74.00 72.59 5,544.41 04/21/2000 73.80 72.39 5,544.51 04/28/2000 73.70 72.29 5,544.51 05/01/2000 73.70 72.29 5,544.81 05/11/2000 73.40 71.99 5,544.51 05/15/2000 73.70 72.29 5 544 71 05/25/2000 73 50 72 09 Water Levels and Data over Time White Mesa Mill - Well TW4-8 5,544.71 05/25/2000 73.50 72.09 5,544.71 06/09/2000 73.50 72.09 5,544.81 06/16/2000 73.40 71.99 5,544.68 06/26/2000 73.53 72.12 5,544.76 07/06/2000 73.45 72.04 5,544.77 07/13/2000 73.44 72.03 5,544.76 07/18/2000 73.45 72.04 5,544.92 07/27/2000 73.29 71.88 5,544.96 08/02/2000 73.25 71.84 5,544.98 08/09/2000 73.23 71.82 5,544.97 08/15/2000 73.24 71.83 5,545.21 08/31/2000 73.00 71.59 5,545.31 09/08/2000 72.90 71.49 5,545.43 09/13/2000 72.78 71.37 5,545.56 09/20/2000 72.65 71.24 5,545.57 10/05/2000 72.64 71.23 5,545.81 11/09/2000 72.40 70.99 5,545.66 12/06/2000 72.55 71.14 5,546.28 01/03/2001 71.93 70.52 5,546.70 02/09/2001 71.51 70.10 5,547.18 03/27/2001 71.03 69.62 5,547.31 04/30/2001 70.90 69.49 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,616.80 5,618.21 1.41 126.00 Water Levels and Data over Time White Mesa Mill - Well TW4-8 5,547.49 05/31/2001 70.72 69.31 5,547.49 06/20/2001 70.72 69.31 5,547.83 07/10/2001 70.38 68.97 5,548.13 08/20/2001 70.08 68.67 5,548.30 09/19/2001 69.91 68.50 5,548.45 10/02/2001 69.76 68.35 5,547.49 05/31/2001 70.72 69.31 5,547.54 06/21/2001 70.67 69.26 5,547.83 07/10/2001 70.38 68.97 5,548.13 08/20/2001 70.08 68.67 5,548.30 09/19/2001 69.91 68.50 5,548.45 10/02/2001 69.76 68.35 5,548.62 11/08/2001 69.59 68.18 5,549.03 12/03/2001 69.18 67.77 5,548.97 01/03/2002 69.24 67.83 5,549.19 02/06/2002 69.02 67.61 5,549.66 03/26/2002 68.55 67.14 5,549.64 04/09/2002 68.57 67.16 5,550.01 05/23/2002 68.20 66.79 5,549.97 06/05/2002 68.24 66.83 5,550.13 07/08/2002 68.08 66.67 5 550 30 08/23/2002 67 91 66 505,550.30 08/23/2002 67.91 66.50 5,550.50 09/11/2002 67.71 66.30 5,550.90 10/23/2002 67.31 65.90 5,550.83 11/22/2002 67.38 65.97 5,551.04 12/03/2002 67.17 65.76 5,551.24 01/09/2003 66.97 65.56 5,551.23 02/12/2003 66.98 65.57 5,551.52 03/26/2003 66.69 65.28 5,551.64 04/02/2003 66.57 65.16 5,549.02 05/01/2003 69.19 67.78 5,544.74 06/09/2003 73.47 72.06 5,543.78 07/07/2003 74.43 73.02 5,543.39 08/04/2003 74.82 73.41 5,543.05 09/11/2003 75.16 73.75 5,543.19 10/02/2003 75.02 73.61 5,543.21 11/07/2003 75.00 73.59 5,543.40 12/03/2003 74.81 73.40 5,548.10 01/15/2004 70.11 68.70 5,549.50 02/10/2004 68.71 67.30 5,550.87 03/28/2004 67.34 65.93 5,551.33 04/12/2004 66.88 65.47 5,551.87 05/13/2004 66.34 64.93 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,616.80 5,618.21 1.41 126.00 Water Levels and Data over Time White Mesa Mill - Well TW4-8 5,551.92 06/18/2004 66.29 64.88 5,552.69 07/28/2004 65.52 64.11 5,549.78 08/30/2004 68.43 67.02 5,547.46 09/16/2004 70.75 69.34 5,545.21 10/11/2004 73.00 71.59 5,545.09 11/16/2004 73.12 71.71 5,545.61 12/22/2004 72.60 71.19 5,545.24 01/18/2005 72.97 71.56 5,545.42 02/28/2005 72.79 71.38 5,545.45 03/15/2005 72.76 71.35 5,545.46 04/26/2005 72.75 71.34 5,545.66 05/24/2005 72.55 71.14 5,545.54 06/30/2005 72.67 71.26 5,545.43 07/29/2005 72.78 71.37 5,545.61 09/12/2005 72.60 71.19 5,545.52 12/07/2005 72.69 71.28 5,546.53 03/08/2006 71.68 70.27 5,546.51 06/13/2006 71.70 70.29 5,546.51 07/18/2006 71.70 70.29 5,546.46 11/07/2006 71.75 70.34 5,547.92 02/27/2007 70.29 68.88 5 547 01 05/02/2007 71 20 69 795,547.01 05/02/200771.20 69.79 5,547.40 08/14/2007 70.81 69.40 5,547.57 10/10/2007 70.64 69.23 5,548.76 03/26/2008 69.45 68.04 5,549.17 06/24/2008 69.04 67.63 5,549.31 08/26/2008 68.9 67.49 5,549.37 10/14/2008 68.84 67.43 5,549.72 03/03/2009 68.49 67.08 5,550.08 06/24/2009 68.13 66.72 5,549.93 09/10/2009 68.28 66.87 5,550.44 12/11/2009 67.77 66.36 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,636.11 5,637.59 1.48 121.33 5,577.09 12/20/1999 60.5 59.02 5,577.09 01/02/2000 60.5 59.02 5,577.29 01/10/2000 60.3 58.82 5,577.09 01/17/2000 60.5 59.02 5,577.39 01/24/2000 60.2 58.72 5,577.29 02/01/2000 60.3 58.82 5,577.19 02/07/2000 60.4 58.92 5,577.69 02/14/2000 59.9 58.42 5,577.69 02/23/2000 59.9 58.42 5,577.79 03/01/2000 59.8 58.32 5,577.79 03/08/2000 59.8 58.32 5,577.89 03/15/2000 59.7 58.22 5,568.49 03/20/2000 69.1 67.62 5,578.14 03/29/2000 59.45 57.97 5,577.84 04/04/2000 59.75 58.27 5,578.04 04/13/2000 59.55 58.07 5,578.24 04/21/2000 59.35 57.87 5,578.39 04/28/2000 59.2 57.72 5,578.39 05/01/2000 59.2 57.72 5,578.79 05/11/2000 58.8 57.32 5,578.39 05/15/2000 59.2 57.72 5 578 79 05/25/2000 58 8 57 32 Water Levels and Data over Time White Mesa Mill - Well TW4-9 5,578.79 05/25/2000 58.8 57.32 5,578.81 06/09/2000 58.78 57.30 5,578.89 06/16/2000 58.7 57.22 5,578.74 06/26/2000 58.85 57.37 5,578.86 07/06/2000 58.73 57.25 5,578.87 07/13/2000 58.72 57.24 5,578.84 07/18/2000 58.75 57.27 5,579.03 07/27/2000 58.56 57.08 5,579.03 08/02/2000 58.56 57.08 5,579.05 08/09/2000 58.54 57.06 5,579.04 08/15/2000 58.55 57.07 5,579.25 08/31/2000 58.34 56.86 5,579.35 09/08/2000 58.24 56.76 5,579.40 09/13/2000 58.19 56.71 5,579.46 09/20/2000 58.13 56.65 5,579.44 10/05/2000 58.15 56.67 5,579.79 11/09/2000 57.8 56.32 5,579.73 12/06/2000 57.86 56.38 5,580.01 01/03/2001 57.58 56.10 5,580.30 02/09/2001 57.29 55.81 5,580.66 03/27/2001 56.93 55.45 5,580.75 04/30/2001 56.84 55.36 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,636.11 5,637.59 1.48 121.33 Water Levels and Data over Time White Mesa Mill - Well TW4-9 5,581.04 05/31/2001 56.55 55.07 5,581.12 06/21/2001 56.47 54.99 5,581.15 07/10/2001 56.44 54.96 5,581.51 08/20/2001 56.08 54.60 5,581.70 09/19/2001 55.89 54.41 5,581.61 10/02/2001 55.98 54.50 5,581.04 05/31/2001 56.55 55.07 5,581.12 06/21/2001 56.47 54.99 5,581.15 07/10/2001 56.44 54.96 5,581.51 08/20/2001 56.08 54.60 5,581.70 09/19/2001 55.89 54.41 5,581.61 10/02/2001 55.98 54.50 5,581.83 11/08/2001 55.76 54.28 5,582.17 12/03/2001 55.42 53.94 5,582.21 01/03/2002 55.38 53.90 5,582.57 02/06/2002 55.02 53.54 5,583.12 03/26/2002 54.47 52.99 5,582.77 04/09/2002 54.82 53.34 5,583.21 05/23/2002 54.38 52.90 5,582.94 06/05/2002 54.65 53.17 5,582.71 07/08/2002 54.88 53.40 5 583 67 08/23/2002 53 92 52 445,583.67 08/23/2002 53.92 52.44 5,583.82 09/11/2002 53.77 52.29 5,584.01 10/23/2002 53.58 52.10 5,583.88 11/22/2002 53.71 52.23 5,583.81 12/03/2002 53.78 52.30 5,584.28 01/09/2003 53.31 51.83 5,584.41 02/12/2003 53.18 51.70 5,584.68 03/26/2003 52.91 51.43 5,584.49 04/02/2003 53.10 51.62 5,584.51 05/01/2003 53.08 51.60 5,583.59 06/09/2003 54.00 52.52 5,582.96 07/07/2003 54.63 53.15 5,582.98 08/04/2003 54.61 53.13 5,582.57 09/11/2003 55.02 53.54 5,582.25 10/02/2003 55.34 53.86 5,582.09 11/07/2003 55.50 54.02 5,582.48 12/03/2003 55.11 53.63 5,583.69 01/15/2004 53.90 52.42 5,583.89 02/10/2004 53.70 52.22 5,584.30 03/28/2004 53.29 51.81 5,584.59 04/12/2004 53.00 51.52 5,584.87 05/13/2004 52.72 51.24 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,636.11 5,637.59 1.48 121.33 Water Levels and Data over Time White Mesa Mill - Well TW4-9 5,584.96 06/18/2004 52.63 51.15 5,585.50 07/28/2004 52.09 50.61 5,584.81 08/30/2004 52.78 51.30 5,584.40 09/16/2004 53.19 51.71 5,583.91 10/11/2004 53.68 52.20 5,583.39 11/16/2004 54.20 52.72 5,583.54 12/22/2004 54.05 52.57 5,583.34 01/18/2005 54.25 52.77 5,583.66 02/28/2005 53.93 52.45 5,583.87 03/15/2005 53.72 52.24 5,584.74 04/26/2005 52.85 51.37 5,585.26 05/24/2005 52.33 50.85 5,585.06 06/30/2005 52.53 51.05 5,584.67 07/29/2005 52.92 51.44 5,584.75 09/12/2005 52.84 51.36 5,584.51 12/07/2005 53.08 51.60 5,585.74 03/08/2006 51.85 50.37 5,584.74 06/13/2006 52.85 51.37 5,584.26 07/18/2006 53.33 51.85 5,584.21 11/07/2006 53.38 51.90 5,584.67 02/27/2007 52.92 51.44 5 584 06 05/02/2007 53 53 52 055,584.06 05/02/200753.53 52.05 5,585.33 08/14/2007 52.26 50.78 5,585.42 10/10/2007 52.17 50.69 5,587.01 03/26/2008 50.58 49.10 5,585.44 06/24/2008 52.15 50.67 5,585.23 08/26/2008 52.36 50.88 5,584.42 10/14/2008 53.17 51.69 5,583.59 03/03/2009 54 52.52 5,583.35 06/24/2009 54.24 52.76 5,582.91 09/10/2009 54.68 53.20 5,583.43 12/11/2009 54.16 52.68 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,631.99 5,634.24 2.25 121.33 5,576.75 01/03/2002 57.49 55.24 5,576.92 02/06/2002 57.32 55.07 5,577.43 03/26/2002 56.81 54.56 5,577.22 04/09/2002 57.02 54.77 5,577.80 05/23/2002 56.44 54.19 5,577.47 06/05/2002 56.77 54.52 5,577.55 07/08/2002 56.69 54.44 5,578.10 08/23/2002 56.14 53.89 5,578.24 09/11/2002 56.00 53.75 5,578.49 10/23/2002 55.75 53.50 5,578.43 11/22/2002 55.81 53.56 5,578.43 12/03/2002 55.81 53.56 5,578.66 01/09/2003 55.58 53.33 5,578.66 02/12/2003 55.58 53.33 5,578.78 03/26/2003 55.46 53.21 5,578.90 04/02/2003 55.34 53.09 5,578.83 05/01/2003 55.41 53.16 5,578.05 06/09/2003 56.19 53.94 5,577.38 07/07/2003 56.86 54.61 5,577.15 08/04/2003 57.09 54.84 5,576.76 09/11/2003 57.48 55.23 5 576 36 10/02/2003 57 88 55 63 Water Levels and Data over Time White Mesa Mill - Well TW4-10 5,576.36 10/02/2003 57.88 55.63 5,576.05 11/07/2003 58.19 55.94 5,576.20 12/03/2003 58.04 55.79 5,577.43 01/15/2004 56.81 54.56 5,577.81 02/10/2004 56.43 54.18 5,578.47 03/28/2004 55.77 53.52 5,578.69 04/12/2004 55.55 53.30 5,578.93 05/13/2004 55.31 53.06 5,578.99 06/18/2004 55.25 53.00 5,579.18 07/28/2004 55.06 52.81 5,579.06 08/30/2004 55.18 52.93 5,578.78 09/16/2004 55.46 53.21 5,577.80 10/11/2004 56.44 54.19 5,577.13 11/16/2004 57.11 54.86 5,576.96 12/22/2004 57.28 55.03 5,576.63 01/18/2005 57.61 55.36 5,576.82 02/28/2005 57.42 55.17 5,576.86 03/15/2005 57.38 55.13 5,577.52 04/26/2005 56.72 54.47 5,578.01 05/24/2005 56.23 53.98 5,578.15 06/30/2005 56.09 53.84 5,577.90 07/29/2005 56.34 54.09 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,631.99 5,634.24 2.25 121.33 Water Levels and Data over Time White Mesa Mill - Well TW4-10 5,578.02 09/12/2005 56.22 53.97 5,577.56 12/07/2005 56.68 54.43 5,579.69 03/08/2006 54.55 52.30 5,578.34 06/13/2006 55.90 53.65 5,577.94 07/18/2006 56.30 54.05 5,578.01 11/07/2006 56.23 53.98 5578.43 02/27/2007 55.81 53.56 5,577.84 05/02/2007 56.40 54.15 5,578.74 08/14/2007 55.50 53.25 5,579.04 10/10/2007 55.20 52.95 5,580.69 03/26/2008 53.55 51.30 5,579.87 06/24/2008 54.37 52.12 5,579.47 08/26/2008 54.77 52.52 5,578.87 10/14/2008 55.37 53.12 5,578.01 03/10/2009 56.23 53.98 5,577.85 06/24/2009 56.39 54.14 5,577.49 09/10/2009 56.75 54.50 5,577.98 12/11/2009 56.26 54.01 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,621.92 5,623.62 1.70 121.33 5,548.32 1/3/2002 75.30 73.60 5,548.73 2/6/2002 74.89 73.19 5,549.03 3/26/2002 74.59 72.89 5,548.84 4/9/2002 74.78 73.08 5,549.30 5/23/2002 74.32 72.62 5,549.01 6/5/2002 74.61 72.91 5,549.22 7/8/2002 74.40 72.70 5,549.44 8/23/2002 74.18 72.48 5,549.57 9/11/2002 74.05 72.35 5,549.64 10/23/2002 73.98 72.28 5,549.58 11/22/2002 74.04 72.34 5,549.62 12/3/2002 74.00 72.30 5,549.85 1/9/2003 73.77 72.07 5,549.91 2/12/2003 73.71 72.01 5,550.15 3/26/2003 73.47 71.77 5,550.01 4/2/2003 73.61 71.91 5,550.31 5/1/2003 73.31 71.61 5,550.44 6/9/2003 73.18 71.48 5,550.33 7/7/2003 73.29 71.59 5,550.35 8/4/2003 73.27 71.57 5,550.44 9/11/2003 73.18 71.48 5 550 47 10/2/2003 73 15 71 45 Water Levels and Data over Time White Mesa Mill - Well TW4-11 5,550.47 10/2/2003 73.15 71.45 5,550.60 11/7/2003 73.02 71.32 5,550.60 12/3/2003 73.02 71.32 5,550.94 1/15/2004 72.68 70.98 5,551.00 2/10/2004 72.62 70.92 5,550.34 3/28/2004 73.28 71.58 5,551.54 4/12/2004 72.08 70.38 5,551.89 5/13/2004 71.73 70.03 5,551.94 6/18/2004 71.68 69.98 5,552.49 7/28/2004 71.13 69.43 5,552.74 8/30/2004 70.88 69.18 5,553.01 9/16/2004 70.61 68.91 5,553.11 10/11/2004 70.51 68.81 5,553.19 11/16/2004 70.43 68.73 5,553.53 12/22/2004 70.09 68.39 5,553.31 1/18/2005 70.31 68.61 5,553.84 2/28/2005 69.78 68.08 5,554.04 3/15/2005 69.58 67.88 5,554.23 4/26/2005 69.39 67.69 5,553.87 5/24/2005 69.75 68.05 5,554.46 6/30/2005 69.16 67.46 5,554.57 7/29/2005 69.05 67.35 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,621.92 5,623.62 1.70 121.33 Water Levels and Data over Time White Mesa Mill - Well TW4-11 5,553.86 9/12/2005 69.76 68.06 5,555.30 12/7/2005 68.32 66.62 5,556.20 3/8/2006 67.42 65.72 5,556.48 6/14/2006 67.14 65.44 5,556.37 7/18/2006 67.25 65.55 5,556.94 11/7/2006 66.68 64.98 5557.92 2/27/2007 65.7 64 5,557.84 5/2/2007 65.78 64.08 5,558.02 8/15/2007 65.60 63.90 5,557.13 10/10/2007 66.49 64.79 5,569.74 3/26/2008 53.88 52.18 5,561.01 6/24/2008 62.61 60.91 5,562.07 8/26/2008 61.55 59.85 5,562.47 10/14/2008 61.15 59.45 5,563.80 3/10/2009 59.82 58.12 5,564.27 6/24/2009 59.35 57.65 5,564.32 9/10/2009 59.3 57.60 5,564.70 12/11/2009 58.92 57.22 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,622.38 5,624.03 1.65 121.33 5,580.71 8/23/2002 43.32 41.67 5,581.34 9/11/2002 42.69 41.04 5,581.13 10/23/2002 42.90 41.25 5,581.27 11/22/2002 42.76 41.11 5,581.35 12/3/2002 42.68 41.03 5,582.38 1/9/2003 41.65 40.00 5,582.27 2/12/2003 41.76 40.11 5,582.51 3/26/2003 41.52 39.87 5,581.91 4/2/2003 42.12 40.47 5,582.72 5/1/2003 41.31 39.66 5,582.93 6/9/2003 41.10 39.45 5,583.01 7/7/2003 41.02 39.37 5,583.11 8/4/2003 40.92 39.27 5,583.35 9/11/2003 40.68 39.03 5,583.52 10/2/2003 40.51 38.86 5,583.57 11/7/2003 40.46 38.81 5,583.81 12/3/2003 40.22 38.57 5,584.17 1/15/2004 39.86 38.21 5,584.19 2/10/2004 39.84 38.19 5,584.31 3/28/2004 39.72 38.07 5,584.70 4/12/2004 39.33 37.68 Water Levels and Data over Time White Mesa Mill - Well TW4-12 ,.7 //9.7. 5,584.68 5/13/2004 39.35 37.70 5,584.73 6/18/2004 39.30 37.65 5,585.16 7/28/2004 38.87 37.22 5,585.18 8/30/2004 38.85 37.20 5,585.29 9/16/2004 38.74 37.09 5,585.65 10/11/2004 38.38 36.73 5,585.71 11/16/2004 38.32 36.67 5,586.15 12/22/2004 37.88 36.23 5,585.94 1/18/2005 38.09 36.44 5,586.36 2/28/2005 37.67 36.02 5,586.75 3/15/2005 37.28 35.63 5,587.00 4/26/2005 37.03 35.38 5,587.15 5/24/2005 36.88 35.23 5,587.38 6/30/2005 36.65 35.00 5,587.38 7/29/2005 36.65 35.00 5,587.74 9/12/2005 36.29 34.64 5,588.23 12/7/2005 35.80 34.15 5,588.72 3/8/2006 35.31 33.66 5,588.14 6/13/2006 35.89 34.24 5,588.13 7/18/2006 35.90 34.25 5,584.50 11/7/2006 39.53 37.88 5588.65 2/27/2007 35.38 33.73 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,622.38 5,624.03 1.65 121.33 Water Levels and Data over Time White Mesa Mill - Well TW4-12 5,588.33 5/2/2007 35.70 34.05 5,586.29 8/14/2007 37.74 36.09 5,586.48 10/10/2007 37.55 35.90 5,587.56 3/26/2008 36.47 34.82 5,587.39 6/24/2008 36.64 34.99 5,587.15 8/26/2008 36.88 35.23 5,586.64 10/14/2008 37.39 35.74 5,585.97 3/3/2009 38.06 36.41 5,585.54 6/24/2009 38.49 36.84 5,585.34 9/10/2009 38.69 37.04 5,585.57 12/11/2009 38.46 36.81 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,618.09 5,619.94 1.85 121.33 5,529.66 8/23/2002 90.28 88.43 5,530.66 9/11/2002 89.28 87.43 5,529.10 10/23/2002 90.84 88.99 5,530.58 11/22/2002 89.36 87.51 5,530.61 12/3/2002 89.33 87.48 5,529.74 1/9/2003 90.20 88.35 5,531.03 2/12/2003 88.91 87.06 5,531.82 3/26/2003 88.12 86.27 5,524.63 4/2/2003 95.31 93.46 5,531.54 5/1/2003 88.40 86.55 5,538.46 6/9/2003 81.48 79.63 5,539.38 7/7/2003 80.56 78.71 5,540.72 8/4/2003 79.22 77.37 5,541.25 9/11/2003 78.69 76.84 5,541.34 10/2/2003 78.60 76.75 5,541.69 11/7/2003 78.25 76.40 5,541.91 12/3/2003 78.03 76.18 5,542.44 1/15/2004 77.50 75.65 5,542.47 2/10/2004 77.47 75.62 5,542.84 3/28/2004 77.10 75.25 5,543.08 4/12/2004 76.86 75.01 5 543 34 5/13/2004 76 60 74 75 Water Levels and Data over Time White Mesa Mill - Well TW4-13 5,543.34 5/13/2004 76.60 74.75 5,543.40 6/18/2004 76.54 74.69 5,544.06 7/28/2004 75.88 74.03 5,544.61 8/30/2004 75.33 73.48 5,545.23 9/16/2004 74.71 72.86 5,546.20 10/11/2004 73.74 71.89 5,547.43 11/16/2004 72.51 70.66 5,548.96 12/22/2004 70.98 69.13 5,549.02 1/18/2005 70.92 69.07 5,550.66 2/28/2005 69.28 67.43 5,551.26 3/15/2005 68.68 66.83 5,552.23 4/26/2005 67.71 65.86 5,552.87 5/24/2005 67.07 65.22 5,553.42 6/30/2005 66.52 64.67 5,554.00 7/29/2005 65.94 64.09 5,555.21 9/12/2005 64.73 62.88 5,558.13 12/7/2005 61.81 59.96 5,562.93 3/8/2006 57.01 55.16 5,564.39 6/13/2006 55.55 53.70 5,562.09 7/18/2006 57.85 56.00 5,565.49 11/7/2006 54.45 52.60 5571.08 2/27/2007 48.86 47.01 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,618.09 5,619.94 1.85 121.33 Water Levels and Data over Time White Mesa Mill - Well TW4-13 5,570.63 5/2/2007 49.31 47.46 5,565.24 8/14/2007 54.7 52.85 5,565.83 10/10/2007 54.11 52.26 5,569.29 3/26/2008 50.65 48.80 5,570.00 6/24/2008 49.94 48.09 5,570.41 8/26/2008 49.53 47.68 5,570.64 10/14/2008 49.3 47.45 5,570.43 3/3/2009 49.51 47.66 5,570.56 6/24/2009 49.38 47.53 5,570.42 9/10/2009 49.52 47.67 5,571.15 12/11/2009 48.79 46.94 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,610.92 5,612.77 1.85 121.33 5,518.90 8/23/2002 93.87 92.02 5,519.28 9/11/2002 93.49 91.64 5,519.95 10/23/2002 92.82 90.97 5,520.32 11/22/2002 92.45 90.60 5,520.42 12/3/2002 92.35 90.50 5,520.70 1/9/2003 92.07 90.22 5,520.89 2/12/2003 91.88 90.03 5,521.12 3/26/2003 91.65 89.80 5,521.12 4/2/2003 91.65 89.80 5,521.24 5/1/2003 91.53 89.68 5,521.34 6/9/2003 91.43 89.58 5,521.36 7/7/2003 91.41 89.56 5,521.35 8/4/2003 91.42 89.57 5,521.30 9/11/2003 91.47 89.62 5,521.35 10/2/2003 91.42 89.57 5,521.36 11/7/2003 91.41 89.56 5,521.16 12/3/2003 91.61 89.76 5,521.29 1/15/2004 91.48 89.63 5,521.36 2/10/2004 91.41 89.56 5,521.46 3/28/2004 91.31 89.46 5,521.54 4/12/2004 91.23 89.38 5 521 59 5/13/2004 91 18 89 33 Water Levels and Data over Time White Mesa Mill - Well TW4-14 5,521.59 5/13/2004 91.18 89.33 5,521.69 6/18/2004 91.08 89.23 5,521.71 7/28/2004 91.06 89.21 5,521.76 8/30/2004 91.01 89.16 5,521.77 9/16/2004 91.00 89.15 5,521.79 10/11/2004 90.98 89.13 5,521.80 11/16/2004 90.97 89.12 5,521.82 12/22/2004 90.95 89.10 5,521.82 1/18/2005 90.95 89.10 5,521.86 2/28/2005 90.91 89.06 5,521.85 3/15/2005 90.92 89.07 5,521.91 4/26/2005 90.86 89.01 5,521.93 5/24/2005 90.84 88.99 5,521.94 6/30/2005 90.83 88.98 5,521.84 7/29/2005 90.93 89.08 5,521.99 9/12/2005 90.78 88.93 5,522.04 12/7/2005 90.73 88.88 5,522.05 3/8/2006 90.72 88.87 5,522.27 6/13/2006 90.50 88.65 5,521.92 7/18/2006 90.85 89.00 5,520.17 11/7/2006 92.60 90.75 5522.24 2/27/2007 90.53 88.68 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,610.92 5,612.77 1.85 121.33 Water Levels and Data over Time White Mesa Mill - Well TW4-14 5,522.47 5/2/2007 90.30 88.45 5,520.74 8/14/2007 92.03 90.18 5,518.13 10/10/2007 94.64 92.79 5,522.85 3/26/2008 89.92 88.07 5,522.91 6/24/2008 89.86 88.01 5,523.01 8/26/2008 89.76 87.91 5,522.96 10/14/2008 89.81 87.96 5,523.20 3/3/2009 89.57 87.72 5,523.33 6/24/2009 89.44 87.59 5,523.47 9/10/2009 89.3 87.45 5,523.54 12/11/2009 89.23 87.38 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,624.15 5,625.45 1.30 121.33 5,574.75 8/23/2002 50.70 49.40 TRUE 5,574.97 9/11/2002 50.48 49.18 5,575.10 10/23/2002 50.35 49.05 5,574.99 11/22/2002 50.46 49.16 5,575.28 12/3/2002 50.17 48.87 5,575.41 1/9/2003 50.04 48.74 5,575.43 2/12/2003 50.02 48.72 5,575.63 3/26/2003 49.82 48.52 5,575.91 4/2/2003 49.54 48.24 5,575.81 5/1/2003 49.64 48.34 5,572.36 6/9/2003 53.09 51.79 5,570.70 7/7/2003 54.75 53.45 5,570.29 8/4/2003 55.16 53.86 5,560.94 9/11/2003 64.51 63.21 5,560.63 10/2/2003 64.82 63.52 5,560.56 11/7/2003 64.89 63.59 5,564.77 12/3/2003 60.68 59.38 5,570.89 1/15/2004 54.56 53.26 5,572.55 2/10/2004 52.90 51.60 5,574.25 3/28/2004 51.20 49.90 5,574.77 4/12/2004 50.68 49.38 5 575 53 5/13/2004 49 92 48 62 Water Levels and Data over Time White Mesa Mill - Well TW4-15 (MW-26) 5,575.53 5/13/2004 49.92 48.62 5,575.59 6/18/2004 49.86 48.56 5,576.82 7/28/2004 48.63 47.33 5,527.47 9/16/2004 97.98 96.68 5,553.97 11/16/2004 71.48 70.18 5,562.33 12/22/2004 63.12 61.82 5,550.00 1/18/2005 75.45 74.15 5,560.02 4/26/2005 65.43 64.13 5,546.11 5/24/2005 79.34 78.04 5,556.71 6/30/2005 68.74 67.44 5,554.95 7/29/2005 70.50 69.20 5,555.48 9/12/2005 69.97 68.67 5,551.09 12/7/2005 74.36 73.06 5,552.85 3/8/2006 72.60 71.30 5,554.30 6/13/2006 71.15 69.85 5,554.87 7/18/2006 70.58 69.28 5,550.88 11/7/2006 74.57 73.27 5558.77 2/27/2007 66.68 65.38 5,548.54 5/2/2007 76.91 75.61 5,551.33 10/10/2007 74.12 72.82 5,545.56 3/26/2008 79.89 78.59 5,545.56 6/25/2008 79.89 78.59 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,624.15 5,625.45 1.30 121.33 Water Levels and Data over Time White Mesa Mill - Well TW4-15 (MW-26) 5,545.82 8/26/2008 79.63 78.33 5,545.64 10/14/2008 79.81 78.51 5,544.45 3/3/2009 81.00 79.70 5,545.32 6/24/2009 80.13 78.83 5,544.61 9/10/2009 80.84 79.54 5,549.33 12/11/2009 76.12 74.82 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,622.19 5,624.02 1.83 121.33 5,562.91 8/23/2002 61.11 59.28 5,563.45 9/11/2002 60.57 58.74 5,563.75 10/23/2002 60.27 58.44 5,563.68 11/22/2002 60.34 58.51 5,563.68 12/3/2002 60.34 58.51 5,564.16 1/9/2003 59.86 58.03 5,564.25 2/12/2003 59.77 57.94 5,564.53 3/26/2003 59.49 57.66 5,564.46 4/2/2003 59.56 57.73 5,564.79 5/1/2003 59.23 57.40 5,564.31 6/9/2003 59.71 57.88 5,563.29 7/7/2003 60.73 58.90 5,562.76 8/4/2003 61.26 59.43 5,561.73 9/11/2003 62.29 60.46 5,561.04 10/2/2003 62.98 61.15 5,560.39 11/7/2003 63.63 61.80 5,559.79 12/3/2003 64.23 62.40 5,561.02 1/15/2004 63.00 61.17 5,561.75 2/10/2004 62.27 60.44 5,562.98 3/28/2004 61.04 59.21 5,563.29 4/12/2004 60.73 58.90 5 564 03 5/13/2004 59 99 58 16 Water Levels and Data over Time White Mesa Mill - Well TW4-16 5,564.03 5/13/2004 59.99 58.16 5,564.09 6/18/2004 59.93 58.10 5,565.08 7/28/2004 58.94 57.11 5,564.56 8/30/2004 59.46 57.63 5,563.55 9/16/2004 60.47 58.64 5,561.79 10/11/2004 62.23 60.40 5,560.38 11/16/2004 63.64 61.81 5,559.71 12/22/2004 64.31 62.48 5,559.14 1/18/2005 64.88 63.05 5,558.65 2/28/2005 65.37 63.54 5,558.54 3/15/2005 65.48 63.65 5,558.22 4/26/2005 65.80 63.97 5,558.54 5/24/2005 65.48 63.65 5,559.24 6/30/2005 64.78 62.95 5,559.38 7/29/2005 64.64 62.81 5,559.23 9/12/2005 64.79 62.96 5,557.67 12/7/2005 66.35 64.52 5,557.92 3/8/2006 66.10 64.27 5,558.47 6/13/2006 65.55 63.72 5,558.42 7/18/2006 65.60 63.77 5,558.09 11/7/2006 65.93 64.10 5557.34 2/27/2007 66.68 64.85 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,622.19 5,624.02 1.83 121.33 Water Levels and Data over Time White Mesa Mill - Well TW4-16 5,547.11 5/2/2007 76.91 75.08 5,558.52 8/14/2007 65.5 63.67 5,559.02 10/10/2007 65.00 63.17 5,561.04 3/26/2008 62.98 61.15 5,560.06 6/24/2008 63.96 62.13 5,559.32 8/26/2008 64.7 62.87 5,558.89 10/14/2008 65.13 63.30 5,558.40 3/3/2009 65.62 63.79 5,558.32 6/24/2009 65.7 63.87 5,558.03 9/10/2009 65.99 64.16 5,558.81 12/11/2009 65.21 63.38 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,623.41 5,625.24 1.83 121.33 5,542.17 8/23/2002 83.07 81.24 5,542.39 9/11/2002 82.85 81.02 5,542.61 10/23/2002 82.63 80.80 5,542.49 11/22/2002 82.75 80.92 5,542.82 12/3/2002 82.42 80.59 5,543.03 1/9/2003 82.21 80.38 5,543.04 2/12/2003 82.20 80.37 5,543.41 3/26/2003 81.83 80.00 5,543.69 4/2/2003 81.55 79.72 5,543.77 5/1/2003 81.47 79.64 5,544.01 6/9/2003 81.23 79.40 5,544.05 7/7/2003 81.19 79.36 5,543.99 8/4/2003 81.25 79.42 5,544.17 9/11/2003 81.07 79.24 5,544.06 10/2/2003 81.18 79.35 5,544.03 11/7/2003 81.21 79.38 5,543.94 12/3/2003 81.30 79.47 5,543.98 1/15/2004 81.26 79.43 5,543.85 2/10/2004 81.39 79.56 5,544.05 3/28/2004 81.19 79.36 5,544.33 4/12/2004 80.91 79.08 5 544 55 5/13/2004 80 69 78 86 Water Levels and Data over Time White Mesa Mill - Well TW4-17 (MW-32) 5,544.55 5/13/2004 80.69 78.86 5,544.59 6/18/2004 80.65 78.82 5,545.08 7/28/2004 80.16 78.33 5,545.26 8/30/2004 79.98 78.15 5,545.48 9/16/2004 79.76 77.93 5,545.61 10/11/2004 79.63 77.80 5,545.46 11/16/2004 79.78 77.95 5,545.66 12/22/2004 79.58 77.75 5,545.33 1/18/2005 79.91 78.08 5,545.51 2/28/2005 79.73 77.90 5,545.57 3/15/2005 79.67 77.84 5,545.46 4/26/2005 79.78 77.95 5,545.45 5/24/2005 79.79 77.96 5,545.33 6/30/2005 79.91 78.08 5,545.16 7/29/2005 80.08 78.25 5,545.54 9/12/2005 79.70 77.87 5,545.77 12/7/2005 79.47 77.64 5,546.09 3/8/2006 79.15 77.32 5,545.94 6/13/2006 79.30 77.47 5,545.94 7/18/2006 79.30 77.47 5,546.24 11/7/2006 79.00 77.17 5546.81 2/27/2007 78.43 76.6 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,623.41 5,625.24 1.83 121.33 Water Levels and Data over Time White Mesa Mill - Well TW4-17 (MW-32) 5546.56 5/2/2007 78.68 76.85 5546.81 8/15/2007 78.43 76.6 5546.96 10/10/2007 78.28 76.45 5547.9 3/26/2008 77.34 75.51 5548.08 6/25/2008 77.16 75.33 5548.42 8/26/2008 76.82 74.99 5548.05 10/14/2008 77.19 75.36 5548.29 3/3/2009 76.95 75.12 5548.09 6/24/2009 77.15 75.32 5547.79 9/10/2009 77.45 75.62 5548.09 12/11/2009 77.15 75.32 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,639.13 5,641.28 2.15 121.33 5,585.13 8/23/2002 56.15 54.00 5,585.41 9/11/2002 55.87 53.72 5,585.47 10/23/2002 55.81 53.66 5,585.40 11/22/2002 55.88 53.73 5,585.68 12/3/2002 55.60 53.45 5,585.90 1/9/2003 55.38 53.23 5,590.79 2/12/2003 50.49 48.34 5,586.18 3/26/2003 55.10 52.95 5,586.36 4/2/2003 54.92 52.77 5,586.24 5/1/2003 55.04 52.89 5,584.93 6/9/2003 56.35 54.20 5,584.46 7/7/2003 56.82 54.67 5,584.55 8/4/2003 56.73 54.58 5,584.01 9/11/2003 57.27 55.12 5,583.67 10/2/2003 57.61 55.46 5,583.50 11/7/2003 57.78 55.63 5,584.08 12/3/2003 57.20 55.05 5,585.45 1/15/2004 55.83 53.68 5,585.66 2/10/2004 55.62 53.47 5,586.13 3/28/2004 55.15 53.00 5,586.39 4/12/2004 54.89 52.74 5 586 66 5/13/2004 54 62 52 47 Water Levels and Data over Time White Mesa Mill - Well TW4-18 5,586.66 5/13/2004 54.62 52.47 5,586.77 6/18/2004 54.51 52.36 5,587.35 7/28/2004 53.93 51.78 5,586.34 8/30/2004 54.94 52.79 5,585.85 9/16/2004 55.43 53.28 5,585.22 10/11/2004 56.06 53.91 5,584.70 11/16/2004 56.58 54.43 5,584.81 12/22/2004 56.47 54.32 5,584.68 1/18/2005 56.60 54.45 5,585.02 2/28/2005 56.26 54.11 5,585.25 3/15/2005 56.03 53.88 5,586.31 4/26/2005 54.97 52.82 5,586.97 5/24/2005 54.31 52.16 5,586.58 6/30/2005 54.70 52.55 5,586.10 7/29/2005 55.18 53.03 5,586.05 9/12/2005 55.23 53.08 5,585.86 12/7/2005 55.42 53.27 5,587.13 3/8/2006 54.15 52.00 5,585.93 6/13/2006 55.35 53.20 5,585.40 7/18/2006 55.88 53.73 5,585.38 11/7/2006 55.90 53.75 5585.83 2/27/2007 55.45 53.30 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,639.13 5,641.28 2.15 121.33 Water Levels and Data over Time White Mesa Mill - Well TW4-18 5585.15 5/2/2007 56.13 53.98 5586.47 6/24/2008 54.81 52.66 5586.3 8/26/2008 54.98 52.83 5585.21 10/14/2008 56.07 53.92 5584.47 3/3/2009 56.81 54.66 5584.35 6/24/2009 56.93 54.78 5583.88 9/10/2009 57.4 55.25 5584.43 12/11/2009 56.85 54.70 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,629.53 5,631.39 1.86 121.33 5,581.88 8/23/2002 49.51 47.65 5,582.14 9/11/2002 49.25 47.39 5,582.06 10/23/2002 49.33 47.47 5,582.07 11/22/2002 49.32 47.46 5,582.16 12/3/2002 49.23 47.37 5,582.28 1/9/2003 49.11 47.25 5,582.29 2/12/2003 49.10 47.24 5,582.74 3/26/2003 48.65 46.79 5,582.82 4/2/2003 48.57 46.71 5,548.47 5/1/2003 82.92 81.06 5,564.76 6/9/2003 66.63 64.77 5,562.53 7/7/2003 68.86 67.00 5,564.10 8/4/2003 67.29 65.43 5,566.01 8/30/2004 65.38 63.52 5,555.16 9/16/2004 76.23 74.37 5,549.80 10/11/2004 81.59 79.73 5,546.04 11/16/2004 85.35 83.49 5,547.34 12/22/2004 84.05 82.19 5,548.77 1/18/2005 82.62 80.76 5,551.18 2/28/2005 80.21 78.35 5,556.81 3/15/2005 74.58 72.72 5 562 63 4/26/2005 68 76 66 90 Water Levels and Data over Time White Mesa Mill - Well TW4-19 5,562.63 4/26/2005 68.76 66.90 5,573.42 5/24/2005 57.97 56.11 5,552.94 7/29/2005 78.45 76.59 5,554.00 9/12/2005 77.39 75.53 5,555.98 12/7/2005 75.41 73.55 5,552.00 3/8/2006 79.39 77.53 5,545.74 6/13/2006 85.65 83.79 5,544.06 7/18/2006 87.33 85.47 5,548.81 11/7/2006 82.58 80.72 5543.59 2/27/2007 87.8 85.94 5544.55 5/2/2007 86.84 84.98 5558.97 8/15/2007 72.42 70.56 5559.73 10/10/2007 71.66 69.8 5569.26 3/26/2008 62.13 60.27 5535.47 6/25/2008 95.92 94.06 5541.41 8/26/2008 89.98 88.12 5558.45 10/14/2008 72.94 71.08 5536.9 3/3/2009 94.49 92.63 5547.76 6/24/2009 83.63 81.77 5561.48 9/10/2009 69.91 68.05 5548.14 12/11/2009 83.25 81.39 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,628.52 5,629.53 1.01 106.0 5,565.70 7/29/2005 63.83 5,546.53 8/30/2005 83.00 5,540.29 9/12/2005 89.24 5,541.17 12/7/2005 88.36 5,540.33 3/8/2006 89.20 5,530.43 6/13/2006 99.10 5,569.13 7/18/2006 60.40 5,547.95 11/7/2006 81.58 5,550.58 2/27/2007 80.28 5,563.60 5/2/2007 78.95 5,555.85 8/14/2007 65.93 5,569.10 10/10/2007 73.68 5,560.00 3/26/2008 60.43 5,539.64 6/25/2008 69.53 5,539.51 8/26/2008 89.89 5,553.00 10/14/2008 90.02 5,534.18 3/3/2009 76.53 5,558.39 6/24/2009 95.35 5,560.99 9/10/2009 71.14 5,629.53 12/11/2009 68.54 Water Levels and Data over Time White Mesa Mill - Well TW4-20 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,638.20 5,639.35 1.15 120.92 5,582.98 7/29/2005 56.37 5,583.43 8/30/2005 55.92 5,581.87 9/12/2005 57.48 5,580.50 12/7/2005 58.85 5,583.64 3/8/2006 55.71 5,580.55 6/13/2006 58.80 5,578.95 7/18/2006 60.40 5,578.47 11/7/2006 60.88 5,579.53 2/27/2007 59.82 5,578.07 5/2/2007 61.28 5,583.41 8/15/2007 55.94 5,583.45 10/10/2007 55.9 5,586.47 3/26/2008 52.88 5,579.16 6/24/2008 60.19 5,579.92 8/26/2008 59.43 5,577.37 10/14/2008 61.98 5,578.00 3/10/2009 61.35 5,580.14 6/24/2009 59.21 5,578.72 9/10/2009 60.63 5,579.99 12/11/2009 59.36 Water Levels and Data over Time White Mesa Mill - Well TW4-21 Water Elevation (WL) Land Surface (LSD) Measuring Point Elevation (MP) Length Of Riser (L) Date Of Monitoring Total or Measured Depth to Water (blw.MP) Total Depth to Water (blw.LSD) Total Depth Of Well 5,627.83 5,629.00 1.17 113.5 5,571.89 7/29/2005 57.11 5,572.20 8/30/2005 56.80 5,572.08 9/12/2005 56.92 5,571.61 12/7/2005 57.39 5,571.85 3/8/2006 57.15 5,571.62 6/13/2006 57.38 5,571.42 7/18/2006 57.58 5,571.02 11/7/2006 57.98 5571.24 2/27/2007 57.76 5,570.75 6/29/2007 58.25 5,571.82 8/14/2007 57.18 5,571.99 10/10/2007 57.01 5,573.05 3/26/2008 55.95 5,573.04 6/24/2008 55.96 5,573.04 8/26/2008 55.96 5,573.02 10/14/2008 55.98 5,573.19 3/10/2009 55.81 5,573.32 6/24/2009 55.68 5,573.17 9/10/2009 55.83 5,573.52 12/11/2009 55.48 Water Levels and Data over Time White Mesa Mill - Well TW4-22 , Date Depth Elevation 09/13/2007 68.48 5539.12 10/10/2007 68.57 5539.04 11/30/2007 68.12 5539.49 12/11/2007 67.88 5539.73 01/08/2008 68.18 5539.43 02/18/2008 67.93 5539.68 03/26/2008 67.83 5539.78 04/23/2008 67.66 5539.95 05/30/2008 67.89 5539.72 06/24/2008 67.84 5539.77 07/16/2008 67.93 5539.68 08/26/2008 67.69 5539.92 09/10/2008 66.19 5541.42 10/14/2008 67.8 5539.81 11/26/2008 68.08 5539.53 12/29/2008 67.82 5539.79 01/26/2009 67.22 5540.39 02/24/2009 67.63 5539.98 03/06/2009 67.51 5540.10 04/07/2009 67.65 5539.96 05/29/2009 67.53 5540.08 06/30/2009 67.25 5540.36 07/31/2009 67.25 5540.36 08/31/2009 67.1 5540.51 09/10/2009 67.24 5540.37 12/11/2009 66 73 5540 37 Water Levels and Data over Time White Mesa Mill - Well TW4-23 12/11/2009 66.73 5540.37 Date Depth Elevation 09/13/2007 57.22 5568.48 10/10/2007 57.30 5568.40 11/30/2007 56.67 5569.03 12/11/2007 56.53 5569.17 01/08/2008 56.80 5568.90 02/18/2008 56.61 5569.09 03/26/2008 56.40 5569.30 04/23/2008 56.15 5569.55 05/30/2008 56.31 5569.39 06/24/2008 56.49 5569.21 07/16/2008 56.55 5569.15 08/26/2008 56.49 5569.21 09/10/2008 56.6 5569.10 10/14/2008 56.71 5568.99 11/26/2008 56.88 5568.82 12/29/2008 56.91 5568.79 01/26/2009 56.18 5569.52 02/24/2009 56.52 5569.18 03/06/2009 56.46 5569.24 04/07/2009 56.62 5569.08 05/29/2009 56.6 5569.10 06/30/2009 56.41 5569.29 07/31/2009 56.45 5569.25 08/31/2009 56.35 5569.35 09/10/2009 56.55 5569.15 12/11/2009 56 19 5569 51 Water Levels and Data over Time White Mesa Mill - Well TW4-24 12/11/2009 56.19 5569.51 Date Depth Elevation 09/13/2007 43.05 5601.86 10/10/2007 43.02 5601.89 11/30/2007 42.34 5602.57 12/11/2007 42.09 5602.82 01/08/2008 42.97 5601.94 02/18/2008 45.78 5599.13 03/26/2008 47.80 5597.11 04/23/2008 49.40 5595.51 05/30/2008 50.49 5594.42 06/24/2008 50.65 5594.26 07/16/2008 58.24 5586.67 08/26/2008 50.74 5594.17 09/10/2008 50.68 5594.23 10/14/2008 50.79 5594.12 11/26/2008 50.85 5594.06 12/29/2008 50.04 5594.87 01/26/2009 49.02 5595.89 02/24/2009 48.64 5596.27 03/06/2009 48.44 5596.47 04/07/2009 48.17 5596.74 05/29/2009 47.36 5597.55 06/30/2009 46.8 5598.11 07/31/2009 46.69 5598.22 08/31/2009 46.39 5598.52 09/10/2009 46.42 5598.49 12/11/2009 45 43 5599 48 Water Levels and Data over Time White Mesa Mill - Well TW4-25 12/11/2009 45.43 5599.48 ENERGYLABORATO~-"S,INC••2393Sail Creek Highway (82601)•Ro. TollFree 888.235.0515 •.235.0515 •Fax 307.234.1639 •casper@energy. LABORATORY ANALYTICAL REPORT .3258 •Casper,WY82602 "'om •www.energylab.com Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-002 MW-4 Report Date:01/06/10 Collection Date:12/14/09 14:00 DateReceived:12/18/09 Matrix:Aqueous MCL! Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 44 mg/L 1 A4500-CI B 12/28/0911:031 ja Nitrogen,Nitrate+Nitrite as N 5.8 mg/L 0.2 E353.2 12/28/09 13:251jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride 1.6 ug/L 1.0 SW8260B 12/22/0904:361jlr Chloroform 1800 ug/L 100 SW8260B 12/21/0915:00 I jlr Chloromethane ND ug/L 1.0 SW8260B 12/22/09 04:361jlr Methylene chloride ND ug/L 1.0 SW8260B 12/22/0904:361jlr Surr:Dibromofluoromethane 107 %REC 70-130 SW8260B 12/22/09 04:361jlr Surr:p-Bromofluorobenzene 105 %REC 80-120 SW8260B 12/22/0904:361jlr Surr:Toluene-dB 100 %REC 80-120 SW8260B 12/22/0904:361 jlr Surr:1,2-Dlchlorobenzene-d4 111 %REC 80-120 SW8260B 12/22/09 04:361jlr Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. Additional Lab Results ENERGVLABORATOFIIES,(NC.•2393SarrCleekHighway(8260()'Po.Box3258 .Caspel;WV826'02 70//Free 888JlJ5.0515 .307.28/i0515 .RiX 307.234.1639 'casper@81l8lgylab,com'WMI~ef}efgy/ab,com ANALYTICAL SUMMARY REPORT January 11,2010 Denison Mines (USA)Corp 6425 S Hwy 191 Blanding,UT 84511 Workorder No.:C09120896 Project Name:4th Quarter Chloroform Quote ID:C2975·Chloroform Sampling Energy Laboratories,Inc.received the following 14 sampies for Denison Mines (USA)Corp on 12/30/2009 for analysis. Sample ID Client Sample 10 Collect Date Receive Date Matrix Test C09120896-001 TW4-11R C09120896-002 TW4·7R 12/28(09 08:20 12/30109 Aqueous Chloride Nitrogen,Nitrate +Nitrile SW8260B vacs,Standard List.._._-_.__.._--_.•..'"-""~"..-.-_-._.._--_.-.._-,.---~-_.,.-..,-,,,,.-_..._•.•.__.._....__._""",,.._---,... 12/28/09 10:00 12/30109 Aqueous Same As Above Same As Above Same As Above Same As Above C09120896-003 TW4·1R...-_._--_. C09120896·004 TW4-4R C09120896-005 TW4-22R 12/28/09 11:03 12/30109 12/28/09 11:57 12/30109 12/28109 13:02 12/30109 Aqueous ---Aqueous Aqueous ...................____-_.._.._-__-_-. C09120896·006 TW4-2R 12/28(0914:02 12/30109 Aqueous Same As Above C09120896-007 TW4·70 12/29/09 08:25 12/30109 Aqueous Same As Above----___-_-___--____.._.. C09120896·008 TW4-11 12/29/0908:15 12/30109 Aqueous Same As Above C09120896·009 TW4-7 12/29/09 08:36 12/30109 Aqueous Same As Above Same As Above Same As AboveAqueous Aqueous Aqueous 12/29/09 08:46 12/30109 12/29/0908:03 12/30109 ..................................-_ _-___-_..__---_..--__--- 12/29/09 08:54 12/30109 ....._._----C09120896·010 TW4-1 C09120896-011 TW4-4-___--- C09120896-012 TW4·22--_._.._____-____.._._-.•-.--- C09120896-013 TW4-2 12/29/0908:25 12/30/09 Aqueous Same As Above .........__..__-____..---C09120896-014 Trip Blank 12/29/09 00:00 12/30/09 Aqueous SW8260B vacs,Standard List As appropriate,any exceptions or problems with the analyses are noted in the Laboratory Analytical Report,the QAlQC Summary Report,or the Case Narrative. ifyou have any questions regarding these tests results,please call. Report Approved By:...&--<rha M;'P &.U )J)~ Stephanie D.Waldrop Reporting Superviso~ ENERGYLABORATORIES,INC••2393SailCreek Highway (82601)'Po.Box8258 .Casper,WV82602 TollFree 888.235.0515 .307.235.0515 •Fax 307.234.1639 •casp6'/@eller9ylab.com·ww,v.ellergylab.com---__.___..__.. LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120896·001 TW4-11R Report Date:01111110 Collection Date:1212810908:20 DateReceived:12/30109 Matrix:Aqueous Analyses Result Units Qualifier RL MCU QCL Method Analysis Date I By ND ug/L ND ug/L ND ug/L ND ug/L 103 %REC 108 %REC 104 %REC 107 %REC MAJOR IONS Chloride Nitrogen,Nitrate+Nitrite as N VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride Chloroform Chloromethane MethYlene chloride Surf:Dibromofluoromethane Sure p.Bromofluorobenzene Surr:Toluene-dB Surr;1,2-Dichlorobenzene-d4 NO 0.1 mg/L mg/L 1 A4500-CI B 12/31/09 15:48/1jl 0.1 E353.2 01/05/1012:071 jal 1.0 SW8260B 01/04/1018:10I wen 1.0 SW8260B 01/04/10 18:10/wen 1.0 SW8260B 01/0411018:10 I wen 1.0 SW8260B 01/04f10 1B:10/wen 70-130 SW8260B 01/04/1018:10I wen 80-120 SW8260B 01/04/1018:10 I wen 80-120 SW8260B 01/04/1018:10 {wen 80-120 SW8260B 01/04/10 18:10I wen Report Definitions: RL w Analyte reporting limit. QCL ~Quality control limit. Mel-Maximum contaminant level. ND -Not detected at the reporting limit. ENEI?GYLABORATORIES,INC.•2393sa/n'reek Highway (82601)'P.O.Box3258 .Caspel;WY82602 Tol/iree 888.235.0515 •307.235.0515 •Fax 307.234.1839 •casper@eller9y/ab.colII·ww",ellergy/ab.colII ----_-- LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: ClientSample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120896..002 TW4..7R Report Date:01/11/10 Collection Date:12/28/0910:00 DateReceived:12/30/09 Matrix:Aqueous 1 A4500·CI B 12/31/0915:5411jl 0.1 E353.2 01/05/10 12:09/ja! 1..0 SW8260B 01/04/10 18:50/wen 1..0 SW8260B 01/04/1018:50 I wen 1..0 SWB260B 01104/101B:50/wen 1..0 SW8260B 011041101B:501wen 70·130 SWB260B 01/041101B:501wen 80..120 SW8260B 01/04/10 18:50/wen 80..120 SWB260B 01/04/10 18:50/wen 80..120 SW8260B 01/04110 18:501wen Analyses Result Units Qualifier MAJOR IONS Chloride ND mg/L Nitrogen,Nitrate+Nitrite as N NO mg/L VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L Chloroform 1.1 uglL Chloromethane NO ug/L Methylene chloride NO ug/L Surr:Dibromofluoromethane 102 %REC Surr;p-Bromofluorobenzene 109 %REC Surr:Toluene-d8 105 %REC Sure 1,2·Dichlorobenzene-d4 105 %REC RL MeL! QCL Method Analysis Date I By --~--______._- Report Definitions: RL .Analyte reporting limit. QCL .Quality control limit. --_.._..........- Mel-Maximum contaminant level. NO -Not detected at the reporting limit. VV'."';I.·'.'~.f;;.·'.;.F'''.'';;i'''f.,.;7Ff ENE.RGV LABORATORIES,IN('~023.938,1//Cleokliigilway(826YJI)•PO Box 3258 •CRsper,WV82M2Il{ji!f};j~~!/A\t.~l!/i;Y .Toill-ree 888235.0515 '807.235,0515 •Fax 307234.168,Q •oRsper@ellergylab,com •www.el701gylflb,com ~i!lJf _'__~'"__'''''''"'_'~""~'~_~"_"'_"_"'"~.__.._.·_..,·._"__.m ~·....·._.~"""·••__--------,,--........ LABORATORY ANALYTICAL REPORT Client: Project: Lab 10. Client Sample 10. Denison Mines (USA)Corp 4th Quarter Chloroform C09120896-003 TW4-1R Report Date:01/11/10 Collection Date:12/28109 11:03 DateReceived:12/30/09 Matrix:Aqueous -.-._-~--_...__._-_...-...._----_._....----------------~_.,-_. Analyses Result Units QualIfier RL MAJOR IONS Chloride ND mg/L 1 Nitrogen,Nitrate+Nitrite as N ND mg/L 0.1 VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 Chloroform 1.9 ug/L 1.0 Chloromethane ND ug/L 1.0 Methylene chloride ND uglL 1.0 Surr:Dibromofluoromethane 111 %REC 70-130 Surr:p-8romofluorobenzene 110 %REC 80-120 Surr:Toluene-dB 106 %REC 80-120 Surr:1,2-Dichlofobenzene-d4 107 %REC 80-120 MCL! QCL Method A4500~CI B E353.2 SW8260B SW8260B SW8260B SW8260B SW8260B SW8260B SW8260B SW8260B Analysis Date 1By 12/31/0915.58/Ijl 01/05110 12.20/jal 01/04/1022:491 wen 01/04/1022:491 wen 01/04/10 22:49 I wen 01/04/10 22A91 wen 01/04/1022.491 wen 01/04/1022:491 well 0110411022.491 wen 01/04/1022:491 wen Report Definitions: RL -Analyte reporting limit. QCL ~Quality control limit. --~.~-~ MCl ~Maximum contaminant level. NO ~Not detected at the reporting limit. ENERGVLAHORATVRlES,INC-"2393Sail CreekHighway (82601)"Po.BoxJ256 "Casper,WV82602 ,70//Free 8fJ8235.0515 '307.28/):0515 'Fe7X 307.234,1639 .casper@energylab,com •wWI4~el7ergyMb.com ......._--_._------- LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Qualier Chloroform C0912089G·004 TW4-4R Report Date:01/11/10 Collectioll Date:12/28/0911:57 DateReceived:12/30/09 Matrix:Aqueous Analyses Result Units MAJOR IONS Chloride ND mg/L Nitrogen,Nilrale+Nitrite as N NO mg/L VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L Chloroform 2.3 ug/L Chloromethane NO ugfL Metllylene cll10ride NO ug/L Surr:Dibromofluoromethane 98.0 %REC Surr:p-Bromofluorobenzene 110 %REC Surr:Toluene-d8 105 %REC Surr:1,2-Dichlorobenzene-d4 105 %REC Qualifier RL 1 0.1 1.0 1.0 1.0 1.0 70-130 80-120 80-120 80·120 MCL! QCL Method A4500-CIB E353.2 SW8260B SW82608 SW8260B SW8260B SW8260B SW8260B SW8260B SW8260B Analysis Date I By 12/31/0916:00/1jl 01/05/1012:21/jal 01/04/10 23:28 Iwen 01/04/1023:28 I wen 01/04/10 23:28/wen 01/04/10 23:281 wen 01 I04f1 0 23:28 I wen 01/04/1023:281wen 01/04J10 23:28 I wen 01/04/1023:281 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality controllimil. Mel-Maximum contamInant level. NO H Not detected at the reporting limit. ENERGVLABORATOfllES,INC••23938,111 Creek IIigIlWHj'(82601)'P.O.Box 32.58 .Caspel;WI'82602 .7011Aeo888.235 0515 '307.235.0515 .FBX 307.234.1639 .casper@)ollorgy/ab.com'www.6.IJorg)llalJ.com--_._-_.__.._-_..._.._-_.__.......---------_....._..._.--_.._. LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120896·005 TW4·22R Report Date:01111110 Collection Date:12/28/0913:02 DateReceived:12/30/09 Matrix:Aqueous Analyses Result Units Qualifier RL MAJOR IONS Chloride NO mg/L 1 Nitrogen,Nitrate+Nitrite as N NO mg/L 01 VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 Chloroform 2.8 ug/L 1.0 Chloromethane NO ug/L 1.0 Methylene chloride NO uglL 1.0 Surr:Dibromofluoromethane 103 %REC 70-130 Surf:p-Bromofluorobenzene 106 %REC 80-120 Surr:Toluene·d8 103 %REC 80·120 Sun:1,2~Dichlorobellzene·d4 105 %REC 80·120 MCU QCL Method A4500-Cl B E353.2 SW8260B SW8260B SW8260B SW8260B SW8260B SW8260B SW8260B SW8260B Analysis Date I By 1213110916:0211jl 0110511012:241 jal 01/05/1000:08/wen 01/05/1000:08/wen 0110511000:081 wen 01/05/10 00:08 Iwen 01/05/10 00:08 Iwen 01/05/10 00:08/wen 01/05110 00:08 Iwen 01105/10 00:08 Iwen Report Definitions: RL -Analyte reporting limit. QCL .Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit !/~;~T'!V,;;;?"JV"2i'f;)1 ENERGVLABORATORIES,INC_-2393 SHII Creek Highway (826'01)-eo.lJox3258 -Casper,WY826'02!j,~2fdb!.&:b.\~~%?l~f0Y TollFree 888.236,()515 .307.2350516 'Fax 307.234,1639 'casper(j}enelgy/ab.cofll'www,energylab,com tl/f6f4.r4t/IYt£,o"!l.m .._...._.___..~__.".._o..__",~."_~•••_.,,__••__. LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120896-006 TW4-2R Report Date:01/11/10 Collection Date:12/28/09 14:02 DateReceived:12/30109 Matrix:Aqueous ----.,.","........"----_..,,,'._...._.._--- MCL! Analyses F~esult Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride ND mglL 1 A4500-CI B 121311091B:OB /Iii Nitrogen,Nitrate+Nilrjte as N ND mg/L 0.1 E353.2 01/05/1012:27/ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 SW8260B 01/05/1000:47 I wen Chloroform 8.7 ug/L 1.0 SWB260B 01l0G/10 00:47 I wen Chloromethane ND ug/L 1.0 SW82BOB 01/05/1000:47/wen Methylene chloride NO ug/L 1.0 SW8260B 01/05/1000:47/wen Surr:Dibromofluoromethane 103 %REC 70-130 SW82BOB 01/05/1000:47/wen Surr:p-Bromofluorobenzene 107 %REC 80-120 SW8260B 01/05/1000A7/wen Surr:Toluene-d8 104 %REC 80-120 SW8260B 01/05/10 00:47 Iwen Surr:1,2·0ichlorobenzene-d4 107 %REC 80-120 SW8260B 01/05/1000:47/wen Report Definitions: RL -Analyte reporting limit QCL -Quality control limit. Mel -Maximum contaminant level, NO -Not detected at the reporting limit. ENERGVLABORATORIES,INC.•23.93 Sail CleelrHigllway(82601)'P.O,Box3258 •Caspel;WV82602 Toll Free 888.2350515 •307.235.0515 •Fax 307.234,163g •casper@ellClgylab,com'www,ellergyiab,com LABORATORY ANALYTICAL REPORT Analyses Result Units MAJOR IONS Chloride 42 mg/L Nitrogen,Nitrate+Nitrite as N 4.4 mg/L VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride 1,9 ug/L Chloroform 2500 ug/L Chloromethane ND ug/L Methylene chloride ND ug/L SUrf:Dibromofluoromethane 104 %REC Surf:p·8romofluorobenzene 108 %REC Sure Toluene-d8 105 %REC Sure 1,2·Dichlorobent:ene·d4 105 %REC Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Cbloroform C09120896·007 TW4-70 Report Date:01111110 Collection Date:12129/0908:25 DateReceived:12130109 Matrix:Aqueous ---~~------_.__._- MCL! Qualifier RL QCL Method Analysis Date I By 1 A4500-CI B 12/31/0916:10/1jl 0,2 E3532 01/05/10 12:29/jal 1,0 SW8260B 01/05/1001:271 wen 500 SW8260B 01/05/10 15:30/wen 1,0 SWB260B 01/05/10 01 :27 I wen 1.0 SWB260B 01/05/1001:27 I wen 70·130 SW8260B 01105/1001 :271 wen 80·120 SW8260B 01105/10 01:27 Iwen 80-120 SW8260B 01105/10 01 :27 I wen 80·120 SW8260B 01/0511001:27/wen Report Definitions: RL ~Analyle reporting limit. QCL ~Quality control limit. Mel·Maximum contaminant level. ND -Not detected at the reporting limit. £N£RGVLIi/30RATORIES,INC.•2393 Sal/Cleekliigliway(8260/)'Po.Box3258 •C,7sper,WY82602 .Toll Free 888.2350515 '807.236:0.')15 .Fax 807.2341889 .casper@enezqylab,com I wv/w.energylab.com_._.._--_..-__----- LABORATORY ANALYTICAL REPORT ---_..._----_.._--- Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120896·008 TW4·11 Report Date:01/11/10 Collection Date:12/29/0908:15 DateReceived:12/30/09 Matrix:Aqueous MCL! Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 46 mglL 1 A4500·CIB 12/31/0916:14/1j1 Nitrogen,Nitrate+Nitrite as N 6,6 mg/L 0.2 E353,2 01/08110 11 :01 /jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 01/05/10 02:06/wen Chloroform 860 ug/L 200 SW8260B 01/05110 16:09/wen Chloromethane NO uglL 1.0 SW8260B 01/05/1002:06/wen Methylene chloride NO ug/L 1.0 SW8260B 01/05/1002:06/wen Surf:Dibromofluoromettlane 104 %REC 70·130 SW8260B 01/0511002:061 wen Sure p-Bromofluorobenzene 107 %REC 80·120 SW8260B 01/05/1002:06/wen Surr:Toluene-dB 104 %REC 80·120 SW8260B 01/05/1002:061 wen Sure 1,2·Dichlorobenzene·d4 105 %REC 80·120 SW8260B 01/05/1002:06/wen Report Definitions: Rl ~Analyte reporting limit. QCL -Quality control limit. MCl -Maximum contaminant level. ND -Not detected at the reporting limit. 1"",,""",1'",,';;)';';;';77 ENERGVLABORATORIES,INC,"2393SailCreek lfighway (82601)"Ro.Box 3258 'Casper,WV82602l~%/}7!Jit!Ji:'ilifJ;tiifJ .7011Free 888.2350515 '307.235.0515 'Fax 307234.1839 'casper!!PenmgylalJ.com"vllmenelgylalJ.com i!J!Af.l?*!dVdcUWii! LABORATORY ANALYTICAL REPORT Result Units MAJOR IONS Chloride Nitrogen,Nitrate+Nitrite as N Denison Mines (USA)Corp 4th Quarter Chioroform C09120896-009 TW4-7 Client: Project: Lab 10: Client Sample 10: Analyses VOI_ATILE ORGANIC COMPOUNDS Carbon tetrachloride Chloroform Chloromethane Methylene chloride Sure Dibromofluorometl1ane Surr:p·Bromof!uorobenzene Surr:Toluene-d8 Surr;1,2-Dichlorobenzene·d4 37 mg/L 4.2 mg/L NO ug/L 1300 ug/L NO uglL ND ug/l 112 %REC 105 %REC 105 %REC 105 %REC Report Date:01111/10 Collection Date:12/29/0908:36 DateReceived:12/30/09 Matrix:Aqueous ..".-......._-_._--_.~._.,..-...~_._------ MeL! QuaHficr RL QCL Method Analysis Date f By 1 A4500-CI B 1213110916:17/1jl 0.2 E353.2 01/0B/l0 11 :03 /jal 1.0 SWB260B 01/05110 02:46/wen 200 SWB260B 01/05/10 16:47/wen 1.0 SWB260B 01/0511002:461 wen 1.0 SWB260B 01/05/1002:461 wen 70-130 SWB260B 01/05/1002:461 wen BO-120 SWB260B 01/05/1002:46/w8n BO-120 SWB260B 01/05110 02:46 Iwen BO-120 SWB260B 01/0511002:461 wen Report Definitions: Rl·Analyte reporting limit. QCl·Quality control limit. MCl"Maximum contaminant level. NO -Not detected at the reporting limit !r~.•I·.·:\.Wf;'.i;.CJ.CS.'.i2;TP7!ENERGYLAIJOI1A,OHlES,INC••2393SailOsekH/gliway(IJ261!/)'eo Box 32M'Caspel;WY8P.602/t&ifs:!ii.~~"}Sf:;~ttfJ};.To//Fl'eo888.23505t5 .307235.0515 'Fax 307.234.163.9 'casper@energy/ab.com'www.ollergy/ab.com .ff@.Ii!§1@Jl~J.!:jii w_,__.•_~__.".•"m~'._.w,,_._ LABORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 41h Quarter Chloroform C0912089G-010 TW4-1 RepOit Date:01111110 Collection Date:1212910908:46 DatoReceived:12130109 Matrix:Aqueous .~.~,_...,-"..._--. MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 41 mg/1.1 A4500-CI B 1213110916:2111jl Nitrogen,Nitrate+Nitrite as N 6.8 mg/L 0.2 1::353.2 01/0811011:06/jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND uglL 1.0 SW8260B 01/05/1003:26/wen Chloroform 1400 ug/L 200 SW8260B 01/05110 17:251 wen Chloromethane ND ug/L 1.0 SW8260B 01/05/1003:261 wen Methylene chloride ND ug/L 1.0 SW8260B 01105/1003:261 wen Sure Dibromofluoromethane 108 %REC 70-130 SW8260B 0110511003:261 wen Surf:p~Bromofluorobenzene 106 %REC 80-120 SW8260B 0110511003:26/wen Surr:Toluene-dB 105 %REC 80-120 SW8260B 01105/1003:26 I wen Surr:1,2-Dichlorobenzene-d4 102 %REC 80-120 SW8260B 01105/10 03:261 wen Report Definitions: RL ~Analyte reporting limit. QCL ~Quality control limit Mel·Maximum contaminant level. NO -Not detected at the reporting limit. ENERGVLABORATORIES,INC••2383 Sail Cree/riliglllvB)'(82801)'Po.Box 3258 .Casper,WV82602 .lNIFree 888.2350515 •307.235.0515 •Fax 307.234.1638 •casper@energylab.com·ww<Y.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120896·011 TW4·4 Report Date:01111/10 Collection Date:12/29/0908:54 DateReceived:12/30/09 Matrix:Aqueous Analyses MAJOR IONS Chloride Nitrogen,Nitrate+Nitrite as N VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride Chloroform Chloromethane Methylene chloride Surr:Dibromofluoromethane Surr:p·Bromofluorobenzene Surr:Toluene-dB Surr:1,2-Dichlorobenzene-d4 .._.~.....__._._- Result Units Qualifier RL 41 mg/L 1 7.6 mg/L 0.2 1.1 uglL 1.0 950 ug/L 500 NO ug/L 1.0 NO ug/L 1.0 108 %REC 70·130 108 %REC 80-120 105 %REC 80-120 108 %REC 80·120 MCL! QCL Method A4500-CI B E353.2 SW8260B SW8260B SW8260B SW8260B SW82608 SW82608 SW8260B SW8260B Analysis Date 1By 12/31/0916;32/Ijl 01/08/1011;08/jal 01/0611003;291 wen 01/05/10 13:37/wen 01/06/10 03:29 I wen 01/06/1003:291 wen 01/06/1003:291 wen 01/0611003:29/wen 01/06/1003:291 wen 01/06/10 03:29 /wen Report Definitlons: RL .Analyte reporting limit. QCL ~Quality control limit. Mel"Maximum contaminant level. NO .Not detected at the reporting limit. tX'?""t}";i;;'1;,'~'W'''1 ENERGVLABORATOI'IfE8,INC.'2393 Sal/Creek Highway (82801)'P.O.Box 3258 •Casper,WV82802f:l6?!'!i;?:(/1!11f$_~t?0X/,TollF/ee888.235.0515 .307235.0515 'Fax 307234.1639 .ci:/sper@enwgylab,com'wWI.y,8nergylab,com I1%f;lQ~klfljjj£fjj§j ..._.~..._....._._.._.~.,.."..__. LABORATORY ANALYTICAL REPORT Client: Project: Lab ID: ClientSample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120896-012 TW4·22 Report Date:01/11/10 Collection Date:12/29/0908:03 DateReceived:12130/09 Matrix:Aqueous •.......~--"'..---..""--......-.-..._._.....__._._.._------_._---_._-_._-_. Analyses Result Units Qualifier RL MAJOR IONS Chloride 175 mg/L 1 Nitrogen,Nitrate+Nitrite as N 17.8 mglL 0.2 VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ugJL 1.0 Chloroform 380 ug/L 100 Chloromethane NO ug/L 1.0 Methylene chloride NO ug/L 1.0 Surr:Dibromofluoromethane 104 %REC 70-130 Surr:p.Bromofluorobenzene 108 %REC 80·120 Surr:Toluene·dB 105 %REC 80-120 Sure 1,2-Dichlorobenzene-d4 105 %REC 80-120 MCU QCL Mothod A4500-CI B E353.2 SW8260B SW8260B SW8260B SW8260B SW8260B SW8260B SW8260B SW8260B Analysis Date I By 12/31/09 16:36 Iljl 01108/1011:11/jal 01/06/10 04:121 wen 01/06/10 02:46 Iwen 01/06/1004:12 I wen 01/06/10 04;121 wen 01/06/1004:121 wen 01106/10 04;12 Iwen 01106/10 04:12 Iwen 01/06/1004:121 wen Report Definitions: Rl .Analyte reporting limit. QCL .Quality control limit. Mel -Maximum contaminant level. NO ~Not detected at the reporting limit. ENERGVlABO/1liTORlES,INC.•2S8S :JRII CreekliiqliwB!'(8260Ij'eo Box 3258 •Caspel;WV82bYJ2 .70/1 Hoe 888.235.0515 .307235051(;'•Pax 307.234.163lJ 'casper(jPenergy/ab.com'www.energyMb.com -_._----_.--- LABORATORY ANALYTICAL REPORT Result Units MAJOR IONS Chloride Nitrogen,Nltrate~'Nnfite as N Denison Mines (USA)Corp 4th Quarler Chloroform C09120896·013 lW4·2 Client: Project: LablD: Client Sample ID: Analyses VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride Chloroform Chloromethane Methylene chloride Surf:DlbromofJuoromethane Surr:p~Bromofluorobenzene Surr:Toluene-d8 Surr;1,2.Dichlorobenzene·d4 46 6,4 2.0 1600 ND ND 108 lOB 108 107 mg/l mg/L ug/L ug/L ug/L ug/L %REC %REC %REC %REC Report Date:01111110 Collection Date:12/29/09 08:25 DateReceived:12/30109 Matrix:Aqueous MCU Qualifier RL QCL Method Analysis Date I By 1 A4500-CI B 12/31/09 16:45 Iljl 0.2 E353.2 01/08/1011:18 I jal 1.0 SW8260B 01106/10 Q4:54/wen 500 SW8260B 01105/10 14:521wen 1.0 SW8260B 01J06/10 04:54/wen 1.0 SW8260B 01/06/10 04:541 wen 70·130 SW8260B 01/06/10 04:54 Iwen 80·120 SW8260B 01/06/1004:541 wen 80-120 SW8260B 01/06/1004:54/wen 80-120 SW8260B 01/06'1004:54 I wen Report Definitions: RL -Analyte reporting limit. QCl .Quality control limit. Mel ~Maximum contaminant level. NO ~Not detected at the reporting limit. ENERGVLABORATORIES,INC.·23938a/lCreek Higllway(821101)'1'.0.Box3258 •Caspe!;WV82602 ,TollFree 888235.0515 '307.235.0515 •Fax 307.2341639 •casper@energy/ab.com·www.energy/ab.com LASaRATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120896-014 Trip Blank Report Date: Collection Date: DateReceived: Matrix: 01/11/10 12/29/09 12/30/09 Aqueous ....__......~.__.-........_---..--..--'-"-'''-... MCU Analyses Result UnIts Qualifier RL QCL Method Analysis Date I By VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 01/05110 12:59/wen Chloroform NO ug/L 1.0 SW8260B 01/05/10 12:591 wen Chloromethane ND ug/L 1.0 SW8260B 01105/1012:59/wen Methylene chloride NO ug/L 1.0 SW8260B 01 {05/1 0 12:59 !wen Surf:Dibromofluoromelhane 101 %REC 70-130 SW8260B 01(05/1012:59/wen Surr:p.Bromofluorobenzene 110 %REC 80-120 SW8260B 01/05110 12:59/wen Surr:Toluene-dB 103 %REC 80-120 SW8260B 01/05/10 12:59/wen Surr:1,2~Djchlorobenzene-d4 105 %REC 80-120 SW8260B 01/05/1012:59/wen Report Definitions: RL ~Analyte reporting limit. QCL •Quality control limit. Mel·Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLAIJONArORlE8,fIVC.•2,9.93 Safl C/O"k Highway(82601)'Po.Box 3258 •Caspe!;WI'82602 7011ArJe 888.285.0515 .307.235.0515 'Fax 307.234.1639 'casper@enelgylalJ,corJJ'wWJ¥.energy/ab.com QAfQC Summary Report Client:Denison Mines (USA)Corp r,eport Date:01/11110 Project:4th Quarter Chloroform Work Order:C09120896 r·;~~·;;~~.Count Result Units RL %REC Low limit High Limit RPJ)RPDLimit '~~~;-1 Method:A4500-CI B Batch:091231A-Cl-TTR-W Sample ID:MBLK9-091231A Method Blank Run:TITRATION_0912318 12/3110915:38 Chloride ND mglL 0.4 Sample ID:C09120896-010AMS Sample Matrix Spike Run:TITRATION_0912318 1213110916:26 Chloride 217 mg/L 1.0 100 90 11O Sample 10:C09120896·Q10AMSD Sample Matrix SpUw Duplicate Run:TITRATION_091231B 12131/09 16:28 Chloride 215 mgJL 1.0 99 90 110 0.8 10 Sample ID:C09120896-013AMS Sample Matrix 8pil(e Run:TITRATION_0912318 12t31f0916:45 Chloride 224 mg/l 1.0 101 90 110 Sample 10:C09120896-013AMSD Sample Matrix Spil\e Duplicate Run:TITRATION_0912318 1213110916:48 Chloride 221 mg!L 1.0 99 90 110 1.6 10 Sample 10:LCS35-091231A Laboratory Control Sample Run:TITRATION_0912318 12131/0916:51 Chloride 3570 mg/L 1.0 101 90 110 Method:E353.2 Batch:R128300 Sample ID:MBLK-1 Method Blank Run:TECHNICON_100105A 01/05/1009:59 Nitrogen,Nitrate+Nitrite as N ND mgll 0.03 Sample ID:LCS-2 Laboratory Control Sample Run:TECHNICON_l00105A 01/05/10 10:02 Nitrogen,Nitrate+Nilrite as N 2.53 mg/l 0.10 101 90 110 Sample 10:C09120896·002BMS Sample Matrix Spike Run:TECHNICON_1 00105A 0110511012:12 Nitrogen,Nitrate+Nitrite as N 1.96 mg/L 0.10 95 90 110 Sample 10:C09120896·002BMSD Sample Matrix Spike Duplicate Run:TECHNICON_l00l05A 01105/1012:14 Nitrogen,Nitrate+Nitrite as N 2.02 mg/L 0.10 98 90 110 3 10 Method:E353.2 Batch:R128408 Sample ID:MBLK-1 Method Blank Run:TECHNICON_l00108A 01108/1010:36 Nitrogen,Nitrate+Nitrite as N 0.04 mg/L 0.Q3 Sample 10:LCS-2 Laboratory Control Sample Run:TECHNICON_100108A 01108/1010:38 Nitrogen,Nitrate+Nitrjte as N 2.70 mgfL 0.10 106 gO 110 SamplelD:C10010128·001AMS Sample Matrix Spike Run:TECHNICON_l00108A 01108/1010:53 Nitrogen,Nltrate+Nitrite as N 2.82 mg/l 0.10 107 gO 110 Sample ID:C10010128-001AMSD Sample Matrix Spike Duplicate Run:TECHNICON_100108A 01/0811010:56 Nitrogen,Nitrate+Nilrite as N 2.64 mgll 0.10 98 90 110 6.6 10 Sample ID:C09120909-001CMS Sample Matrix Spike Run;TECHNICON_100108A 01/08/1011:31 Nitrogen,Nitrate+Nitrite as N 2.02 mg/L 0.10 95 gO 110 Sample ID:C09120909-001 CMSD Sample Mat(ix Spike Duplicate Run:TECHNICON_l00108A 01/0811011:33 Nitrogen,Nitrate+Nitrite as N 1.98 mgll 0.10 92 90 11O 2 10 -----_.._-----_._------._._..._._._._--~.~-_...~_._-_.-.,.-_.._---_...-.._--_...._-~,--.--.--_._----_.. Qualifiers: RL .Analyte reporting limit.NO·Not detected at the reporting limit. ENERGVLAI30RATORlES,INC,'2393SailCreekHighway (82601)'PO Box3258 'Casper,WV82602 ,TollFree 888.235.{J5!5 •807.235.0515 •Fax 307234.1639 •cMper({{Jenelgyltib,coll7'lilwl-v.Dnergylab.com Glient:Denison Mines (USA)Corp Project:4th QUfllier Chloroform Report Date:01106/10 Work Order:C09120896 r---.-----_.,-, i Analyle Result Units RL %REC Low Limit High Limit RPO RPDLimit Qual,---_.---_! Method:SW3260B Batch:R128289 Sample 10:04-Jan·10-LCS_3 Laboratory Control Sample Run:GCMS2_100104B 01/04/1009:47 Carbon tetr8chloride 11 ug/L 1.0 113 70 130 CI)loroform 10 ug/L 1,0 105 70 130 Chloromethane 7,7 ug/L 1.0 77 70 130 Methylene chloride 8.1 uglL 1.0 81 70 130 Sure Dibromofluorornelhane 1.0 105 70 130 Surr:p"Bromofluorobenzene 1.0 101 30 130 Surr:Toluene-d8 1.0 104 80 120 Surr:1,2-Dicl)lorobenzene-d4 1.0 '104 80 120 Sample 10:04.Jan-10_MBLK_6 Method Blanl<Run:GCMS2-100104B 01/04/10 11:46 Carbon tetrachloride NO ug/L 1.0 Chloroform NO ug/L 1.0 Chloromethane NO uglL 1,0 Methylene chloride NO ug/L 1,0 Sure DlbromofluoromeU13ne 1.0 95 70 130 Surr:p-Bromolluorobenzenc 1,0 108 80 120 Surr:Toluene-dB 1.0 102 30 120 Surr;1,2-Dichlorobenzene-d4 1.0 104 80 120 Sample 10:C091207BB·004AMS Sample Matrix Spike r,un:GCMS2_100104B 01/04/1020:09 Carbon tetracllioride 200 uglL 20 98 70 130 ChloroForm 210 ug/L 20 106 70 130 Chloromethane 190 ug/L 20 97 70 130 Methylene chloride 200 ug/L 20 100 70 130 Surr:Dibromofluoromethane 20 101 70 130 Surr:p-Bromofluorobenzene 20 95 80 120 Surr:Toluene-dB 20 108 80 120 Surr:1,2·Dichlorobenzene-d4 20 102 80 120 Sample 10:C09120788,004AMSO Sample MatriX Spike Duplicate Run:GCMS2_100104B 01/04/1020:49 Carbon tetrachloride 210 ug/L 20 105 70 130 6.7 20 Cilloroform 220 ug/L 20 109 70 130 2,6 20 Chloromethane 200 ug/L 20 100 70 130 2.8 20 Methylene chloride 200 ug/L 20 101 70 130 0.4 20 Surr:Dibromofluorofliethane 20 101 70 130 0 10 Surr:p-BromoOuorobenzene 20 104 80 120 0 10 Surr:Toluene-dB 20 105 80 120 0 10 Surr:1,2-Diclllorobenzene-d4 20 102 80 120 0 10 Sample ID:05.Jan·10_LCS_3 LaboratoryControl Sample Run:GCMS2__1001048 01/05/1010:25 Carbon tetrachloride 11 ug/L 1,0 112 70 130 Chloroform 12 ug/L 1.0 122 70 130 Cilloromethane 11 ug/L 1,0 112 70 130 Methylene chloride 12 ug/L 1.0 122 70 130 ----~----_._..._......_------------.._._--._--,-----------._'".,-.-.--------~._- Qualifiers: RL -Analyle reporting limit.NO H Notdetected at the reporting limit. ENENGVLA/30rlATOF/lt:!8,INC.'2393Sail Creek Highway(82001)'p.o.Box 3258 •Casper,WV82b'02 -To//Free 888.2850515 .301,235.0515 •Fax 307.234.1639 •casper@energylab.com·vl1wl.energylab,com Client:Denison Mines (USA)Corp Report Date:01/06/10 Project:4tl1 Quarter Chloroform Worl<Order:C09120896 Analyte Result Units RL %REC Low Limit High Limit RPD I~PPUlllit Qual Method:SWS260B Batch:R12S2S9 Sample 10:05..Jan~10_LCS_3 Laboratory Control Sample Run:GCMS2_1001040 01105/1010:25 Surr:Dibromofluorornethan8 1.0 106 70 130 Surr:p-Brornofluorobenzene 1.0 98 SO 130 Surf:Toluene-dB 1.0 10S 80 120 Surr:1,2vDichlorobenzene-d4 1.0 104 80 120 Sample ID:05..Janv 10_MBLK_6 Mettlod Blank Run:GCMS2_100104B 0110511012:21 Carbon tetrachloride ND ug/L 1.0 Chloroform ND ug/L 1.0 Chloromethane ND ug/L 1.0 Methylene chloride ND ug/L 1.0 Surr:Dlbrornofluoromethane 1.0 102 70 130 Surr:p-Bromofluorobenzcne 1.0 111 80 120 Surt:Toluene-dB 1.0 102 80 120 Surr:1>2~DjchlorobGnzene"d4 1.0 102 80 120 Sample 10:C09120896·010CMS Sample Matrix Spike I~un;GCMS2_1001048 01/05/1018:03 Carbon tetrachloride 2000 ug/L 200 102 70 130 Chloroform 3600 ug/L 200 109 70 130 Chloromethane 2000 uglL 200 99 70 130 Methylene chloride 2100 ug/L 200 104 70 130 Surr:DibromofJuorornelhan8 200 100 70 '130 Surr:p-Bromofluorobenzene 200 97 80 120 Surr:Toluene-d8 200 105 80 120 Surr:1,2-Dic)'llorobenzene-d4 200 103 SO 120 Sample 10:C09120896·010CMSD Sample Matrix Spike Duplicate Run:GCMS2_100104B 0110511018:43 Carbon tetracl)loride 2100 uglL 200 103 70 130 1.2 20 Chloroform 3700 ug/L 200 113 70 130 2 20 Chloromethane 2000 uglL 200 98 70 130 0.4 20 Methylene chloride 2000 ug/L 200 102 70 130 2.3 20 Surr:Dibromofluoromethane 200 99 70 130 0 10 Surr:p~8romofluorobenzene 200 99 80 120 0 10 Surr:Toluene-d8 200 106 80 120 0 10 Surr:1,2~Dichlorobcnzene-d4 200 103 SO 120 0 10 Qualifiers: RL ~Analy(e reporting limit.ND -Not detected at the reporling limit EPA/State Compliance: Yes 0 No 0 Qudte/Bottle Order: page-!-of 2 ISampler:(Plea/~trint)i l12trrt !4t4Y.i &rm.&11\J'@O@ ~1ll®MIll@'jj'Ill[i3) cOIl;;etji1~hone!l1Y 4-nf Email: In'VOi1e Contact &Phone:--I \Purchase Order: .5e<w-L--i <Project N~e,PWS,perm}.Etc.II'Sample Origin LjfG !JWJO~!Z r:/1kcm!1rf!/'A.State:u-( so ~l:20w~~co;g5J t "$>~>-'(0 c(f)(jj ~s8s7:5 ~0)b«~It¥iI~"'-ID (I)c·-Bo..ro.QOl'E~lm ' :J (l)"~(j)Szo...«)0)0~~I IJ) Chain of Custody and Analytical Request Record PLEASE PRINT (Provide as much information as possible.\ D EOOIEOT(Electronie Data) Format:.:;-;-_ D LEVEL IVDNELAC 1*Contact Ell prior to ~Shipped cy:]. .__,...---!RUSH sample submittal II 'Pel J2 -t :1I!~.--..I for char~es and ~Cooler lOts):!I i I 0 !:;:,R scheduling-See I !i I W t:.1 Instruction Page C \:ef'\--{~ \i;'I'uI -g let·'Rcc(')ptTcmp !,. I :0 U ommen s.;j II "1 «e,,°c !.f-ro \f:~~~I o,r",(1)N II ~'W "E'S Custody Se,1 .c,..,II'I W ro On8otne Y \N/II',(f)-g On Cooie.<:0 N !55 H Intact c:)N I SAMPLE IDENTIFICATION I Coliection I Coliectlon I MATRIX I I,~i£t~~tum (!)N II(Name,Location,Interval,etc.)Date Trme !I ;1 Report~d,:,"~~1St)j~IIJI1Jh~a (;f{%L/SI/ Special R'eportiFormats: compa~e:,'-'\eAliSO/oj Dow D POTWfWWTPDState:_ D Other:_ I;rl#,&ifl d,:{Q1;?$174o#?l4it Invoice Address:I I SCUMI' ---J -1 J -"""1g I IN%iJ't l1ai {:;',Ix i i I_..~._!I r""--;f'-~---t-!-=--,<"---"'--"tI-'-'--""""'----t-"":::----"--''--+;-;+--+--+--1-+--+----+----t--+---+--+-------1fll_5-.----II 6 1111/4 ~Z(L.liJ-l'x·o11 {9!JJ...fs---wI5CI-'1 Il-I 1-1 1_I I Il~II- ,1--\1'··1 I'VI 1 II 1 I I U'1 i I IlIF-o .1 7 IlNLf ~q--()iJ-2CJ-;fllt25'":;~~L ..L._u L i....i 1 .._n~i 1OTTAfLi~-iI12-2f·11Idg~?I5"-vJ l/i1 I I...LI LI"T L 1 ~.dif2tzJl I! Custody Received by (print):Dalel1"ime-Signafu~e: Record Received by(print):Datemme-Signature: Ml!ST be'I---~,t..--------------------/------------------i=.""''''"Offi\7,l',,",,o,''''"'.o:;;,,;;"===9'i',""'f''',m''''''========'''/2:'''~''~'''''''"''',=--?=''~,,--='''=5-.?'''===I, SIgned Sample Dispesal:Relum toCHent:Lab Disposal:<-fW /;::}.--:<0 -~q~(...~ In certain circumstances.samples submitted to Energy Laboratories,Inc.may be subcontracted to other certified laboratories in order to complete the analysis requested. This serves as notice of this possibility.All sub-contract data will be clearly notated on your analytical report. Visit our web site at w'Nw.energy!ab.com for additional information,downloadablefee schedule,forms,and Jinks. pageLof 2_ I -'-v ()e ~Comments:"U I «2f-'"f-e«'5 I j r-SIW1",W '"I I (fJ v I e'" ",,\1 I I I iii H o EDD/EDT(ElectroniCData) Fonmat:,::-:-_o LEVEL IVoNELAC DDW DpOTWNVWTPoState:_o Other:_ l#l.;fflJlifl Chain of Custody and Analytical Request Record &!Iti,:,,,@u,,];It"""PLEASE PRINT Provide as much information as ossible. Camp arne:Project Name,PWS,Permit,Etc.I Sample Origin EPA/State Compliance: 1 t,,.I State:UL7 Email: Purchase Order:iiiiI Special Report/Formats:i $:8I}!]&[b)7@O@ Cffiili®(lDI]j@'jj'I]j[ID .1 Contact ELI priorto ,1f;':'ipP'~bY:Ii°~IRUSH sample suomlttal I~t>'Lt -('f 1 VI0 ~j I 1 'I 'I --..for charoes and CoolerI,D(S):(!~~-,r-R I ~,.'~!Xl;g 01 2 ;i 0 <:(scheduling -See l li.~;;~~~~1 !\i ~t:..Instruction Page 11 (.j:.p J,-t li 0$:'-'"'"N .I '~-<~l~!~~f f@~*.Q2S \j'1 Ii1~lro ';:l(!).=:1i)s ' Z 0.-<1 g>o tsJ'IE>1 'v'"(J),,~I ,~I I I SAMPLE IDENTIFICATION I Collection I Collection I MATRIX I"'"I I I I I I 'I I U "J 'Is,gna'""('Y)N II(Name,Location,Interval,etc.).Date [TIme '\J I i _.I Match L/II 9 , I J I I I]Svw 1 ii'I 'I I i II'~Is;-w I I"~Wl_l' EBII :i,j -III iI DatetTime:Signature; u",telIIme:Slg~'~\'I' /~-?_,""')<%e ,.f""lf)-00 -{0C ~jf In certain circumstances,samples submitted to Energy Laboratories,Inc.may be subcontracted to other certified laboratories in order to comprete the analysis r~~ted. This serves as notice ofthis possibllity.All sub-contract data will be clearly notated on your analytical report. Visit our web site atwww.energylab.comforadditional information,downloadable fee schedule,forms,and links. Eli1elrgy labolraltories ~Ii1C Workolrdelr Receopt Check~ist Denison Mines USA Corp 1111111111111111111111111111111111111111111111111111111 C09120896 Login completed by:Diane Downing Reviewed by: Reviewed Date: Date and Time Received:1213012009 9:20 AM Received by:al Carrier name:FedEx Shipping container/cooler in good condition? Custody seals Intact on shipping container/cooler? Custody seals intact on sample bottles? Chain of custody present? Chain of custody signed when relinquished and received? Chain of custody agrees with sample labels? Samples in proper container/bottle? Sample containers intact? Sufficient sample volume for indicated lest? All samples received within holding time? ContalnerfTemp Blank temperature: Water"VOA vials have zero headspace? Water·pH acceptable upon receipt? Contact and Corrective Action Comments: Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 NoD No 0 No 0 No 0 No 0 No 0 No D No 0 No 0 No 0 No 0 No 0 Not Present 0 Not Present 0 Not Present 0 No VOA vials submitted 0 NotApplicable 0 !F,,""!:7"':FYi'''Si;:Yi;y EMERGVLABORATORIES,INC.,,23938f)/1 Creek Highway (82601)·IW.Box 3268 •Casper,WY82602dfF!jj:;?ffX!J\(i!fiiJJ!;/'INI Free 888.235.0515 •30~235.0515 •Fax 30~234.1639 •easper(iJ'energylab.com·wWi1<ellergylab.eom A@J..-I~fit{~.__.,".._...._._." CLIENT:Denison Mines (USA)Corp Project:4th Quarter Chloroform Sample Delivery Group:C09120896 ORIGINAL SAMPLE SUBMITTAL(S) All original sample sLlbmittals have been returned with tl18 data package. Date:11-Jan-10 CASE NARRATIVE SAMPLE TEMPERATURE COMPLIANCE:4°C (±2°C) Temperature of samples received may not be considered properly preselved by accepted standards.Samples that are hand delivered immediately after collection shall be considered acceptable ifthere is evidence that the chilling process has begun. GROSS ALPHA ANALYSIS Method 900.0 for gross alpha and gross beta is intended as a drinking water method for low TDS waters.Data provided by this method for non potable waters sllOUJd be viewed as inconsistent. RADON IN AIR ANALYSIS The desired exposure time is 48 hours (2 days).The time delay in returning the canister to the laboratory for processing should be as short as possible to avoid excessive decay.Maximum recommended delay between end of exposure to beginning of counting should not exceed 8 days. SOIUSOLID SAMPLES All samples reported on an as received basis unless otherwise indicated. ATRAZINE,SIMAZINE AND PCB ANALYSIS Data for PCBs,Atrazine and Simazine are reported from EPA 525.2.PCB data reported by ELI refiects the results for seven individual Aroclors.When the resliits for all seven are ND (not detected),the sample meets EPA compliance criteria for PCB monitoring. SUBCONTRACTING ANALYSIS Subcontracting ofsample analyses to an outside laboratory may be required.If so,ENERGY LABORATORIES will utilize its branch laboratories or qualified contract laboratories for this service.Any such laboratories will be indicated within the Laboratory Analytical Reporl. BRANCH LABORATORY LOCATIONS eli-b -Energy laboratories,Inc.-Billings,MT eli-g -Energy Laboratories,Inc.-Gillette,WY eliMh M Energy Laboratories,Inc.-Helena,MT eli-r -Energy Laboratories,Inc.·Rapid City,SD eli-t ~Energy Laboratories,Inc.M College Station,TX CERTIFICATIONS: USEPA:WY00002,Radiochemical WY00937;FL-DOH NELAC:E87641,Radiochemical E871017;California:02118CA; Oregon:WY200001;Utah:3072350515;Virginia:00057;Washington:C1903 ISO 17025 DISCLAIMER: The results ofthis Analytical Reporl relate only to the items submitted for analysis. ENERGY LABORATORIES,INC.-CASPER,WY certifies that certain method selections contained in this report meet requirements as set forth by the above accrediting authorities.Some results requested by the client may not be covered under these certifications.All analysis data to be submitted for regulatory enforcement should be certified in the sample state of origin.Please verify Ell's certification coverage by Visiting www.energylab.com ELI appreciates the opportunity to provide you with this analytical service.For additional information and services visit our web page www.energylab.com. THIS IS THE FINAL PAGE OF THE LABORATORY ANALYTICAL REPORT ENERGY LASORATOf""!S,INC••2393Salt CreekHighway (82601)•P.O.P 'v3258 •Casper,WY82602 To//Free 888.235.0515·f '235.0515,Fax 307.234.1639 •casper@energy :om •www.energylab.com ANALYTICAL SUMMARY REPORT January 06,2010 Denison Mines (USA)Corp 6425 S Hwy 191 Blanding,UT 84511 Workorder No.:C09120811 Project Name:4th Quarter Chloroform Quote iD:C2975 -Chloroform Sampling Energy Laboratories,Inc,received the following 11 samples for Denison Mines (USA)Corp on 12/23/2009 for analysis. Sample ID Collect Date Receive Date Matrix Test C09120811-001 TWN-5R C09120811-002 TWN-10R C09120811-003 TWN-6R C09120811-004 TWN-18R C09120811-005 TWN-21R C09120811-006 TWN-5 C09120811-007 TWN-10 C09120811-008 TWN-6 C09120811-009 TWN-18 C09120811-010 TWN-21 C09120811-011 Trip Blank 12/21/0908:50 12/23/09 12/21/0914:39 12/23/09 12/21/0913:39 12/23/09 12/21/0909:59 12/23/09 12/21/0911:1712/23/09 12/22/0909:10 12/23/09 12/22/0909:1612/23/09 12/22/0900:00 12/23/09 Aqueous Aqueous Aqueous Aqueous Aqueous Aqueous Aqueous Aqueous Aqueous Aqueous Aqueous Chloride Nitrogen,Nitrate +Nitrite SW8260B vacs,Standard List Same As Above Same As Above Same As Above Same As Above Same As Above Same As Above Same As Above Same As Above Same As Above SW8260B vacs,Standard List -----.------_..~~~~~~~~~~~~~~- As appropriate,any exceptions or problems with the analyses are noted in the Laboratory Analytical Report,the QAlQC Summary Report,or the Case Narrative. Ifyou have any questions regarding these tests results,please call. Report Approved By:&~a..0 D·uJ&~e Step~nie D.Waldrop 0 Reporting Supervisor ENERGYLABORA T0F!'''9,INC••2393SailCreek Highway (82601)•P.O !1"v3258 •Casper,WY82602 TollFree 888.235.0515 .,?35.0515·Fax 307.234.1639 •casper@energy/i 'm •www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120811-001 TWN-5R Report Date:01/06/10 Collection Date:12/21/0908:50 DateReceived:12/23/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride NO mg/L 1 A4500-CI B 12/28/09 12:291ia Nitrogen,Nitrate+Nitrite as N NO mg/L 0.1 E353.2 12/29/0914:291 ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO uglL 1.0 SW8260B 12/29109 14:081 wen Chloroform NO ug/L 1.0 SW8260B 12/29109 14:081 wen Chloromethane NO ug/L 1.0 SW8260B 12/29/09 14:081 wen Methylene chloride NO ug/L 1.0 SW8260B 12/29109 14:081 wen Surr:Dibromofluoromethane 99.0 %REC 70-130 SW8260B 12/2910914:08/wen Surf:pMBromofluorobenzene 109 %REC 80-120 SW8260B 12/29109 14:081 wen Sure Toluene-dB 103 %REC 80-120 SW8260B 12/2910914:08/wen Surr:1,2-Dichlorobenzene-d4 104 %REC 80-120 SW8260B 12/29109 14:081 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel-Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORATO!7'"'c;,INC.•2393Sail Creek Highway(82601)•P.O,flo"3258 •Casper,WY82602 TollFree 888.235.0515 •,?35.0515 •Fax 307.234.1639 •casper@energy4 1m'www.energylab,com LASORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120811-002 TWN-10R Report Date: Coltection Date: DateReceived: Matrix: 01/06/10 12/21/0914:39 12/23/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride NO mglL 1 A4500-CI B 1212810912:311ja Nitrogen,Nitrate+Nitrite as N NO mglL 0,1 E353,2 12/29109 14:321jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1,0 SW8260B 12/29/0914:461 wen Chloroform NO ug/L 1,0 SW8260B 12/2910914:461 wen Chloromethane NO ug/L 1,0 SW8260B 12/29/0914:461 wen Methylene chloride NO ug/L 1,0 SW8260B 12/29/0914:461 wen Surr:Dibromofluoromethane 102 %REC 70-130 SW8260B 12/29/09 14:461wen Surr:p-Bromofluorobenzene 106 %REC 80-120 SW8260B 12/2910914:461 wen Surr:Toluene-dB 105 %REC 80-120 SW8260B 12/29/09 14:461wen SUfr:1,2-Dichlorobenzene-d4 103 %REC 80-120 SW8260B 12/29/09 14:461wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATOP'CS,INC••2393 Salt Craak Highway(82601)•PO.fh3258 •Caspar,WY82602 7011Fraa 888.235.0515 •235.0515 •Fax 307.234.1639 •caspar@anargy.om'www.anargylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chioroform C09120811-003 TWN-6R Report Date:01/06/10 Collection Date:12/21/0913:39 DateReceived:12/23/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride NO mg/L 1 A4500-CI B 12/28/09 12:321ia Nitrogen,Nitrate+Nitrite as N NO mg/L 0.1 E353.2 12/29/09 14:34/ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/29/09 15:24 /wen Chloroform NO ug/L 1.0 SW8260B 12/29/09 15:241 wen Chloromethane NO ug/L 1.0 SW8260B 12/29/09 15:241 wen Methylene chloride NO ug/L 1.0 SW8260B 12/29/09 15:24/wen Surf:Dibromofluoromethane 99.0 %REC 70-130 SW8260B 12/29/0915:241 wen Surr:p-Bromofluorobenzene 102 %REC 80-120 SW8260B 12/29/09 15:24/wen Surf:Toluene-dB 102 %REC 80-120 SW8260B 12/29/0915:241 wen Surr:1,2~Dichlorobenzene-d4 103 %REC 80-120 SW8260B 12/29/09 15:241 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. MeL -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATOP"=S,INC••2393SailCreek Highway (8260 I)•P.0.p,v3258 •Casper,WY82602 TollFree 888.235.0515 •(235.0515 •Fax 307.234.1639 •casper@energy.om'www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120811-004 TWN-18R Report Date:01/06/10 Collection Date:12/21/0909:59 DateReceived:12/23109 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis DateI By MAJOR IONS Chloride NO mglL 1 A4500-CI B 1212810913:14 I ja Nitrogen,Nitrate+Nitrite as N NO mglL 0.1 E353.2 1212910914:37 I ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO uglL 1.0 SW8260B 12129109 16:02 I wen Chloroform NO ug/L 1.0 SW8260B 12/2910916:021 wen Chloromethane NO ug/L 1.0 SW8260B 12/2910916:021 wen Methylene chloride NO ug/L 1.0 SW8260B 12/2910916:021 wen Surr:Dibromofluoromethane 97.0 %REC 70-130 SW8260B 12/29/0916:021 wen Surr:p-Bromofluorobenzene 105 %REC 80-120 SW8260B 12/29/09 16:021 wen Surr:Toluene-dB 103 %REC 80-120 SW8260B 12/29/09 16:02/wen Surr:1,2-Dichlorobenzene-d4 104 %REC 80-120 SW8260B 12/29/09 16:02/wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATOP''''S,INC••2393Sal/CreekHighway (82601)•P.O.80v3258 •Casper,WY82602 Toll Free 888.235.0515 •235.0515 •Fax 307.234.1639 •casper@energjli Jm •www.energylab.com LASaRATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120811-005 TWN-21R Report Date:01106/10 Collection Date:12/21/0911:17 DateReceived:12/23/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 1 mglL 1 A4500-CI B 12/28/0913:20 I ja Nitrogen,Nitrate+Nitrite as N NO mglL 0.1 E353.2 12/29/0914:391 jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/29/0916:40 I wen Chloroform NO u9/L 1.0 SW8260B 12/29/09 16:40 I wen Chloromethane NO ug/L 1.0 SW8260B 12/29/09 16:40 I wen Methylene chloride NO ug/L 1.0 SW8260B 12/29/09 16:40 I wen Surr:Dibromofluoromethane 98.0 %REC 70-130 SW8260B 12/29/0916:40 I wen Surr:p-Bromofluorobenzene 106 %REC 80-120 SW8260B 12/29/0916:40 I wen Surr:Toluene~d8 105 %REC 80-120 SW8260B 12/29/09 16:40 I wen Surr:1,2-Dichlorobenzene-d4 104 %REC 80-120 SW8260B 12/29/09 16:40 I wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORATOI1"=S,INC.•2393 Sail CreekHighway(82601)•P.O.8 M 3258 •Casper,WY82602 Toll Free 888.235.0515 •(?35.0515 •Fax 307.234.1639 •casper@energy/)m'www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120811-006 TWN-5 Report Date: Collection Date: DateReceived: Matrix: 01/06/10 12/22/0909:10 12/23109 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 41 mg/L 1 A4500-CI B 12/2810913:241ja Nitrogen,Nitrate+Nitrite as N 7.5 mg/L 0.2 E353.2 12/29/0914:491ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/29/0917:19/wen Chloroform 8.5 ug/L 1.0 SW8260B 12/29/0917:19/wen Chloromethane NO ug/L 1.0 SW8260B 12/29/0917:19/wen Methylene chloride NO ug/L 1.0 SW8260B 12/29/0917:191 wen Surr:Dibromofluoromethane 102 %REC 70-130 SW8260B 12/29/0917:19/wen Surr:pMBromofluorobenzene 104 %REC 80-120 SW8260B 12/29/0917:19/wen Surr:Toluene-dB 103 %REC 80-120 SW8260B 12/29/0917:19/wen Surr:1,2-DichlorobenzeneMd4 106 %REC 80-120 SW8260B 12/29/0917:19/wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORAT08'~S,INC.•2393 Sail Creek Highway (82601)•P.O.B~v 3258 •Casper,WY82602 Toll Free 888.235.0515 • ,?35.0515·Fax 307.234.1639 •casper@energyl Jm •www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120811·007 TWN·10 Report Date:01/06110 Collection Date:12/22/0909:16 DateReceived:12/23/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 51 mglL 1 A4500·CI B 12/28/09 13:26 I ia Nitrogen,Nitrate+Nitrite as N 3.5 mglL 0.2 E353.2 12/29/09 14:52 /ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 SW8260B 12/29/09 17:58/wen Chloroform 300 U9/L 100 SW8260B 12/30/0917:10 I wen Chloromethane ND U9/L 1.0 SW8260B 12/29/0917:58/wen Methylene chloride ND ug/L 1.0 SW8260B 12/29/0917:581 wen Surr:DibromofJuoromethane 100 %REC 70·130 SW8260B 12/29/09 17:58/wen Surr:p-Bromofluorobenzene 105 %REC 80·120 SW8260B 12/29/0917:581 wen Surr:Toluene-dB 103 %REC 80·120 SW8260B 12/29/09 17:58/wen Surr:1,2~Dichlorobenzene-d4 106 %REC 80·120 SW8260B 12/29/09 17:581 wen Report Definitions: RL -Analyte reporting limit. OCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATOR't:.S,INC••2393Sal/CreekHighway (82601)'p.D.Bf'V3258 •Casper,WY82602 TollFree 868.235.0515 •,'35.0515·Fax 307.234.1639 •casper@energy/.>m •www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chioroform C09120811-008 TWN-6 Report Date: Collection Date: DateReceived: Matrix: 01/06/10 12/22/0908:58 12123109 Aqueous ----_._-_., MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 41 mglL 1 A4500-CI B 12128109 13:281 ia Nitrogen,Nitrate+Nitrite as N 6.1 mglL 0.2 E353.2 1212910914:541ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO uglL 1.0 SW8260B 12129109 18:381wen Chloroform 250 uglL 100 SW8260B 12130109 17:50I wen Chloromethane NO uglL 1.0 SW8260B 12129109 18:381wen Methylene chloride NO uglL 1.0 SW8260B 12129109 18:381wen Surf:Dibromofluoromethane 108 %REC 70-130 SW8260B 12129109 18:381wen Surr:p-Bromofluorobenzene 106 %REC 80-120 SW8260B 12129109 18:381wen Surf:Toluene-dB 101 %REC 80-120 SW8260B 12129109 18:381wen Surr:1,2-Dichlorobenzene-d4 105 %REC 80-120 SW8260B 12129109 18:381wen Report Definitions: RL -Analyte reporting limit. QCL ~Quality control limit. Mel-Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATOR""S,INC.•2393Sail CreekHighway (82601)'p.D.B~v3258 •Casper,WY82602 Toll Free 888.235.0515 •,?35.0515·Fax 307.234.1639 •casper@energyk 1m'www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120811-009 TWN-18 Report Date: Collection Date: DateReceived: Matrix: 01/06/10 12/22/09 08:26 12/23/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 30 mg/L 1 A4500-CI B 12/28/09 13:291 ia Nitrogen,Nitrate+Nitrite as N 5.4 mg/L 0.2 E353.2 12/29/0914:571 ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 SW8260B 12/29/0919:18/wen Chloroform 8.2 ug/L 1.0 SW8260B 12/29/0919:18/wen Chloromethane ND ug/L 1.0 SW8260B 12/29/0919:181 wen Methylene chloride ND ug/L 1.0 SW8260B 12/29/0919:18/wen Surr:Dibromofluoromethane 104 %REC 70-130 SW8260B 12/29/0919:18/wen Surr:p-Bromofluorobenzene 108 %REC 80-120 SW8260B 12/29/0919:18/wen Surr:Toluene-dB 104 %REC 80-120 SW8260B 12/29/0919:18/wen Surr:1,2-Dichlorobenzene-d4 106 %REC 80-120 SW8260B 12/29/0919:18/wen Report Definitions: RL ~Analyte reporting limit. OCL -Quality control limit. Mel-Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORATO!1'c.'>,INC••2393Sail CreekHighway (82601)•Po.Bev3258 •Casper,WY82602 TollFree 888.235.0515 •L ?35.0515·Fax 307.234.1639 •casper@energyh Jm •www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120811-010 TWN-21 Report Date:01106/10 Collection Date:12122/0908:45 DateReceived:12/23109 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 256 mglL 1 A4500-CI B 12/28/09 13:33/ja Nitrogen,Nitrate+Nitrlte as N 8.4 mglL 0.2 E353.2 12/29/09 15:09 I ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/29/0919:581 wen Chloroform 160 ug/L 100 SW8260B 12/30/0918:27/wen Chloromethane NO ug/L 1.0 SW8260B 12/29109 19:58/wen Methylene chloride NO ug/L 1.0 SW8260B 12/29/09 19:58/wen Surr:Dlbromofluoromethane 111 %REC 70-130 SW8260B 12/29109 19:58/wen Surr:p-Bromofluorobenzene 108 %REC 80-120 SW8260B 12/29/09 19:58 I wen Surr:Toluene-dB 103 %REC 80-120 SW8260B 12/29/09 19:58 I wen Surr:1,2-Dichlorobenzene-d4 106 %REC 80-120 SW8260B 12/29/0919:581 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATORIC<;,INC••2393 Sail Creek Highway (82601)•P.0.Brv .1258 •Casper,WY82602 milFree 888.235.0515 •,'35.0515 •Fax 307.234.1639 •casper@energyli 'In'www.energylab.co'ln LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120811-011 Trip Blank Report Date: Collection Date: DateReceived: Matrix: 01/06/10 12/22109 12/23109 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/29/0920:37 I wen Chloroform NO ug/L 1.0 SW8260B 12/29/09 20:37 I wen Chloromethane NO uglL 1.0 SW8260B 12/29/0920:37 I wen Methylene chloride NO ugiL 1.0 SW8260B 12/2910920:37 I wen Surr:DibromofJuoromethane 107 %REC 70-130 SW8260B 12129/0920:37 I wen Surr:p-Bromofluorobenzene 107 %REC 80-120 SW8260B 12129/0920:37 I wen Surr:Toluene-dB 103 %REC 80-120 SW8260B 12/29/0920:37 I wen Surr:1,2-Dichlorobenzene-d4 105 %REC 80-120 SW8260B 12/2910920:37 I wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORA TOR''''c;,INC.•2393Sail Creek Highway(82601)'PO.Ef~"3258 •Casper,WY82602 TollFree 888.235.0515 •,.'35.0515 •Fax 307.234.1639 •casper@energyli m'www.energylab.com QA/QC Summary Report Client:Denison Mines (USA)Corp Report Date:01/06/10 Project:4th Quarter Chloroform Work Order:C09120811 Analyte Count Result Units RL %REC Low Limit High Limit RPO RPOLimit Qu:l Method:A4500·CI B Batch:091228-CL-TTR·W Sample 10:MBLK9-091228 Method Blank Run:TITRATION_091228A 12/28/0909:49 Chloride NO mg/L 0:4 Sample 10:LCS35-091228 Laboratory Control Sample Run:TITRATION_091228A 12/28/0910:57 Chloride 3530 mg/L 1.0 100 90 110 Sample 10:C09120811-004AMS Sample Matrix Spike Run:TITRATION_091228A 12/28/0913:16 Chloride 35.0 mg/L 1.0 99 90 110 Sample 10:C09120811-004AMS Sample Matrix Spike Duplicate Run:TITRATION_091228A 12/28/0913:18 Chloride 35.7 mg/L 1.0 101 90 110 2 10 Sample 10:C09120811-010AMS Sample Matrix Spike Run:TITRATION_091228A 12/28/0913:35 Chloride 1140 mg/L 1.0 100 90 110 Sample 10:C09120811-010AMS Sample Matrix Spike Duplicate Run:TITRATION_091228A 12/28/0913:37 Chloride 1160 mg/L 1.0 102 90 110 1.5 10 Method:E353.2 Batch:R128102 Sample 10:MBLK-1 Method Blank Run:TECHNICON_091229A 12/29/09 11 :50 Nitrogen,Nitrate+Nitrite as N ND mg/L 0.03 Sample 10:LCS-2 Laboratory Control Sample Run:TECHNICON_091229A 12/2910911 :54 Nitrogen,Nitrate+Nitrite as N 2.61 mg/L 0.10 102 90 110 Sample 10:C09120796-001AMS Sample Matrix Spike Run:TECHNICON_091229A 12/29/0914:22 Nitrogen,Nitrate+Nitrite as N 2.12 mg/L 0.10 104 90 110 Sample 10:C09120796-001AMSO Sample Matrix Spike Duplicate Run:TECHNICON_091229A 12/29/0914:24 Nitrogen,Nitrate+Nltrite as N 2.07 mg/L 0.10 101 90 110 2.4 10 Sample 10:C09120833-001AMS Sample Matrix Spike Run:TECHNICON_091229A 12/29/09 15:02 Nitrogen,Nitrate+Nitrlte as N 1.95 mg/L 0.10 94 90 110 Sample ID:C09120833-001AMSD Sample Matrix Spike Duplicate Run:TECHNICON_091229A 12/29/0915:04 Nitrogen,Nitrate+Nitrite as N 1.96 mg/L 0.10 94 90 110 0.5 10 Qualifiers: RL ~Analyte reporting limit.NO -Not detected at the reporting limit. ENERGYLABORATORIF~INC••2393SaltCreekHighway(82601)•P.O.80("'58 •Casper,WY82602 TollFree 888.235.0515 •30.5.0515 •Fax 307.234.1639 •casper@energylalJ.•www.energylab.com QAlQC Summary Report Client:Denison Mines (USA)Corp Project:4th Quarter Chloroform Report Date:12131109 Work Order:C09120811 IAnalyle Result Units RL %REC Low Limit High Limit RPO RPDLimit Qual Method:SW8260B Batch:R128172 Sample 10:29-0ec·09_LCS_3 Laboratory Control Sample Run:GCMS2_091229A 12/29/09 11 :28 Carbon tetrachloride 9.9 ug/L 1.0 99 70 130 Chloroform 10 ug/L 1.0 103 70 130 Chloromethane 8.6 uglL 1.0 86 70 130 Methylene chloride 9.6 ug/L 1.0 96 70 130 Surf:Dibromofluoromethane 1.0 104 70 130 Surr:p-Bromofluorobenzene 1.0 98 80 130 Surr:Toluene-dB 1.0 106 80 120 Surr:1,2-Dichlorobenzene-d4 1.0 103 80 120 Sample ID:29-0ec-09_MBLK_6 Method Blank Run:GCMS2_091229A 12129/0913:30 Carbon tetrachloride NO ug/L 1.0 Chloroform NO ug/L 1.0 Chloromethane NO uglL 1.0 Methylene chloride NO ug/L 1.0 Surf:Dibromofluoromethane 1.0 102 70 130 Surr:p-Bromofluorobenzene 1.0 110 80 120 Surf:Toluene-dB 1.0 106 80 120 Surr:1,2-DichJorobenzene-d4 1.0 106 80 120 Sample 10:C09120775-001AMS Sample Matrix Spike Run:GCMS2_091229A 12/29/0921:55 Carbon tetrachloride 980 ug/L 100 98 70 130 Chloroform 1100 ug/L 100 105 70 130 Chloromethane 930 ug/L 100 93 70 130 Methylene chloride 1000 uglL 100 101 70 130 Surr:DibromofJuoromethane 100 103 70 130 Surr:p-Bromofluorobenzene 100 97 80 120 Surr:Toluene-dB 100 105 80 120 Surr:1,2-0ichlorobenzene-d4 100 104 80 120 Sample ID:C09120775-001AMSO Sample Matrix Spike Duplicate Run:GCMS2_091229A 12129/0922:34 Carbon tetrachloride 1000 ug/L 100 104 70 130 5.9 20 Chloroform 1100 ug/L 100 111 70 130 5.5 20 Chloromethane 960 ug/L 100 96 70 130 3 20 Methylene chloride 1000 ug/L 100 104 70 130 3.1 20 Surr:Dibromofluoromethane 100 104 70 130 0 10 Surr:p-Bromofluorobenzene 100 99 80 120 0 10 Surr:Toluene-dB 100 106 80 120 0 10 Surr:1,2-DichJorobenzene~d4 100 105 80 120 0 10 Sample ID:30-0ec-09_LCS_3 Laboratory Control Sample Run:GCMS2_091229A 12/30/0910:21 Carbon tetrachloride 10 ug/L 1.0 102 70 130 Chloroform 11 ug/L 1.0 108 70 130 Chloromethane 9.0 ug/L 1.0 90 70 130 Methylene chloride 10 ug/L 1.0 105 70 130 ----_.._- Qualifiers: RL -Analyte reporting limit.NO -Not detected at the reporting limit. ENERG YLABORATORIS"INC..2393Saft Creek Highway (82601)•P.0.Boy 0"58 •Casper,WY82602rolfFree888.235.0515 •3rJ.1.0515'Fax 301.234.1639 •casper@energylatf.•www.energylab.com QAlQC Summary Report Client:Denison Mines (USA)Corp Project:4th Quarter Chloroform Report Date:12/31109 Work Order:C09120811 rIAnalyte Result Units RL %REC Low Limit High Limit RPO RPDLimit Qual I Method:SW8260B Batch:R128172 Sample 10:30·0ec-09_LCS_3 Laboratory Control Sample Run:GCMS2_091229A 12/30/0910:21 Surr:Dibromofluoromethane 1.0 108 70 130 SUff:p~Bromofluorobenzene 1.0 106 80 130 Surr:Toluene-dB 1.0 108 80 120 Surr:1,2-Dichlorobenzene-d4 1.0 105 80 120 Sample 10:30-0ec-09_MBLK_6 Method Blank Run:GCMS2_091229A 12/30/0912:40 Carbon tetrachloride NO ug/L 1.0 Chloroform NO ug/L 1.0 Chloromethane NO ug/L 1.0 Methylene chloride NO ug/L 1.0 Surr:Dibromofluoromethane 1.0 99 70 130 Surr:p-Bromofluorobenzene 1.0 109 80 120 Surr:TolueneMd8 1.0 105 80 120 Surr:1,2-Dichlorobenzene-d4 1.0 103 80 120 Sample ID:C09120811-010CMS Sample Matrix Spike Run:GCMS2_091229A 12/3010920:26 Carbon tetrachloride 1100 ug/L 100 114 70 130 Chloroform 1300 ug/L 100 111 70 130 Chloromethane 780 ug/L 100 78 70 130 Methylene chloride 880 ug/L 100 88 70 130 Surr:Dibromofluoromethane 100 104 70 130 Surr:p-Bromofluorobenzene 100 100 80 120 Surr:Toluene-dB 100 104 80 120 Surr:1,2-Dichlorobenzene-d4 100 102 80 120 Sample ID:C09120811-010CMSO Sample Matrix Spike Duplicate Run:GCMS2_091229A 12/3010921:06 Carbon tetrachloride 1200 ug/L 100 117 70 130 2.8 20 Chloroform 1300 ug/L 100 116 70 130 3.7 20 Chloromethane 780 ug/L 100 78 70 130 1 20 Methylene chloride 880 ug/L 100 88 70 130 0.9 20 Surr:Dibromofluoromethane 100 102 70 130 0 10 Surf:p-Bromofluorobenzene 100 102 80 120 0 10 Surr:Toluene-dB 100 106 80 120 0 10 Surr:1,2-Dichlorobenzene-d4 100 101 80 120 0 10 Qualifiers: RL -Analyte reporting limit.ND -Not detected at the reporting limit. 1_...."....._......."I I .....V .............................••................................................ comD::r1 ~()JJ (YJ /Adfj-<"PjfIJ Name ,~;S,~~t;;~/11t Sample Origin EPA/State Compliance: State:U-r Yes 0 No 0 Report Ma~.d$~ssB,?'JX g~r c0;z;;me4,/,ucL PhO~;r It§Email:Sampler:(Please Print) II2I1-AI AI1)-,-(,~L;fAf %I.fslf # Invoice Address:j Invoide Contact &Phone:Purchase Order:Quote/Bottle Order: ;::;'alM~~~ Special Report/Formats:&"[J:!]&"[1)J@O@ [KJ[]l®(\[J~'iJ'[]l[Q)..Contact ELI prior to Shipped by: S RUSH sample submittal0Q;~O(J)£~;::-for charges and Cooler lD(s): ~CO~OI2 0 ;::R scheduling -See Cfr'-eAf0_>°>-ro W Instruction PageDOWDEOO/EOT(Electronic Data)l'l(J)(J)'"SCU>(J)I05:=~C':l ~"0 ReceiP~pDPOTW/wWTP Format:u °ae:0 <::Comments:_«0)105132 OJ UDState:D LEVEL IV o ~<::,~<{e °co.Q)e:0-I-m~~co.QODOther:D NELAC ~F'Slro '~<::('0'5 On Ice: :::J Q)-=Q)5:l-Szo..«l~o W -e Custody Seal g~E >1 ~W m On BoUIe'"(j)"0(J)<::On CoolergjHIntact SAMPLE IDENTIFICATION Collection Collection MATRIX Signature 0 N(Name,Location,Interval,etc.)Date Time Match f-wN"-5!2-1/2 -2f ·07 fH60 6--Y0 !)(~ '-rwtV.--/tf IL 1/·2/·01 14:s1 I 'f ~CCAI2-D'"6 \) TWill"t £.Oll.tJ1 13.3'Q ('f..\Ql Hn" ':orII./N"/J(t2..'1·'1.(.09 M,$'"1 )Ix @))<=g YwI'I-z./tl If7.J1./J9 II 11 /IX ~ TWIt/-,'5'17 ·7.1.tff /Jqll'J I IX ~ JrIAJN"J()7?n.m f'J1 r1J07i p \'y,Iq,,"'I/Ie;TIM....rIlJ£~ Y"IVN'!"'J.n·/)d8hf5 )Ix •~0 -rWN,,/f(1f7..22-tJ IMJ..~I IX ao.,:;; JJrI1J11/"&I /1.-22,tfI 1~)(l(S-.5~W r'X.1/"\-r,.;~.{"Jh y (~...-~"" Custody Ke~by (pc;nt12.1 ~Da7?~~7_1r ,2',-at 7L'/Received by (print)"DalefTime:"'I 1fi(3-07 Signature: Jl .1RecordRelinquisryooy(print):Date/Time:,/SignalUl'e"Received by (print)"DatelTime:Signature MUST be Signed 117L1V~;,r.«L3DoralOry:Ie ua:Q'~.)Cf /d'30~:------Samole 015005al:Return toClient:Lab Disposal:'''''A~)<!l--0 ~.:.-----,,-- This serves as notice of this possibility.All sub-contract data will be clearly notated on your analytical report. Visit our web site at www.energylab.com for additional information,downloadable fee schedule,forms,and links. Energy Laboratories Inc Workorder Receipt Checklist Denison Mines USA Corp I11111111111111111111111111111111111111111111111111111I C09120811 Login completed by:Halley Ackerman Reviewed by: Reviewed Date: Date and Time Received:12/23/200910:50 AM Received by:al Carrier name:FedEx Shipping container/cooler in good condition? Custody seals intact on shipping container/cooler? Custody seals intact on sample bottles? Chain of custody present? Chain of custody signed when relinquished and received? Chain of custody agrees with sample labels? Samples in proper container/bottle? Sample containers intact? Sufficient sample volume for indicated test? All samples received within holding time? ContainerfTemp Blank temperature: Water -VOA vials have zero headspace? Water M pH acceptable upon receipt? Contact and Corrective Action Comments: None Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 4'C On Ice Yes 0 Yes 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 Not Present 0 Not Present 0 Not Present 0 No VOA vials submitted 0 NotApplicable 0 ENERGYLABORA T0!1''''c;,INC.•2393SailCreek Highway (82601)•P.D.E!""3258 •Casper,WY82602 TollFree 888.235.0515 •,'35.0515 •Fax 307.234.1639 •casper@energyl,'m •www.energylab.com CLIENT:Denison Mines (USA)Corp Project:4th Quarter Chloroform Sample Delivery Group:C09120811 ORIGINAL SAMPLE SUBMITIAL(S) All original sample submittals have been returned with the data package. Date:06-Jan-10 CASE NARRATIVE SAMPLE TEMPERATURE COMPLIANCE:4°C (±2°C) Temperature of samples received may not be considered properly preserved by accepted standards.Samples that are hand delivered immediately after collection shall be considered acceptable ifthere is evidence that the chilling process has begun. GROSS ALPHA ANALYSIS Method 900.0 for gross alpha and gross beta is intended as a drinking water method for low TDS waters.Data provided by this method for non potable waters should be viewed as inconsistent. RADON IN AIR ANALYSIS The desired exposure time is 48 hours (2 days).The time delay in returning the canister to the laboratory for processing should be as short as possible to avoid excessive decay.Maximum recommended delay between end ofexposure to beginning ofcounting should not exceed 8 days. SOIUSOLID SAMPLES All samples reported on an as received basis unless otherwise indicated. ATRAZINE, SIMAZINE AND PCB ANALYSIS Data for PCBs,Atrazine and Simazine are reported from EPA 525.2.PCB data reported by ELI reflects the results for seven individual Aroclors.When the results for all seven are NO (not detected),the sample meets EPA compliance criteria for PCB monitoring. SUBCONTRACTING ANALYSIS Subcontracting of sample analyses to an outside laboratory may be required.If so,ENERGY LABORATORIES will utilize its branch laboratories or qualified contract laboratories for this service.Any such laboratories will be indicated within the Laboratory Analytical Report. BRANCH LABORATORY LOCATIONS eli-b -Energy Laboratories,Inc.-Billings,MT eli-g -Energy Laboratories,Inc.-Gillette,WY eli-h -Energy Laboratories,Inc.-Helena,MT eli-r -Energy Laboratories,Inc.-Rapid City,SO eli-t -Energy Laboratories,Inc.-College Station,TX CERTIFICATIONS: USEPA:WY00002,Radiochemical WY00937;FL-DOH NELAC:E87641,Radiochemical E871017;California:02118CA; Oregon:WY200001;Utah:3072350515;Virginia:00057;Washington:C1903 ISO 17025 DISCLAIMER: The results ofthis Analytical Report relate only to the items submitted for analysis. ENERGY LABORATORIES,INC.-CASPER,WY certifies that certain method selections contained in this report meet requirements as set forth by the above accrediting authorities.Some results requested by the client may not be covered under these certifications.All analysis data to be submitted for regulatory enforcement should be certified in the sample state oforigin.Please verify ELI's certification coverage by visiting www.energylab.com ELI appreciates the opportunity to provide you with this analytical service.For additional information and services visit our web page www.energylab.com. THIS IS THE FINAL PAGE OF THE LABORATORY ANALYTICAL REPORT ENERGYLABORATO ~s,INC..2393 Sail Creek Highway (82601)•P.O,3258 •Casper,WY82602 Toll Free 888.235.0515 •,235.0515 •Fax 307.234.1639 •casper@energy"com'www.energylab,com ANALYTICAL SUMMARY REPORT January 06,2010 Denison Mines (USA)Corp 6425 S Hwy 191 Blanding,UT 84511 Workorder No,:C09120647 Project Name:4th Quarter Chloroform Quote iD:C2975 -Chioroform Sampling Energy Laboratories,Inc,received the following 28 samples for Denison Mines (USA)Corp on 12/18/2009 for analysis, --~~~~~~------------ Sample ID Client Sample ID Collect Date Receive Date Matrix Test C09120647-001 TW4-15 12/14/0914:20 12/18/09 Aqueous Chloride Nitrogen,Nitrate +Nitrite SW8260B vacs,Standard List---- C09120647-002 MW-4 12/14/0914:00 12/18/09 Aqueous Same As Above C09120647-003 TW4-19 12/14/0915:50 12/18/09 Aqueous Same As Above C09120647-004 TW4-20 12/14/0913:25 12/18/09 Aqueous Same As Above C09120647-005 TW4-3R 12/15/09 08:20 12/18/09 Aqueous Same As Above C09120647-006 TW4-12R 12/15/09 09:40 12/18/09 Aqueous Same As Above C09120647-007 TW4-13R 12/15/0911:1512/18/09 Aqueous Same As Above C09120647-008 TW4-14R 12/15/0913:1312/18/09 Aqueous Same As Above---_.._....__.•..•..._._.. C09120647-009 TW4-25R 12/15/09 15:55 12/18/09 Aqueous Same As Above-_..•....~....•_..._.._..-._,._._._~-~ C09120647-010 TW4-23R 12/15/0914:1212/18/09 Aqueous Same As Above C09120647-011 TW4-3 12/16/09 10:07 12/18109 Aqueous Same As Above C09120647-012 TW4-12 12/16/09 08:27 12/18/09 Aqueous Same As Above C09120647-013 TW4-13 12/16/09 08:36 12/18/09 Aqueous Same As Above C09120647-014 TW4-14 12/16/09 08:45 12/18/09 Aqueous Same As Above C09120647-015 TW4-17 12/16/09 13:46 12/18/09 Aqueous Same As Above C09120647-016 TW4-23 12/16/0909:57 12/18/09 Aqueous Same As Above C09120647-017 TW4-25 12/16/0907:41 12/18/09 Aqueous Same As Above C09120647-018 TW4-8 12/1710909:3012/18/09 Aqueous Same As Above C09120647-019 TW4-9 12/1710909:2212/18/09 Aqueous Same As Above C09120647-020 TW4-16 12/17109 09:40 12/18/09 Aqueous Same As Above C09120647-021 TW4-24 12/1710909:0612/18/09 Aqueous Same As Above C09120647-022 TW4-8R 12/16/09 10:54 12/18/09 Aqueous Same As Above C09120647-023 TW4-9R 12/16/0912:45 12/18/09 Aqueous Same As Above C09120647-024 TW4-16R 12/16/0914:3212/18/09 Aqueous Same As Above ENERGY LABORATq·"'s,INC••2393 SaltCreek Highway (82601)•P.0,·3258'Casper,WY82602 TollFrea 888.235.0515 •:235.0515 •Fax 307.234.1639 •casper@energy,•.com·www.energylab.com ANALYTICAL SUMMARY REPORT ----------~-------------------------- C09120647-025 TW4-24R C09120647-026 TW4-60 C09120647-027 TW4-65 C09120647-028 Trip Blank 12/16/09 16:15 12/18/09 12/17/0910:00 12/18/09 12/16/09 13:46 12/18/09 12/17/0900:0012/18109 Aqueous Aqueous Aqueous Aqueous Same As Above Same As Above Same As Above SW8260B vacs,Standard List As appropriate,any exceptions or problems with the analyses are noted in the Laboratory Analytical Report,the QNQC Summary Report,or the Case Narrative. If you have any questions regarding these tests results,please call. ReportApproved By: ENERGYLABORATQ"'~s,INC••2393 Salt Creek Highway (82601)•RO,.3258 •Casper,WY82602 TollFree 888.235.0515 •.235.0515 •Fax 307.234.1639 •casper@energf,.com'www.energylab.comPll!#fl'lb'f 'ft.f;-i"Mfi.ml¥'"------------------------------------------- LASORATORY ANALYTICAL REPORT Client: Project: Lab 10: ClientSample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-001 TW4-15 Report Date:01/06/10 Collection Date:12/14/0914:20 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 60 mg/L 1 A4500-CI B 12/28/0910:511ia Nitrogen,Nitrate+Nitrite as N 2.3 m9/L 0.1 E353.2 12/28/09 13:221ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 SW8260B 12/21/0916:461 ilr Chloroform 1100 ug/L 500 SW8260B 12/23/09 13:20 I wen Chloromethane ND ug/L 1.0 SW8260B 12/21/0916:461 ilr Methylene chloride 40 ug/L 1.0 SW8260B 12/21/0916:461 ilr Surr:Dibromofluoromethane 103 %REC 70-130 SW8260B 12/21/0916:461 ilr Surr:p-Bromofluorobenzene 103 %REC 80-120 SW8260B 12/21/0916:461 ilr Surr:Toluene-dB 99.0 %REC 80-120 SW8260B 12/21/0916:461 ilr Surr:1,2~Dichlorobenzene-d4 109 %REC 80-120 SW8260B 12/21/0916:461 ilr Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATO~'-:S,INC••2393SailCreek Highway (82601)•PO..3258 •Casper,WY82602 TollFree 888.235.0515 •.235.0515 •Fax 307.234.1639 •casper@energy,""'Om'www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-002 MW-4 Report Date:01106/10 Collection Date:12/14/0914:00 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 44 mg/L 1 A4500-CI B 12/28/09 11 :03 /ia Nitrogen,Nitrate+Nitrite as N 5.8 mg/L 0.2 E353.2 12/28/09 13:25/ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride 1.6 ug/L 1.0 SW8260B 12/22/09 04:36/ilr Chloroform 1800 ug/L 100 SW8260B 12121/0915:00/jlr Chloromethane ND ug/L 1.0 SW8260B 12/22/09 04:36/jlr Methylene chloride ND ug/L 1.0 SW8260B 12/22/0904:36/jlr Surr:Dibromofluoromethane 107 %REC 70-130 SW8260B 12/22/0904:36/jlr Surr:pMBromofluorobenzene 105 %REC 80-120 SW8260B 12/22/0904:36/jlr Surr:Toluene-dB 100 %REC 80-120 SW8260B 12122/0904:361jlr Surr:1,2-Dichlorobenzene-d4 111 %REC 80-120 SW8260B 12/22/0904:36/jlr Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel M Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATOr-"'s,INC_-2393SaIICreekHighway(82601)'P.D.:''3258'Casper,WY82602 lOllFree 888.235.0515 •.235.0515 •Fax 307.234.1639 -casper@energy,.X1m'www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-003 TW4-19 Report Date:01/06/10 Collection Date:12/14/0915:50 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 124 mg/L 1 A4500-CI B 12/28/09 11:04 /ja Nitrogen,Nitrate+Nitrite as N 26.7 mg/L 0.2 E353.2 12/28/09 13:27/jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride 16 ug/L 1.0 SW8260B 12/22/0905:12/jlr Chloroform 4700 ug/L 1000 SW8260B 12/23/09 13:55/wen Chloromethane ND ug/L 1.0 SW8260B 12/22/0905:12/jlr Methylene chloride ND ug/L 1.0 SW8260B 12/22/0905:12/jlr Surr:Dibromoftuoromethane 93.0 %REC 70-130 SW8260B 12/22/0905:12/jlr Surr:p~Bromofluorobenzene 105 %REC 80-120 SW8260B 12/22/0905:12/jlr Surr:Toluene-dB 102 %REC 80-120 SW8260B 12/22/0905:12/jlr Surr:1,2-Dichlorobenzene-d4 108 %REC 80-120 SW8260B 12/22/0905:12/jlr Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATOF'''S,INC.,2393Sail CreekHighway (82601)•P.O./'3258'Casper,WY82602 Toll Free 888.235.0515 •235.0515 •Fax 307.234.1639 •casper@energy../om'www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-004 TW4-20 Report Date:01106110 Collection Date:12/14/09 13:25 DateReceived:12/18109 Matrix:Aqueous MCL! Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 187 mg/L 1 A4500-CI B 12/28/09 11 :061 ia Nitrogen,Nitrate+Nitrite as N 5.3 mg/L 0.1 E353.2 12/28/09 13:30 I ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride 14 ug/L 1.0 SW8260B 12/22/0905:471ilr Chloroform 15000 ug/L 1000 SW8260B 12/23/0914:30 I wen Chloromethane ND ug/L 1.0 SW8260B 12122/09 05:47 I ilr Methylene chloride 3.0 ug/L 1.0 SW8260B 12/22/09 05:47 I ilr Surr:Dibromofluoromethane 66.0 %REC S 70-130 SW8260B 12/22/0905:471jlr Surr:p-Bromofluorobenzene 106 %REC 80-120 SW8260B 12/22/0905:471ilr Surr:Toluene-dB 104 %REC 80-120 SW8260B 12/22/09 05:47 I ilr Surr:1,2-Dichlorobenzene-d4 107 %REC 80-120 SW8260B 12/22/09 05:47 1ilr Report Definitions: RL -Analyte reporting limit. Qel -Quality control limit. S -Spike recovery outside of advisory limits. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATCJP'~S,INC••2393Sail CreekHighway (82601)'PD.r ·3258·Casper,WY82602 Toll Free 888.235.0515 •235.0515 •Fax 307.234.1639 •casper@energy,.om'www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-005 TW4-3R Report Date:01/06/10 Collection Date:12/15/09 08:20 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride ND mglL 1 A4500-CI B 12/28/09 11 :081 ja Nitrogen,Nitrate+Nitrite as N ND mglL 0.1 E353.2 12/28/0913:40 I jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/22/0915:081 wen Chloroform NO ug/L 1.0 SW8260B 12/22/0915:081 wen Chloromethane NO ug/L 1.0 SW8260B 12/22/0915:08/wen Methylene chloride NO ug/L 1.0 SW8260B 12/22/09 15:08 /wen Surr;Dibromofluoromethane 106 %REC 70-130 SW8260B 12/22/09 15:08/wen Surf:p-Bromofluorobenzene 112 %REC 80-120 SW8260B 12/22/0915:081 wen Surr:Toluene-dB 105 %REC 80-120 SW8260B 12/22/09 15:08/wen Surr:1,2-Dichlorobenzene-d4 102 %REC 80-120 SW8260B 12/22/09 15:081 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel-Maximum contaminant level. ND -Not detected at the reporting limit ENERGYLABORATO!"""5,INC.•2393 Salt Creek Highway(82601)•P.Of-3258 •Casper,WY82602rollFree888.235.0515 •"235.0515'Fax 301.234.1639 •casper@energyi,om'www.energy/ab.com LASaRATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-006 TW4-12R Report Date: Collection Date: OateReceived: Matrix: 01/06/10 12/15/09 09:40 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 1 mg/L 1 A4500-CI B 12/28/0911:11/ja Nitrogen,Nitrate+Nitrite as N NO mg/L 0.1 E353.2 12/28/0913:421 jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/22/09 15:431 wen Chloroform 6.1 ug/L 1.0 SW8260B 12/22/09 15:431 wen Chloromethane NO ug/L 1.0 SW8260B 12/22/09 15:431 wen Methylene chloride NO ug/L 1.0 SW8260B 12/22/09 15:431 wen Surr:Dibromofluoromethane 104 %REC 70-130 SW8260B 12/22/09 15:431 wen Surr:p-Bromofluorobenzene 108 %,REC 80-120 SW8260B 12/22/09 15:431 wen Surr:Toluene-dB 105 %REC 80-120 SW8260B 12/22/09 15:431 wen Surr:1,2~Dichlorobenzene-d4 104 %REC 80-120 SW8260B 12/22/09 15:431 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel-Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLASORATOIr=s,INC••2393 Salt Creek Highway (82601)•P.0.E'--.3258 •Casper,WY82602 TollFree 888.235.0515 •l ?35.0515 •Fax 307.234.1639 •casper@energyl.Jm •www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chioroform C09120647-007 TW4-13R Report Date: Collection Date: DateReceived: Matrix: 01/06/10 12/15/0911:15 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride NO mg/L 1 A4500-CI B 12/28/0911:14/ja Nitrogen,Nitrate+Nitrite as N NO mg/L 0.1 E353.2 12/28/09 13:47 I jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/22/0916:18/wen Chloroform NO ug/L 1.0 SW8260B 12/22/0916:18/wen Chloromethane NO ug/L 1.0 SW8260B 12/22/0916:18/wen Methylene chloride NO ug/L 1.0 SW8260B 12/22/0916:18/wen Surr:Dibromofluoromethane 104 %REC 70-130 SW8260B 12/22/0916:18/wen Surr:p-Bromofluorobenzene 108 %REC 80-120 SW8260B 12/22/0916:18/wen Surr:Toluene~d8 102 %REC 80-120 SW8260B 12/22/0916:18/wen Surr:1.2-Dichlorobenzene~d4 106 %REC 80-120 SW8260B 12/22/0916:18/wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATO!1'''"S,INC.•2393Sa/I Creek Highway (82601)•PO.B'"3258 'Casper,WY82602 70//Free 888.235.0515 •i '35.0515 •Fax 307.234.1639 •casper@energyl.Jm'www.energylab,com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-008 TW4-14R Report Date:01106/10 Collection Date:12/1510913:13 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 1 mg/L 1 A4500-CI B 12/28109 11 :151ia Nitrogen,Nitrate+Nitrite as N ND mg/L 0.1 E353.2 12/28/09 13:50 Iial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 SW8260B 12/22/0916:531 wen Chloroform ND ug/L 1.0 SW8260B 12/22/09 16:531 wen Chloromethane ND ug/L 1.0 SW8260B 12/22/09 16:531 wen Methylene chloride ND ug/L 1.0 SW8260B 12/22/09 16:531 wen Surf:Dibromofluoromethane 99.0 %REC 70-130 SW8260B 12/22/09 16:531 wen Surr:p~Bromofluorobenzene 104 %REC 80-120 SW8260B 12/22/09 16:531 wen Surr:Toluene~d8 104 %REC 80-120 SW8260B 12/22/0916:531 wen Surr:1,2-Dichlorobenzene-d4 103 %REC 80-120 SW8260B 12/22/0916:531 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORAT0'1,E:$,INC••2393Sal/CreekHighway (82601)•PD.'1""3258 •Casper,WY82602 TollFree 888.235.0515 •,?35.0515 •Fax 307.234.1639 •casper@energyli Jm •www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chioroform C09120647-009 TW4-25R Report Date: Collection Date: DateReceived: Matrix: 01/06/10 12/15/0915:55 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride ND mg/L 1 A4500-CI B 12/28/0911:171 ja Nitrogen,Nitrate+Nitrite as N ND mg/L 0.1 E353.2 12/28/09 13:521 jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 SW8260B 12/22/09 17:281 wen Chloroform ND ug/L 1.0 SW8260B 12/22/09 17:281 wen Chloromethane ND ug/L 1.0 SW8260B 12/22/09 17:281 wen Methylene chloride ND ug/L 1.0 SW8260B 12/22/09 17:281 wen Surr:Dibromofluoromethane 101 %REC 70-130 SW8260B 12/22/09 17:281 wen Surr:pRBromofluorobenzene 106 %REC 80-120 SW8260B 12/22/09 17:281 wen Surr:Toluene~d8 104 %REC 80-120 SW8260B 12/22/09 17:281 wen Surr:1,2-Dichlorobenzene-d4 104 %REC 80-120 SW8260B 12/22/09 17:281 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel-Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATOR/&;<;,INC.•2393 Salt CreekHighway (82801)•P.0 E1~".J258 •Casper,WY82802 7iJII Free 888.235.0515 •J '35.0515 •Fax 307.234.1839 •casper@energYk 1m'www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab ID: ClientSample 10: Denison Mines (USA)Corp 41h Quarter Chloroform C09120647-010 TW4-23R Report Date: Collection Date: DateReceived: Matrix: 01/06110 12/15/0914:12 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 1 mg/L 1 A4500-CI B 12/28/0911:19/ja Nitrogen,Nitrate+Nitrite as N NO m9/L 0.1 E353.2 12/28/0914:02/jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/22/09 18:03 I wen Chloroform 1.7 ug/L 1.0 SW8260B 12/22/09 18:03 I wen Chloromethane NO ug/L 1.0 SW8260B 12/22/0918:031 wen Methylene chloride NO U9/L 1.0 SW8260B 12/22/09 18:03 I wen Surf:Dibromofluoromethane 105 %REC 70-130 SW8260B 12/22/09 18:031 wen Surf;p-Bromofluorobenzene 105 %REC 80-120 SW8260B 12/22/0918:031 wen Surr:Toluene-dB 104 %REC 80-120 SW8260B 12/22/09 18:031 wen Surf:1,2-Dichlorobenzene-d4 104 %REC 80-120 SW8260B 12/22/09 18:031 wen Report Definitions: RL -Analyte reporting limit. Oel -Quality control limit. MeL -Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORATORI"'C;,INC••2393 SailCreekHighway (82601)'Po.~f'''1258 •Casper,WY82602 TollFree 888.235.0515 •j 35.0515'Fax 301.234.1639 •casper@energyle m •www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-011 TW4-3 Report Date:01/06/10 Collection Date:12/16/0910:07 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 22 mg/L 1 A4500-cr B 12/28/09 11 :22 /ia Nitrogen,Nitrate+Nitrite as N 2.5 mg/L 0.1 E353.2 12/28/0914:05/iar VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 SW8260B 12/23/09 12:451 wen Chloroform ND uglL 1.0 SW8260B 12/23/09 12:45/wen Chloromethane ND uglL 1.0 SW8260B 12/23/09 12:45/wen Methylene chloride ND uglL 1.0 SW8260B 12123/09 12:451 wen Surr:Dibromofluoromethane 104 %REC 70-130 SW8260B 12123/09 12:451 wen Surr:p-Bromofluorobenzene 105 %REC 80-120 SW8260B 12123/09 12:45 I wen Surr:Toluene-dB 102 %REC 80-120 SW8260B 12123/09 12:45/wen Surr:1,2-Dichlorobenzene~d4 104 %REC 80-120 SW8260B 12123/09 12:45 I wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel-Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORATORI"9,INC••2393SaltCreekHighway (82601)•P.D.Sr .1258 •Casper,WY82602 TollFree 888.235.0515 •S '35.0515'Fax 307.234.1639 •casper@energy/~m •www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-012 TW4-12 Report Date:01/06/10 Collection Date:12/16/0908:27 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 23 mg/L 1 A4500-CI B 12/28/09 11:30 I ja Nitrogen,Nitrate+Nitrite as N 3.6 mg/L 0.1 E353.2 12/28/0914:07/jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/21/0917:56/jlr Chloroform NO ug/L 1.0 SW8260B 12/21/0917:56/jlr Chloromethane NO ug/L 1.0 SW8260B 12/21/09 17:56I jlr Methylene chloride NO ug/L 1.0 SW8260B 12/21/0917:56/jlr Surr:Dibromofluoromethane 105 %REC 70-130 SW8260B 12/21/0917:56/jlr Surf:p-Bromofluorobenzene 103 %REC 80-120 SW8260B 12/21/0917:56/jlr Surf:Toluene-dB 98.0 %REC 80-120 SW8260B 12/21/0917:561 jlr Surr:1,2MDichlorobenzene-d4 110 %REC 80-120 SW8260B 12/21/0917:561 jlr Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. MeL -Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORATORI1"9,INC••2393 Sail Creek Highway (82601)'P.O.8p"8258 •Casper,WY82602 TollFree 888.235.0515 •j 35.0515 •Fax 307.234.1639 •casper@energyl",m •www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chioroform C09120647-013 TW4-13 Report Date: Collection Date: DateReceived: Matrix: 01/06/10 12/16/09 08:36 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chlo,ide 60 mg/L 1 A4500-CI B 12/28/0911:31/ia Nitrogen,Nitrate+Nitrite as N 4.1 mg/L 0.1 E353.2 12/28/0914:10 I ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/21/09 18:321 ii' Chloroform NO ug/L 1.0 SW8260B 12/21/0918:321 ii' Chloromethane NO ug/L 1.0 SW8260B 12/21/0918:321ii' Methylene chloride NO ug/L 1.0 SW8260B 12/21/09 18:321ii' Surr:Dibromofluoromethane 102 %REC 70-130 SW8260B 12/21/0918:32/ii' Surr:p~Bromofluorobenzene 103 %REC 80-120 SW8260B 12/21/0918:32/ilr Surr:Toluene-dB 98.0 %REC 80-120 SW8260B 12/21/0918:32/ii' Surr:1,2-Dichlorobenzene-d4 110 %REC 80-120 SW8260B 12/21/0918:32/ii' Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel-Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATORIF"I.INC••2393 SailCreek Highway (82601)•P.O.Boy 1258 •Casper,WY82602 TollFree 888.235.0515 •3,15.0515'Fax 307.234.1639 •casper@energylaJ n •www.energylab.com LASaRATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-014 TW4-14 Report Date: Collection Date: DateReceived: Matrix: 01/06/10 12/16/09 08:45 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 34 mg/L 1 A4500-CI B 12/28/09 11 :33 I ia Nitrogen,Nitrate+Nitrite as N 1.4 mg/L 0.1 E353.2 12128/09 14:121 iai VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 SW8260B 12/21/09 19:071 ilr Chloroform ND ug/L 1.0 SW8260B 12/21/0919:071 ilr Chloromethane ND ug/L 1.0 SW8260B 12/21/0919:071ilr Methylene chloride ND ug/L 1.0 SW8260B 12/21/0919:071ilr Surr:Dibromofluoromethane 109 %REC 70-130 SW8260B 12/21/0919:071jlr Surr:p~Bromofluorobenzene 104 %REC 80-120 SW8260B 12/21/0919:071jlr Surr:Toluene-dB 98.0 %REC 80-120 SW8260B 12/21/0919:071jlr Surr:1.2-Dichlorobenzene~d4 110 %REC 80-120 SW8260B 12/21/0919:071jlr Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. MeL -Maximum contaminant level. ND -Not detected at the reporling limit. ENERGYLABORATORIFc;.INC••2393SailCreek Highway (8260I)'PO 89v ~258 .Casper,WY82602 TOilFree 888.235.0515 •3i 15.0515 •Fax 307.234.1639 •casper@energyla;".www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-015 TW4-17 Report Date:01/06/10 Collection Date:12/16/0913:46 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 34 mg/L 1 A4500-CI B 12/28/09 11 :351ja Nitrogen,Nitrate+Nitrite as N NO mg/L 0.1 E353.2 12/28/0914:20 Ijal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/22/09 13:241 wen Chloroform NO ug/L 1.0 SW8260B 12/22/09 13:241 wen Chloromethane NO ug/L 1.0 SW8260B 12/22/09 13:241 wen Methylene chloride NO ug/L 1.0 SW8260B 12/22/09 13:241 wen Surr:Dibromofluoromethane 119 %REC 70-130 SW8260B 12/22/09 13:241wen Surr:p·Bromofluorobenzene 113 %REC 80-120 SW8260B 12/22/09 13:241 wen Surr:Toluene·d8 104 %REC 80-120 SW8260B 12/22/09 13:241 wen Surr:1,2-Dichlorobenzene-d4 109 %REC 80-120 SW8260B 12/22/09 13:241 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATORIF~.INC••2393Sal/CreekHighway (82601)'P.O.Bo'°'258 •Casper,WY82602 Toll Free 888.235.0515 •3,'5.0515'Fax 307.234.1639 •casper@energylal 7'www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-016 TW4-23 Report Date: Collection Date: DateReceived: Matrix: 01/06/10 12/16/09 09:57 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 37 mg/L 1 A4500-CI B 12/28/09 11 :37 I ja Nitrogen,Nitrate+Nitrite as N ND mg/L 0.1 E353.2 12/28/0914:221jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 SW8260B 12/22/09 13:581 wen Chloroform ND ug/L 1.0 SW8260B 12/22/09 13:581 wen Chloromethane ND ug/L 1.0 SW8260B 12/22/09 13:581wen Methylene chloride ND ug/L 1.0 SW8260B 12/22/09 13:581wen Surr:Dibromofluoromethane 115 %REC 70-130 SW8260B 12/22/09 13:581wen SUfr:p~Bromofluorobenzene 111 %REC 80-120 SW8260B 12/22/09 13:581wen Surr:Toluene-dB 105 %REC 80-120 SW8260B 12/22/09 13:581wen Surr:1,2-Djchlorobenzene~d4 106 %REC 80-120 SW8260B 12/22/09 13:581wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORATORJ"'S,INC••2393 SailCreekHighway(82601)•RD.8 r .•1258 •Casper,WY82602 Toll Free 888.235.0515 •~'35.0515'Fax 301.234.1639 •casper@energyl!m'www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-017 TW4-25 Report Date:01/06/10 Collection Date:12/16/0907:41 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 371 mg/L 1 A4500-CI B 12/28/09 11 :40 1ia Nitrogen,Nitrate+Nitrite as N 14.2 mg/L 0.2 E353.2 12/28/0914:251ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/22/09 14:331wen Chloroform NO ug/L 1.0 SW8260B 12/22/09 14:331wen Chloromethane NO ug/L 1.0 SW8260B 12/22/09 14:331wen Methylene chloride NO ug/L 1.0 SW8260B 12/22/09 14:331wen Surr:Dibromofluoromethane 107 %REC 70-130 SW8260B 12/22/09 14:331wen Surr:p-Bromofluorobenzene 112 %REC 80-120 SW8260B 12/22/09 14:331wen Surf:Toluene-dB 105 %REC 80-120 SW8260B 12/22/0914:33/wen Surf:1,2-Dichlorobenzene-d4 106 %REC 80-120 SW8260B 12/22/0914:33/wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel-Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATORI£"INC••2393Sa/I Creek Highway(82601)'P.O.BoxO?58 •Casper,WY82602 To//Free 888.235.0515 •30;:0515,Fax 307.234.1639 •casper@energylab.'•www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-018 TW4-8 Report Date: Collection Date: DateReceived: Matrix: 01/06/10 12/17/0909:30 12118/09 Aqueous MCLt Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 51 mglL 1 A4500-Cl B 12/28/09 11 :42 I ia Nitrogen,Nitrate+Nitrite as N NO mglL 0.1 E353.2 12/28/0914:271ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/22/09 18:38 I wen Chloroform NO ug/L 1.0 SW8260B 12/2210918:381 wen Chloromethane NO ug/L 1.0 SW8260B 12/22/0918:381 wen Methylene chloride NO ug/L 1.0 SW8260B 12/22/09 18:38 I wen Surr:Dibromofluoromethane 106 %REC 70-130 SW8260B 12/22/0918:381 wen Surr:p-Bromofluorobenzene 104 %REC 80-120 SW8260B 12/22/0918:381 wen Surr:Toluene-d8 102 %REC 80-120 SW8260B 12/22/0918:381 wen Surr:1,2-Dichlorobenzene-d4 102 %REC 80-120 SW8260B 12/22/09 18:381 wen Report Definitions: RL -Analyte reporting limit. OCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATOR/~f"INC••2393Sail Creek Highway (82801)•Po.Box3?58 •Casper,WY 82802 701/Free 888.235.0515 •30i :0515 •Fax 307.234.1839 •casper@energylab.:•www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647·019 TW4-9 Report Date: Collection Date: DateReceived: Matrix: 01/06/10 12/17/0909:22 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 37 mg/L 1 A4500-CI B 12/28/09 11 :44 /ia Nitrogen,Nitrate+Nitrite as N 1.7 mg/L 0.1 E353.2 12/28/0914:30/ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND uglL 1.0 SW8260B 12/22/09 22:43 /wen Chloroform ND uglL 1.0 SW8260B 12122/09 22:43 /wen Chloromethane ND uglL 1.0 SW8260B 12/22/09 22:43 /wen Methylene chloride ND uglL 1.0 SW8260B 12/22/09 22:43 /wen Surr:Dibromofluoromethane 104 %REC 70-130 SW8260B 12122/09 22:43 /wen Surr:p-Bromofluorobenzene 101 %REC 80-120 SW8260B 12/22/09 22:43 /wen Surr:Toluene-dB 104 %REC 80-120 SW8260B 12122/09 22:43 /wen Surr:1,2-Dichlorobenzene-d4 103 %REC 80-120 SW8260B 12122/09 22:43 /wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATORIE;c INC••2393Sail CreekHighway (82601)•P.0.Box.01.,8 •Casper,WY82602 7011Free 888.235.0515 •30i :0515 •Fax 307.234.1639 •casper@energylab.i •www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-020 TW4-16 Report Date:01106/10 Collection Date:12/1710909:40 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 76 mg/L 1 A4500-CI B 12/28/09 11 :451ia Nitrogen,Nitrate+Nitrite as N 5.2 mg/L 0.2 E353.2 12/28/0914:40 I ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 SW8260B 12/22/09 19:481wen Chloroform ND ug/L 1.0 SW8260B 12/22/09 19:481wen Chloromethane ND ug/L 1.0 SW8260B 12122/09 19:481wen Methylene chloride ND uglL 1.0 SW8260B 12122/09 19:481wen Surr:Dibromofluoromethane 114 %REC 70-130 SW8260B 12122/09 19:481wen Surr:p-Bromofluorobenzene 107 %REC 80-120 SW8260B 12122/09 19:481wen Surr:Toluene-dB 104 %REC 80-120 SW8260B 12122/09 19:481wen Surr:1,2-Dichlorobenzene-d4 107 %REC 80-120 SW8260B 12122/09 19:481wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATORIF<:,INC••2393Sail CreekHighway (82601),P.0.So·1258 •Casper,WY82602 TollFree 688.235.0515 '8,15.0515'Fax 307.234.1639 •casper@energyla.n •www.energylab.comJ#jm{i,7 It#meJ;?!:"iot;Pit'_ LASORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-021 TW4-24 Report Date: Collection Date: DateReceived: Matrix: 01106/10 12/1710909:06 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 1080 mg/L 1 A4500-CI B 12/28/09 11:59/ia Nitrogen,Nitrate+Nitrite as N 28.3 mg/L D 0.3 E353.2 12/28/0914:421ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride ND ug/L 1.0 SW8260B 12/22/0923:531 wen Chloroform 1.2 ug/L 1.0 SW8260B 12/22/0923:531 wen Chloromethane ND ug/L 1.0 SW8260B 12/22/0923:531 wen Methylene chloride ND ug/L 1.0 SW8260B 12/22/0923:531 wen Surr:Dibromofluoromethane 111 %REC 70-130 SW8260B 12/22/0923:531 wen Surr:p-Bromofluorobenzene 102 %REC 80-120 SW8260B 12/22/0923:531 wen Surr:Toluene-dB 102 %REC 80-120 SW8260B 12/22/09 23:531 wen Sure 1,2-Dichlorobenzene-d4 106 %REC 80-120 SW8260B 12/22/09 23:531 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. o-RL increased due to sample matrix interference. Mel -Maximum contaminant level. ND -Not detected at the reporting limit ENERGYLABORATORIE/':INC.•2393SaIl Creek Highway(82601)•P.0.80,"8:;58 •Casper,WY82602 TollFree 888.235.0515 •30;:0515 •Fax 307.234.1639 •casper@energylab.•www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-022 TW4-8R Report Date: Collection Date: DateReceived: Matrix: 01106/10 12/16/09 10:54 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride NO mg/L 1 A4500-CI B 12/28/09 12:11 I ia Nitrogen,Nitrate+Nitrlte as N NO mg/L 0.1 E353.2 12/28/09 14:451ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/23/0900:281 wen Chloroform NO ug/L 1.0 SW8260B 12/23/0900:281 wen Chloromethane NO ug/L 1.0 SW8260B 12/23/09 00:281 wen Methylene chloride NO ug/L 1.0 SW8260B 12/23/09 00:281 wen $urr:DibromofJuoromethane 107 %REC 70-130 SW8260B 12/23/0900:281wen Surr:p-Bromofluorobenzene 106 %REC 80-120 SW8260B 12/23/09 00:281 wen Surr:Toluene-dB 103 %REC 80-120 SW8260B 12/23/0900:281 wen Surr:1,2-Dichtorobenzene-d4 107 %REC 80-120 SW8260B 12/23/09 00:281 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORATORIE."WC••2393 Sail Creek Highway (82601)•P.O.Bo~3:J58 •Casper,WY82602 7iJ11Free 888.235.0515 •30!.:0515 •Fax 307.234.1639 •casper@energylab.•www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-023 TW4-9R Report Date:01/06/10 Collection Date:12/16109 12:45 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride NO mg/L 1 A4500-CI B 12/28/0912:121 ja Nitrogen,Nitrate+Nitrite as N NO mg/L 0.1 E353.2 12/28/0914:471 jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/23/0901 :03/wen Chloroform NO ug/L 1.0 SW8260B 12/23/09 01 :03/wen Chloromethane NO ug/L 1.0 SW8260B 12/23/09 01 :03/wen Methylene chloride NO ug/L 1.0 SW8260B 12/23/09 01 :031 wen Surr:DibromofJuoromethane 103 %REC 70-130 SW8260B 12/23109 01 :031 wen Surf:p-Bromofluorobenzene 106 %REC 80-120 SW8260B 12/23/0901 :031 wen Surr:Toluene-dB 103 %REC 80-120 SW8260B 12/23/09 01 :031 wen Surr:1,2-Dichlorobenzene-d4 106 %REC 80-120 SW8260B 12/23/09 01 :03/wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATORIEf'INC••2393Salt CreekHighway (82801)'p.D.80)(3:>58 •Casper,WY82802 TollFree 888.235.0515 •30;:0515 •Fax 307.234.1839 •casper@energylab.(•www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-024 TW4-16R Report Date: Collection Date: DateReceived: Matrix: 01106/10 12/16/0914:32 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride NO mg/L 1 A4500-CI B 12/28/0912:14/ia Nitrogen,Nitrate+Nitrite as N NO mg/L 0.1 E353.2 12/28/0914:50/ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/23/09 01 :38/wen Chloroform NO ug/L 1.0 SW8260B 12/23/09 01 :38/wen Chloromethane NO ug/L 1.0 SW8260B 12/23/09 01 :38/wen Methylene chloride NO ug/L 1.0 SW8260B 12/23/09 01 :38/wen Surr:Dibromofluoromethane 107 %REC 70-130 SW8260B 12/23/0901:38/wen Surr:p-Bromofluorobenzene 105 %REC 80-120 SW8260B 12/23/09 01 :38/wen Surr:Toluene-dB 105 %REC 80-120 SW8260B 12/23/09 01 :38/wen Surr:1,2-Dichlorobenzene-d4 104 %REC 80-120 SW8260B 12/23/09 01 :38 I wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel-Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATORIF~.INC••2393Salt Creek Highway (82601)'Po.BqY 9258 •Casper,WY82602 milFree 888.235.0515 •3f '5.0515 •Fax 301234.1639 •casper@energylai 7'www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-025 TW4-24R Report Date:01/06/10 Collection Date:12/16/0916:15 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis DateI By MAJOR IONS Chloride NO mg/L 1 A4500-CI B 12/28/0912:161ja Nitrogen,Nitrate+Nitrite as N NO mg/L 0.1 E353.2 12/28/0915:00 I jal VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/23/09 02:13 I wen Chloroform NO ug/L 1.0 SW8260B 12/23/09 02:13 I wen Chloromethane NO ug/L 1.0 SW8260B 12/23/09 02:13 I wen Methylene chloride NO ug/L 1.0 SW8260B 12/23/09 02:13 I wen Surr:Dibromofluoromethane 106 %REC 70-130 SW8260B 12/23/0902:13/wen Surr:p-Bromofluorobenzene 108 %REC 80-120 SW8260B 12/23/0902:131 wen Surr:Toluene-d8 103 %REC 80-120 SW8260B 12/23/0902:131 wen Surr:1,2-Dichlorobenzene-d4 107 %REC 80-120 SW8260B 12/23/09 02:131 wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. NO -Not detected at the reporting limit. ENERGYLABORATORIFC:.INC••2393Sal/CreekHighway (82601)'PD.BoY ~258 .Casper,WY82602 TollFree 888.235.05/5 •36 '5.0515 •Fax 307.234.1639 •casper@energylaL 7'www.energylab.comPIlJ:ftlifj'fU"iel;t''''.Up¥''_ LASORATORY ANALYTICAL REPORT Client: Project: Lab 10: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-026 TW4-60 Report Date: Collection Date: DateReceived: Matrix: 01106/10 12/17/0910:00 12/18/09 Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 1 mg/L 1 A4500-CI B 12/28/0912:181 ia Nitrogen,Nitrate+Nitrite as N NO mg/L 0.1 E353.2 12/28/09 15:021 ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO uglL 1.0 SW8260B 12/23/09 02:481 wen Chloroform NO uglL 1.0 SW8260B 12/23/09 02:48/wen Chloromethane NO uglL 1.0 SW8260B 12123/09 02:48/wen Methylene chloride NO uglL 1.0 SW8260B 12123/09 02:48/wen Surr:Dibromofluoromethane 108 %REC 70-130 SW8260B 12/23/09 02:48/wen SUfr:p-Bromofluorobenzene 105 %REC 80-120 SW8260B 12123/09 02:48/wen Surr:Toluene-dB 106 %REC 80-120 SW8260B 12/23/0902:48/wen Surr:1,2-Dichlorobenzene-d4 103 %REC 80-120 SW8260B 12/23/0902:48 I wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORATORIF<;,INC••2393 Salt Creek Highway (82801)•P.O.Bpv 9258 •Casper,WY82802 lOllFree 888.235.0515 •3(15.0515 •Fax 307.234.1839 •casper@energyl",n'www.energylab.com LABORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample 10: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-027 TW4-65 Report Date:01/06/10 Collection Date:12/16/09 13:46 DateReceived:12/18/09 Matrix:Aqueous MCU Analyses Result Units Qualifier RL QCL Method Analysis Date I By MAJOR IONS Chloride 33 mg/L 1 A4500-CI B 12/28/09 12:20 Iia Nitrogen,Nitrate+Nitrite as N NO m9/L 0.1 E353.2 12/28/0915:051 ial VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/2310903:231 wen Chloroform NO ug/L 1.0 SW8260B 12/23/0903:231 wen Chloromethane NO ug/L 1.0 SW8260B 12/23/0903:231 wen Methylene chloride NO ug/L 1.0 SW8260B 12/23/0903:231 wen Surr:DibromofJuoromethane 113 %REC 70-130 SW8260B 12/23/0903:231 wen Surr:p-Bromofluorobenzene 104 %REC 80-120 SW8260B 12/23/0903:231 wen Surr:Toluene-dB 101 %REC 80-120 SW8260B 12/23/09 03:231 wen Surr:1,2~Dichlorobenzene-d4 109 %REC 80-120 SW8260B 12/23/09 03:231 wen Report Definitions: RL -Analyte reporting limit. OCL ~Quality control limit. Mel -Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORATOR/f"S,INC••2393Sail CreekHighway (82601)'PD.Bp"9258 •Casper,WY82602 Toll Free 888.235.0515 •3,J5.0515·Fax 307.234.1639 •casper@energyla:77'www.energylab.com LASORATORY ANALYTICAL REPORT Client: Project: Lab ID: Client Sample ID: Denison Mines (USA)Corp 4th Quarter Chloroform C09120647-028 Trip Blank Report Date: Collection Date: DateReceived: Matrix: 01106/10 12117/09 12118/09 Aqueous MCLt Analyses Result Units Qualifier RL QCL Method Analysis Date I By VOLATILE ORGANIC COMPOUNDS Carbon tetrachloride NO ug/L 1.0 SW8260B 12/22/09 19:13 /wen Chloroform NO ug/L 1.0 SW8260B 12/22/09 19:13 /wen Chloromethane NO ug/L 1.0 SW8260B 12/22/09 19:13 /wen Methylene chloride NO ug/L 1.0 SW8260B 12/22/09 19:13 /wen Surr:Dibromofluoromethane 101 %REC 70-130 SW8260B 12/22/09 19:13 I wen Surr:p-Bromofluorobenzene 106 %REC 80-120 SW8260B 12/22/09 19:13 I wen Surr:ToluenewdB 101 %REC 80-120 SW8260B 12/22/09 19:13 /wen Surr:1,2-Dichlorobenzene-d4 104 %REC 80-120 SW8260B 12/22/09 19:13 /wen Report Definitions: RL -Analyte reporting limit. QCL -Quality control limit. Mel -Maximum contaminant level. ND -Not detected at the reporting limit. ENERGYLABORATOBIE5,INC••2393 Sal/Creek Highway (82601)'PD.,~·v 3258 •Casper,WY82602 Toll Free 888.235.0515 .,'235.0515 •Fax 307.234.1639 •casper@energj Jam'www.energylab.com QA/QC Summary Report Client:Denison Mines (USA)Corp Project:4th Quarter Chioroform Report Date:01/06/10 Work Order:C09120647 IAnalyte ~_.~.~'_~--~~----~..'~'~,_.'~~-'-' Count Result Units RL %REe Low Limit High Limit RPO RPOLimit Qual Method:A4500-CI B Batch:091228-CL-TIR-W Sample 10:MBLK9-091228 Method Blank Run:TITRATION_091228A 12/28/09 09:49 Chloride NO mg/L 0.4 Sample 10:C09120638-008AMS Sample Matrix Spike Run:TITRATION_091228A 12/28/09 10:53 Chloride 252 mg/L 1.0 102 90 110 Sample 10:C09120638-008AMS Sample Matrix Spike Duplicate Run:TITRATION_091228A 12/28/0910:55 Chloride 249 mg/L 1.0 100 90 110 1.4 10 Sample 10:LCS35-091228 Laboratory Control Sample Run:TITRATION_091228A 12/28/09 10:57 Chloride 3530 mg/L 1.0 100 90 110 Sample 10:C09120647-003AMS Sample Matrix Spike Run:TITRATION_091228A 12/2810911:24 Chloride 477 mg/L 1.0 100 90 110 Sample 10:C09120647-003AMS Sample Matrix Spike Duplicate Run:TITRATION_091228A 12/28/09 11 :27 Chloride 477 mg/L 1.0 100 90 110 °10 Sample 10:C09120647-021AMS Sample Matrix Spike Run:TITRATION_091228A 12/28/09 12:01 Chloride 2840 mg/L 1.0 100 90 110 Sample 10:C09120647-021AMS Sample Matrix Spike Duplicate Run:TITRATION_091228A 12/28/0912:03 Chloride 2840 mg/L 1.0 100 90 110 °10 Sample 10:C09120811·004AMS Sample Matrix Spike Run:TITRATION_091228A 12/28/0913:16 Chloride 35.0 mg/L 1.0 99 90 110 Sample 10:C09120811-004AMS Sample Matrix Spike Duplicate Run:TITRATION_091228A 12/28/0913:18 Chloride 35.7 mg/L 1.0 101 90 110 2 10 Qualifiers: RL -Analyte reporting limit.NO ~Not detected at the reporting limit. ENERGYLABORATORIIgS,INC••2393SailCreek Highway (82601)•PD.Box3258 •Casper,WY82602/l:fi!Gi(((f!!iiiI TollFree 888.235.0515 •3('15.0515'Fax 307.234.1639 •casper@energyla(11'www.energylab.com 'tH~l.t;&Uc"in¥"r ..:.-_ QA/QC Summary Report Client:Denison Mines (USA)Corp Report Date:01/06/10 Project:4th Quarter Chloroform Work Order:C09120647 i .~-~-------_._-------- IAnalyte Count Result Units RL %REC Low Limit High Limit RPO RPDLimit Qual Method:E353.2 Batch:R128055 Sample 10:MBLK·1 Method Blank Run:TECHNICON_091228A 12/28/0912:15 Nitrogen,Nitrate+Nitrite as N NO m9/L 0.03 Sample 10:LCS·2 Laboratory Control Sample Run:TECHNICON_091228A 12/28/0912:17 Nitrogen,Nitrate+Nitrite as N 2.60 mg/L 0.10 102 90 110 Sample 10:C09120638·0050MS Sample Matrix Spike Run:TECHNICON_091228A 12/28/0913:12 Nitrogen,Nitrate+Nitrite as N 3.79 mg/L 0.10 112 90 110 S Sample 10:C09120638·0050MSO Sample Matrix Spike Duplicate Run:TECHNICON_091228A 12/28/0913:15 Nitrogen,Nitrate+Nitrite as N 3.75 mg/L 0.10 110 90 110 1.1 10 Sample 10:C09120647·009BMS Sample Matrix Spike Run:TECHNICON~091228A 12/28/09 13:55 Nitrogen,Nitrate+Nitrite as N 1.92 mg/L 0.10 95 90 110 Sample 10:C09120647·009BMSO Sample Matrix Spike Duplicate Run:TECHNICON_091228A 12/28/0913:57 Nitrogen,Nitrate+Nitrite as N 1.99 mg/L 0.10 98 90 110 3.6 10 Sample 10:C09120647·019BMS Sample Matrix Spike Run:TECHNICON_091228A 12/28/09 14:32 Nitrogen,Nitrate+Nitrite as N 3.54 mg/L 0.10 90 90 110 Sample 10:C09120647·019BMSO Sample Matrix Spike Duplicate Run:TECHNICON_091228A 12/28/0914:35 Nitrogen,Nitrate+Nitrite as N 3.66 mg/L 0.10 96 90 110 3.3 10 Sample 10:C09120579·016FMS Sample Matrix Spike Run:TECHNICON~091228A 12/28/0915:12 Nitrogen,Nitrate+Nitrite as N 2.51 mg/L 0.10 94 90 110 Sample 10:C09120579·016FMSO Sample Matrix Spike Duplicate Run:TECHNICON_091228A 12/28/0915:15 Nitrogen,Nitrate+Nitrite as N 2.49 mg/L 0.10 93 90 110 0.8 10 Qualifiers: RL ~Analyte reporting limit. S ~Spike recovery outside of advisory limits. NO ~Not detected at the reporting limit. ENERGYLABORATORIEc INC••2393Sail CreekHighway (82601)•P.0.80)("'58 .Caspar,WY82602 Toll Free 888.235.0515 •3m ,0515 •Fax 307.234.1639 •casper@energylabJ •www.energylab.com QAlQC Summary Report Client:Denison Mines (USA)Corp Project:4th Quarter Chloroform Report Date:12/23109 Work Order:C09120647 Analyle Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Method:SW8260B Balch:R127911 Sample ID:21-Dec-09_LCS_3 Laboratory Control Sample Run:5975VOC1_091221A 12/21/0912:38 Carbon tetrachloride 12 uglL 1.0 119 70 130 Chloroform 12 uglL 1.0 118 70 130 Chloromethane 7.7 ug/L 1.0 77 70 130 Methylene chloride 11 uglL 1.0 112 70 130 Surr:Dibromofluoromethane 1.0 101 70 130 Surr:p~Bromofluorobenzene 1.0 102 80 130 Surf:Toluene-dB 1.0 104 80 120 Surr:1,2~DichlorobenzeneMd4 1.0 94 80 120 Sample ID:21-Dec-09_MBLK_6 Method Blank Run:5975VOC1-091221A 1212110914:23 Carbon tetrachloride NO uglL 1.0 Chloroform NO uglL 1.0 Chloromethane NO uglL 1.0 Methylene chloride NO uglL 1.0 Surf:Dibromofluoromethane 1.0 96 70 130 Surr:p-Bromofluorobenzene 1.0 103 80 120 Surf:Toluene-dB 1.0 98 80 120 Surr:1,2-Dichlorobenzene-d4 1.0 110 80 120 Sample 10:C09120647-002CMS Sample Matrix Spike Run:5975VOC1_091221A 12121/0919:43 Carbon tetrachloride 1300 uglL 100 126 70 130 Chloroform 3400 uglL 100 158 70 130 S Chloromethane 800 uglL 100 80 70 130 Methylene chloride 1200 uglL 100 119 70 130 Surr:Dibromofluoromethane 100 110 70 130 SUfr:p~Bromofluorobenzene 100 101 80 120 Surr:Toluene-dB 100 104 80 120 SUfr:1,2~Dichlorobenzene-d4 100 95 80 120 Sample ID:C09120647-002CMSD Sample Matrix Spike Duplicate Run:5975VOC1_091221A 12121/0920:18 Carbon tetrachloride 1200 uglL 100 120 70 130 4.9 20 Chloroform 3200 uglL 100 145 70 130 3.9 20 S Chloromethane 760 uglL 100 76 70 130 4.6 20 Methylene chloride 1200 uglL 100 116 70 130 2.7 20 SUfr:DibromofJuoromethane 100 106 70 130 0 10 Surr:p-Bromofluorobenzene 100 101 80 120 0 10 Surr:Toluene-dB 100 104 80 120 0 10 Surr:1,2-Dichlorobenzene-d4 100 94 80 120 0 10 Qualifiers: RL -Analyte reporting limit. S -Spike recovery outside of advisory limits. NO -Not detected at the reporting limit. ENERGYLABORATORIJ:"'"INC••2393 SaltCreek Highway (82601)'Po.Bor "?58 •Casper,WY82602 TollFree 888235.0515 •30 W515 •Fax 307.234.1639 •casper@energylab •www.energylab.com QAlQC Summary Report Client:Denison Mines (USA)Corp Project:4th Quarter Chloroform Report Date:12/23109 Work Order:C09120647 Analyte Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Method:SW8260B Batch:R127944 Sample 10:22-Dec-09_LCS_3 Laboratory Control Sample Run:GCMS2_091222A 12/22/09 11 :06 Carbon tetrachloride 13 ug/L 1.0 130 70 130 Chloroform 12 ug/L 1.0 119 70 130 Chloromethane 8.5 ug/L 1.0 85 70 130 Methylene chloride 8.8 ug/L 1.0 88 70 130 Surf:DibromofJuoromethane 1.0 100 70 130 Surf:p~BromofJuorobenzene 1.0 100 80 130 Surr:Toluene-d8 1.0 104 80 120 Surr:1,2~Dichlorobenzene-d4 1.0 104 80 120 Sample 10:22-Dec-09_MBLK_6 Method Blank Run:GCMS2_091222A 12122109 12:49 Carbon tetrachloride NO ug/L 1.0 Chloroform NO ug/L 1.0 Chloromethane NO ug/L 1.0 Methylene chloride NO ug/L 1.0 Surr:Dibromofluoromethane 1.0 100 70 130 Surf:p-Bromofluorobenzene 1.0 112 80 120 Surf:Toluene-d8 1.0 104 80 120 Surf:1,2-Dichlorobenzene-d4 1.0 104 80 120 Sample 10:C09120647-020CMS Sample Matrix Spike Run:GCMS2_091222A 12/22109 20:23 Carbon tetrachloride 110 ug/L 10 108 70 130 Chloroform 120 ug/L 10 116 70 130 Chloromethane 110 ug/L 10 113 70 130 Methylene chloride 110 ug/L 10 111 70 130 Surr:Dibromofluoromethane 10 105 70 130 Surr:p-Bromofluorobenzene 10 96 80 120 Surr:Toluene-dB 10 104 80 120 Surr:1>2~Dichlorobenzene-d4 10 104 80 120 Sample 10:C09120647-020CMSD Sample Matrix Spike Duplicate Run:GCMS2_091222A 12/22/0920:58 Carbon tetrachloride 110 ug/L 10 108 70 130 0.4 20 Chloroform 110 ug/L 10 113 70 130 2.4 20 Chloromethane 110 ug/L 10 111 70 130 1.4 20 Methylene chloride 110 ug/L 10 108 70 130 3.3 20 Surr:Dibromofluoromethane 10 100 70 130 0 10 Surr:p-Bromofluorobenzene 10 95 80 120 0 10 Surr:Toluene-dB 10 105 80 120 0 10 Sure 1,2~Djchlorobenzene-d4 10 102 80 120 0 10 Qualifiers: RL -Analyte reporting limit.NO -Not detected at the reporting limit. UNmltJ7 lffJfJl'J.V,ro7:1J.JiJ(tIJ]N/;A"'i!J Chain of Custody and Analytical Request Record PLEASE PRINT (Provide as much information as possible.l Page -J--of ,3 Company Name: f)"'JII/'IlAI !Yli"'t!s Project Name,.pws,Permit,Etc.I Sample Origin LjtJlJlJltrhl I'j,bA'd':dtfm State:1A1" EPNState Compliance: Yes .J}ir No D DC c..;OOler 10(s):~(i <2£\-1: Receipt Temp :3 ShippsP-by:{_f=CLft Oo'oe 1)N Custody Seal t::.'/', On BOllie Y \.N" On Cooler 8'NIntactY N Signature N Match QU6te/Bottle Order: Sampler:(Please Print)• I!2"N U/P'W" Contact ELI prior to RUSH sample submittal for charges and scheduling -See Instruction Page Comments:u s R H Purchase Order: Email: .. o !;: W C I "0o§«eI-ctlI-E«~ W "EWctlCf)-g BJ &[}I]&[1V®D®[M@;@lliJ@;®'[j'@;[Q) Contact Name:Phone/Fax: 12M Id£"~'/f,-rY -17-7'/ Invoi6e Contact 8<Phone: /l C'II ~""-""0 D EOO/EOT(Electronic Data) Format:.:;-;-_ D LEVEL IV D NELAC s:o ~~o U)~ OJ "00-1 ~c((}=2.->0 >-ro .m(/,)fQ ~s \c,-0000o$:=m 0)~«e55l.Q §N,o '-COl c:\1"-'-~tJ§(§<:;)..~0=I~''"::J~~I~~~Z a.Q)E >1ro U)~ SAMPLE IDENTIFICATION I Collection I Collection I MATRIX ~ (Name,Location,Interval,etc.)Date Time " Dow D POTWIWWTPDState:_D Other:_ Special Report/Formats: Invoice Address:{ I,rIC3bilN\-~ Repol~a~1 ~s ta'1 r12./A·L'h u1 8'IfS// 1 11N4-J~IJ2HIflI/'lJj)Is--ltv'Ixl I I I I I I I I I I 'X I~ '/I11A!-'-I 1/J..-Jlu11 JlItJO 15-~w IXI I I I I I I I I I I){rg j-;-L~L--l-J-----jI-&-L-I-lL-I-f-L~..L-i-'L:-~--J+Xl..J--+-+-l---+--+-+-+-+---l----l--X-/'>----l----------I1 5 I2.rL,·;J_J-'1 Y?'V IT/Aji-f-J<.I?-1/7,/'S-lflll1rC:X 177A1f.!-1412 IJ2-ls'lJ1 Inn 1.;--0.1 Ix I I I I I I I I I I I~'"IIo'ilie 5-w ' b-W x I® ~ I'" Signature"Dv(efTime"Received by (print): Record Relinquis d by (print)'DatelTime:Sig alure -Received by (print):DatelTime:Signature: MUST be,[-------------7------~~~~-=-=-r=ae1l'rn,m~e-~:=::::-;=-;:;J¥~:__h~y Signed Sam Ie Dis osal:Return to Client:Lab Disposal:Id- In certain circumstances,samples submitted to Energy Laboratories,Inc.may be subcontracted to other certified laboratories in order to complete the analysis requeste This serves as notice of this possibility.All sub~contract data will be clearly notated on your analytical report. Visit our web site at www.energylab.com for additional information,downloadable fee schedule,forms,and links. ICustody IRe~ed by ("""'If)/__Date/Time,-:;-'.--;--~a('}"I//'IL.,AIIl I'JIIYI1~12 1.2 '/7-V7 12J1l l.e::.--UA •_...,""".•w L............... Company Name:Project Name,PWS,Permit,Etc.Sample Origin EPNState Compliance:". 'De.f\\s,cl\M:M:,"::,.W~Q""lA,·h.r (),Ie roQ('M State:\.AI'Yes j}(No 0 Report Mail Address:pc>B"i(8'C'1 Contact Name:Phone/Fax:Email:Sampler:(Please Print) B l",,,tl\~\Ai '1S'iS11 %"'"Po,l"lif i13S 1",7f,~\'R~11 Pc,ll'1cr- Invoice Address:Invoice Contact &Phone:Purchase Order:Quote/Bottle Order: SCI/V}v :)"'il1 e- Special Report/Formats:5 ~&[1W®D®[jB@:@)IJD@:®'[j'@:[])•Contact Ell prior to .S'l!"""d ~y,/",. o ~RUSH sample submittal jk-L!r-~t7'-krl,"-l.7'-::.I.'X_---I ~0 (J)'£_for charges and coolerfD(s):~OJ;gOI2 O!;(R scheduling-See (J'-I-._>0 >.co ~I-1 ()D OW D EOO/EOT(Electronic Data)~~]l ~5 ~:;;Instruction Page .\I tI\..•.... D :::-'0 co 0>~U c:C t RecelptTemp POTWIWWTP Format:~«C;:I;jijI~«e u ommen s:'3·0DState:D LEVEL IV ~ii.'*is 25 I-g!-c D Other:D NELAC ~~I§,I~!;:5 110 Icq Y N,,0).-0)5 I-SZ-0..«1 g>o LU 'E Custody Seal 11~>1 ~UJ ..§On Boltle Yl!V" (/)\_Cf)c On Cooler Y N3c7lHIntactY N SAMPLE IDENTIFICATION Collection Collection MATRIX ~~Signature (Name,Location,Interval,etc.)Date Time I -......Match Y N ,·~fJ.rJL{'.3 JJ.-16·o1 1M l I,s~w I'x'~ '.-rIA!1.-/-1.1 1/2.jt,'!lil IJtf2'i-S~!IV X I~ ~/A!I.-/-1'2,1/1-/~,1l1!JX'~h I,t;-w X I~ ~AJY-14 IQ~·mIM~10W K ~ ''lIN'L _'/1 1/2 ·/6 -()111?,4t.5-1/1/IX ~..... 'if..J (.-2.3 /:J..';6 ./J'I/ftl5-7 1.:;;--IN lx.~A 7·t1tJ 1../-1,<)'Il~,/~-IX I/FtIf /,C;-vJ 1')(I~(lo1P/.2fi.f4 - ''T(AJ4-f(1/)-I1l)a VJtJ30 .C;-vJ 'X % 9 17/1!1.J-Cj ~;I /7 ~ti IIfJ22 .~-vJ )(I~ 'Ttl!l/-ib iJ.-/1 .f)'11194'1)r;-w IX -I", Custody Relj~V1b.y(prp!L.~/)12:'77~~'9 J?lJII /~«A Received by (prinl):Dale!Time'Signature: :~~~r~e Relio,"i'h"by (pcio')'ua'e'ime,?oa'"",Receive'by (pcio'),Dale/Time,Sigoaloee •'~elveC\tlYLalloratOry:uatel Irq~1 ~I q .~aure:~;~~Signed SamnleDisnosal:Return to Client:Lab Disposal:......~.'"I -Ia/D qy /y//"_.' This serves as notice of this possibility.All sub-contract data will be clearly notated on your analytical report. Visit our web site at www.energylab.com for additional information,downloadable fee schedule,forms,and links. ~of3ChainofCustodyandAnalyticalRequestRecordJdgtM7 R'4ot;?$.ioJj1l4t'.-_.-.-._-..,..".• •.....................................,......u"""........................... Company Name:Project Name,PWS,Permit,Etc.Sample Origin EPA/State Compliance:.. De..I1I~M,I)e?~Q",,,Acr ()11en:,\'cnT"l State:l>J-Yes~No 0 Report Mail Address:po p->Cl')(goct Contact Name:Phone/Fax:Email:Sampler:(Please Print) 2>\"'''~:'I\~J 1)..gyS1)'R~'?"Jr"1tr 435 (,,7'6 ~~\'R~M P"lme.r Invoice Address:Invoice Contact &Phone:Purchase Order:Quote/Bottle Order: S",tV1("'St..1"'\<:.. Special Report/Formats:S L!:,[l1]L!:,l1\7©D©1M[g@)(!!J[g©'iJ[g[Q)..Contact ELI prior to sreJ'fx0Q;RUSH sample submittal ~o (1):5 h for charges and Cooler10(s): ~co;gOI m 0 ~R scheduling -See (I"i:1241 +-._>0 >oro W Instruction PageDDWoEDD/EDT(Electronic Data)~(I)£Q mS I~I -0000 '0oPOTWIWWTP3s=c5 ~g ()c Comments:ReceiptTemp Format:4-«cr.>lffi1:.i:::>U .5 DCoState:o LEVEL IV o ~c I~«e..Q)c:--ן-m~~ro.QO EoOther:o NELAC ~~Iro 'I~~::>On Ice:(v)N ::::l Q).=a>s l-SZli<cIg'O W 'E Custody Seal E >1 ~W m On BolUe Y N~(j)'0 Y NcOnCooler N Bl H Intact Y N SAMPLE IDENTIFICATION Collection Collection MATRIX (Signature (Name,Location,Interval,etc.)Date Time ~Match Y N ''17A /1./.)1/11-11-1/7 O?J6 5---w ~ '-nAt I..f -K!L 12-16-(;'1 //Jr;t.!16-W .~ 37ML/-q t1...11,Jh ·/)9 I:2Jf5'"~W I\Q!.~Ob&r'TIA!4 -I/;12 2'!b-r)9 1'1:7,2.I.t;-W 51N4~2l./f2 12·//;·tIJ //;/5"'6-W ~.~ 6 'If"Jt.f -to LJ /JIf.lJ9 !I!O D-W ~ 7 '7l,f 4-".5""JJ.·//;.(/1 /3Lfh 5-w ~ 8 ~0 9 I~"10 I~ Custody R~j/'llbY;P'i"U~tJ Dj'§,i71.IJCj /3dtJ ~aJ Received by (print):Daleffime:Signature· Record Relinquisned by (print):DalefTime:7 ture:'1 -Received by (print):Daternme:Signature: MUSTbe 1\I~X L.alJorawry:uae');)./;;Ioq q ,D l'ff~/Signed Sarnole DisDosal:Return to Client:Lab Disposal:..N2) pies submitted to Energy Laboratories,Inc.may be SUbcontracted to other certitied laboratories In order to camp This serves as notice ofthis possibility.All subwcontract data wlll be clearly notated on your analytical report. Visit our web site at www.energylab.com for additional information,downloadable fee schedule,forms,and links. I)!.1:1 Energy Laboratories Inc Workorder Receipt Checklist Denison Mines USA Corp 1111111111111111111111111111111111111111111111111111111 C09120647 Login completed by:Corinne Wagner Reviewed by: Reviewed Date: Date and Time Received:12/18/20099:10 AM Received by:at Carrier name:FedEx Shipping container/cooler in good condition? Custody seals intact on shipping container/cooler? Custody seals intact on sample bottles? Chain of custody present? Chain of custody signed when relinquished and received? Chain ofcustody agrees with sample labels? Samples in proper container/bottle? Sample containers intact? Sufficient sample volume for indicated test? All samples received within holding time? Containerrremp Blank temperature: Water -VOA vials have zero headspace? Water ~pH acceptable upon receipt? Contact and Corrective Action Comments: None Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 Yes 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 No 0 Not Present D Not Present 0 Not Present 0" No VOA vials submitted 0 Not Applicable 0 ENERGYLABORATO!J'ES,INC.•2393 Sal/Creek Highway(82601)•POBn){3258 •Casper,WY82602 lOllFree 888.235.0515'('235.0515'F8!{307.234./639 •casper@energy 'om'www.energylab.com CLIENT:Denison Mines (USA)Corp Project:4th Quarter Chloroform Sample Delivery Group:C09120647 ORIGINAL SAMPLE SUBMITTAL(S) All original sample submittals have been returned with the data package. Date:D6-Jan-!D CASE NARRATIVE SAMPLE TEMPERATURE COMPLIANCE:4°C (±2°C) Temperature of samples received may not be considered properly preserved by accepted standards.Samples that are hand delivered immediately after collection shall be considered acceptable ifthere is evidence that the chilling process has begun. GROSS ALPHA ANALYSIS Method 900.0 for gross alpha and gross beta is intended as a drinking water method for low TDS waters.Data provided by this method for non potable waters should be viewed as inconsistent. RADON IN AIR ANALYSIS The desired exposure time is 48 hours (2 days).The time delay in returning the canister to the laboratory for processing should be as short as possible to avoid excessive decay.Maximum recommended delay between end of exposure to beginning ofcounting should not exceed 8 days. SOIUSOLID SAMPLES All samples reported on an as received basis unless otherwise indicated. ATRAZINE.SIMAZINE AND PCB ANALYSIS Data for PCBs,Atrazine and Simazine are reported from EPA 525.2.PCB data reported by ELI refiects the results for seven individual Aroclors.When the results for all seven are ND (not detected),the sample meets EPA compliance criteria for PCB monitoring. SUBCONTRACTING ANALYSIS Subcontracting of sample analyses to an outside laboratory may be required.If so,ENERGY LABORATORIES will utilize its branch laboratories or qualified contract laboratories for this service.Any such laboratories will be indicated within the Laboratory Analytical Report. BRANCH LABORATORY LOCATIONS eli-b -Energy Laboratories,Inc.-Billings,MT eli-g -Energy Laboratories,Inc.-Gillette,WY eli-h -Energy Laboratories,Inc.-Helena,MT eli-r -Energy Laboratories,Inc.-Rapid City,SD eli-t -Energy Laboratories,Inc.-College Station,TX CERTIFICATIONS: USEPA:WY00002,Radiochemical WY00937;FL-DOH NELAC:E87641,Radiochemical E871017;California:02118CA; Oregon:WY200001;Utah:3072350515;Virginia:00057;Washington:C1903 ISO 17025 DISCLAIMER: The results ofthis Analytical Report relate only to the items submitted for analysis. ENERGY LABORATORIES,INC.-CASPER,WY certifies that certain method selections contained in this report meet requirements as set forth by the above accrediting authorities.Some results requested by the client may not be covered under these certifications.All analysis data to be submitted for regulatory enforcement should be certified in the sample state of origin.Please verify ELI's certification coverage by visiting www.energylab.com ELI appreciates the opportunity to provide you with this analytical service.For additional information and services visit our web page www.energylab.com. THIS IS THE FINAL PAGE OF THE LABORATORY ANALYTICAL REPORT Tab I CSV Transmittal Letter Jo Ann Tischler From: Sent: To: Cc: SUbject: Attachments: Dear Mr.Finerfrock, Jo Ann Tischler Thursday,February 25,2010 1:33 PM 'dfinerfrock@utah,gov' David Frydenlund Transmittal of CSV files White Mesa Mill 2009 04 chloroform monitoring C09120647,csv;C09120811,csv;C09120896,csv Attached to this email is an electronic copy oflaboratory results for chloroform monitoring conducted at the White Mesa Mill during the 41h Quarter,2009,in Comma Separated Value (CSV)format. Please contact me at 303-389-4132 if you have any questions, Yours Truly, Jo Ann Tischler Denison Mines (USA)Corp, Director,Pennitting and Compliance 1 HYDRO GEO CHEM, INC.APPROVED DATE REFERENCE FIGURE 3332 3000 SCALE IN FEET 0 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 1400 1600 ND 950 9 250 ND 300 860 ND ND ND 1100 ND ND 84700 15000 160 380 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS MW-01 MW-02 MW-03 MW-05 MW-11 MW-12 MW-14 MW-15 MW-17 MW-18 MW-19 MW-20 MW-22 MW-23 MW-24 MW-25 MW-27 MW-28 MW-29 MW-30 MW-31 MW-32 TW4-19 PIEZ-1 PIEZ-2 PIEZ-3 PIEZ-4 PIEZ-5 TWN-1 TWN-2 TWN-3 TWN-4 TWN-5 TWN-6 TWN-7 TWN-8 TWN-9 TWN-10 TWN-11 TWN-12 TWN-13 TWN-14 TWN-15 TWN-16 TWN-17 TWN-18 TWN-19 1300 1800 NDMW-04 ND 1 ND MW-26 TW4-20 MW-4 PIEZ-1 2000 NS perched monitoring well showing concentration in uG/l temporary perched monitoring well installed April, 2005 showing concentration in uG/l perched piezometer (not sampled) 1700 MW-32 ND temporary perched monitoring well showing concentration in uG/l 200 perched monitoring well installed April, 2005 showing concentration in uG/l KRIGED 4th QUARTER, 2009 CHLOROFORM (uG/L) WHITE MESA SITE H:/718000/feb10/chl1209.srf EXPLANATION NOTES: ND = not detected, NS = not sampled; temporary perched monitoring well installed May, 2007 showing concentration in uG/lND SJS MW-4 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 28-Sep-99 6200 28-Sep-99 5820 28-Sep-99 6020 15-Mar-00 5520 15-Mar-00 5430 2-Sep-00 5420 9.63 30-Nov-00 6470 9.37 29-Mar-01 4360 8.77 22-Jun-01 6300 9.02 20-Sep-01 5300 9.45 8-Nov-01 5200 8 26-Mar-02 4700 8.19 22-May-02 4300 8.21 12-Sep-02 6000 8.45 24-Nov-02 2500 8.1 28-Mar-03 2000 8.3 30-Apr-03 3300 NA 30-May-03 3400 8.2 23-Jun-03 4300 8.2 30-Jul-03 3600 8.1 29-Aug-03 4100 8.4 12-Sep-03 3500 8.5 15-Oct-03 3800 8.1 8-Nov-03 3800 8.0 29-Mar-04 NA NA 22-Jun-04 NA NA 17-Sep-04 3300 6.71 17-Nov-04 4300 7.5 16-Mar-05 2900 6.3 25-May-05 3170 7.1 31-Aug-05 3500 7.0 1-Dec-05 3000 7.0 9-Mar-06 3100 6.0 14-Jun-06 3000 6.0 20-Jul-06 2820 1.2 9-Nov-06 2830 6.4 15-Aug-07 2600 6.2 10-Oct-07 2300 6.2 26-Mar-08 2400 5.8 25-Jun-08 2500 6.09 10-Sep-08 1800 6.36 15-Oct-08 2100 5.86 12-Sep-02 5700 8.3 24-Nov-02 5000 8.5 28-Mar-03 4500 8.2 23-Jun-03 4700 8.4 12-Sep-03 3400 8.6 10-Nov-03 4500 8.4 29-Mar-04 NA NA 22-Jun-04 NA NA 17-Sep-04 3300 6.83 MW-4 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 17-Nov-04 4100 8 16-Mar-05 3700 7.1 25-May-05 3740 7.8 31-Aug-05 3800 <10 <10 <10 6.9 1-Dec-05 3000 <50 <50 <50 7 NA 20-Jul-06 2820 <50 <50 <50 1.2 48 9-Nov-06 2830 2.1 1.4 <1 6.4 50 9-Mar-06 3100 <50 <50 50 6 49 14-Jun-06 3000 <50 <50 50 6 49 28-Feb-07 2300 1.6 <1 <1 6.3 47 27-Jun-07 2000 1.8 <1 <1 7 45 15-Aug-07 2600 1.9 <1 <1 6.2 47 10-Oct-07 2300 1.7 <1 <1 6.2 45 26-Mar-08 2400 1.7 <1 <1 5.8 42 25-Jun-08 2500 1.6 <1 <1 6.09 42 10-Sep-08 1800 1.8 <1 <1 6.36 35 10/15/2008 2100 1.7 <1 <1 5.86 45 4-Mar-09 2200 1.5 <1 <1 5.7 37 23-Jun-09 1800 1.3 <1 <1 5.2 34 14-Sep-09 2000 1.4 <1 <1 5.3 43 14-Dec-09 1800 1.6 ND ND 5.8 44 TW4-1 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 28-Jun-99 1700 7.2 10-Nov-99 5.79 15-Mar-00 1100 10-Apr-00 1490 6-Jun-00 1530 2-Sep-00 2320 5.58 30-Nov-00 3440 7.79 29-Mar-01 2340 7.15 22-Jun-01 6000 8.81 20-Sep-01 NA 12.8 8-Nov-01 3200 12.4 26-Mar-02 3200 13.1 22-May-02 2800 12.7 12-Sep-02 3300 12.8 24-Nov-02 3500 13.6 28-Mar-03 3000 12.4 23-Jun-03 3600 12.5 12-Sep-03 2700 12.5 8-Nov-03 3400 11.8 29-Mar-04 3200 11 22-Jun-04 3100 8.78 17-Sep-04 2800 10.8 17-Nov-04 3000 11.1 16-Mar-05 2700 9.1 25-May-05 3080 10.6 31-Aug-05 2900 <10 <10 <10 9.8 1-Dec-05 2400 <50 <50 <50 9.6 20-Jul-06 2840 <50 <50 <50 9.7 51 8-Nov-06 2260 1.4 <1 <1 9.4 47 9-Mar-06 2700 <50 <50 <50 9.2 49 14-Jun-06 2200 <50 <50 <50 9.2 48 28-Feb-07 1900 1.2 <1 <1 8.9 47 27-Jun-07 1900 1.4 <1 <1 9 45 15-Aug-07 2300 1.3 <1 <1 8.4 43 10-Oct-07 2000 1.3 <1 <1 7.8 43 26-Mar-08 2000 1.3 <1 <1 7.6 39 25-Jun-08 1900 1.1 <1 <1 8.68 39 10-Sep-08 1700 1.3 <1 <1 8.15 35 15-Oct-08 1700 1.3 <1 <1 9.3 41 11-Mar-09 1700 1.1 <1 <1 7.5 37 24-Jun-09 1500 1 <1 <1 6.9 37 15-Sep-09 1700 <1 <1 <1 7.3 36 29-Dec-09 1400 ND ND ND 6.8 41 TW4-2 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 10-Nov-99 2510 2-Sep-00 5220 28-Nov-00 4220 10.7 29-Mar-01 3890 10.2 22-Jun-01 5500 9.67 20-Sep-01 4900 11.4 8-Nov-01 5300 10.1 26-Mar-02 5100 9.98 23-May-02 4700 9.78 12-Sep-02 6000 9.44 24-Nov-02 5400 10.4 28-Mar-03 4700 9.5 23-Jun-03 5100 9.6 12-Sep-03 3200 8.6 8-Nov-03 4700 9.7 29-Mar-04 4200 9.14 22-Jun-04 4300 8.22 17-Sep-04 4100 8.4 17-Nov-04 4500 8.6 16-Mar-05 3700 7.7 25-May-05 3750 8.6 31-Aug-05 3900 <10 <10 <10 8.0 1-Dec-/05 3500 <50 <50 <50 7.8 9-Mar-06 3800 <50 <50 <50 7.5 56 14-Jun-06 3200 <50 <50 <50 7.1 56 20-Jul-06 4120 <50 <50 <50 7.4 54 8-Nov-06 3420 2.3 <1 <1 7.6 55 28-Feb-07 2900 1.8 <1 <1 7.3 54 27-Jun-07 3000 2.5 <1 <1 7.8 50 15-Aug-07 340 2.2 <1 <1 7.3 49 10-Oct-07 3200 2.1 <1 <1 6.9 51 26-Mar-08 3300 2.3 <1 <1 6.9 48 25-Jun-08 3100 2.2 <1 <1 7.44 46 10-Sep-08 2800 2.4 <1 <1 7.1 42 15-Oct-08 3200 2.4 <2 <2 7.99 47 11-Mar-/09 3100 2.2 <1 <1 6.5 46 24-Jun-09 2800 2 <1 <1 6.4 44 15-Sep-09 3000 2 <1 <1 6.6 43 29-Dec-09 1600 2.0 ND ND 6.4 46 TW4-3 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 28-Jun-99 3500 7.6 29-Nov-99 702 15-Mar-00 834 2-Sep-00 836 1.56 29-Nov-00 836 1.97 27-Mar-01 347 1.85 21-Jun-01 390 2.61 20-Sep-01 300 3.06 7-Nov-01 170 3.6 26-Mar-02 11 3.87 21-May-02 204 4.34 12-Sep-02 203 4.32 24-Nov-02 102 4.9 28-Mar-03 ND 4.6 23-Jun-03 ND 4.8 12-Sep-03 ND 4.3 8-Nov-03 ND 4.8 29-Mar-04 ND 4.48 22-Jun-04 ND 3.68 17-Sep-04 ND 3.88 17-Nov-04 ND 4.1 16-Mar-05 ND 3.5 25-May-05 ND 3.7 31-Aug-05 ND <1 <1 <1 3.5 1-Dec-05 ND <1 2.3 <1 3.3 9-Mar-06 ND <1 2.2 <1 3.3 26 14-Jun-06 ND <1 <1 <1 3.2 26 20-Jul-06 ND <1 1.6 <1 2.9 26 8-Nov-06 ND <1 <1 <1 1.5 23 28-Feb-07 ND <1 <1 <1 3.1 22 27-Jun-07 ND <1 <1 <1 3.3 23 15-Aug-07 ND <1 <1 <1 3.1 24 10/10/2007 ND <1 <1 <1 2.8 27 26-Mar-08 ND <1 <1 <1 2.8 21 25-Jun-08 ND <1 <1 <1 2.85 19 10-Sep-08 ND <1 <1 <1 2.66 19 15-Oct-08 ND <1 <1 <1 2.63 22 4-Mar-09 ND <1 <1 <1 2.5 21 24-Jun-09 ND <1 <1 <1 2.9 20 15-Sep-09 ND <1 <1 <1 2.8 21 16-Dec-09 ND ND ND ND 2.5 22 TW4-4 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 6-Jun-00 ND 2-Sep-00 ND 28-Nov-00 3.85 28-Mar-01 2260 1.02 20-Jun-01 3100 14.5 20-Sep-01 3200 14 8-Nov-01 2900 14.8 26-Mar-02 3400 15 22-May-02 3200 13.2 12-Sep-02 4000 13.4 24-Nov-02 3800 12.6 28-Mar-03 3300 13.4 23-Jun-03 3600 12.8 12-Sep-03 2900 12.3 8-Nov-03 3500 12.3 29-Mar-04 3200 12.2 22-Jun-04 3500 12.1 17-Sep-04 3100 11.1 17-Nov-04 3600 10.8 16-Mar-05 3100 11.6 25-May-05 2400 10 31-Aug-05 3200 <10 <10 <10 11.3 1-Dec-05 2800 50 50 50 10.2 9-Mar-06 2900 50 50 50 9.5 51 14-Jun-06 2600 50 50 50 8.6 48 20-Jul-06 2850 50 50 50 9.7 50 8-Nov-06 2670 1.7 <1 <1 10.1 49 28-Feb-07 2200 1.5 <1 <1 9 49 27-Jun-07 2400 1.7 <1 <1 9.4 47 15-Aug-07 2700 1.5 <1 <1 9.5 45 10-Oct-07 2500 1.5 <1 <1 9.5 47 26-Mar-08 2800 1.6 <1 <1 9.2 43 25-Jun-08 2500 1.5 <1 <1 10.8 42 10-Sep-08 2200 1.4 <1 <1 8.83 39 15-Oct-08 2500 2 <2 <2 10.1 44 4-Mar-09 2200 1.2 <1 <1 10.2 37 24-Jun-09 1800 1.2 <1 <1 8.2 34 15-Sep-09 2000 1.1 <1 <1 8.4 39 29-Dec-09 950 1.1 ND ND 7.6 41 TW4-5 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 20-Dec-99 29.5 15-Mar-00 49 2-Sep-00 124 29-Nov-00 255 28-Mar-01 236 20-Jun-01 240 20-Sep-01 240 7-Nov-01 260 26-Mar-02 260 22-May-02 300 12-Sep-02 330 24-Nov-02 260 28-Mar-03 240 23-Jun-03 290 12-Sep-03 200 8-Nov-03 240 29-Mar-04 210 22-Jun-04 200 17-Sep-04 150 17-Nov-04 180 16-Mar-05 120 25-May-05 113 31-Aug-05 82 <2.5 5.8 <2.5 6 1-Dec-05 63 <2.5 <2.5 <2.5 6 9-Mar-06 66 <2.5 3.1 <2.5 6 52 14-Jun-06 51 <1 <2.5 <2.5 5.9 51 20-Jul-06 53.7 <1 <1 <1 6.7 54 8-Nov-06 47.1 <1 <1 <1 2.9 55 28-Feb-07 33 <1 <1 <1 7.8 57 27-Jun-07 26 <1 <1 <1 7 45 15-Aug-07 9.2 <1 <1 <1 7.7 38 10-Oct-07 9.4 <1 <1 <1 8.2 39 26-Mar-08 11 <1 <1 <1 7.4 36 25-Jun-08 9.3 <1 <1 <1 8.7 37 10-Sep-08 11 <1 <1 <1 7.91 34 15-Oct-08 10 <1 <1 <1 9.3 37 4-Mar-09 12 <1 <1 <1 7.9 34 24-Jun-09 13 <1 <1 <1 7.5 37 15-Sep-09 12 <1 >1 <1 8.3 48 22-Dec-09 8.5 ND `ND ND 7.5 41 TW4-6 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 6-Jun-00 ND 2-Sep-00 ND 28-Nov-00 ND ND 26-Mar-01 ND .13 20-Jun-01 ND ND 20-Sep-01 3.6 ND 7-Nov-01 1.00 ND 26-Mar-02 ND ND 21-May-02 ND ND 12-Sep-02 ND ND 24-Nov-02 ND ND 28-Mar-03 ND 0.1 23-Jun-03 ND ND 12-Sep-03 ND ND 8-Nov-03 ND ND 29-Mar-04 ND ND 22-Jun-04 ND ND 17-Sep-04 ND ND 17-Nov-04 ND ND 16-Mar-05 ND 0.2 25-May-05 ND 0.4 31-Aug-05 10.0 <10 2.8 <10 0.8 1-Dec-05 17 <1 1.3 <1 0.9 9-Mar-06 31 <1 <1 <1 1.2 31 14-Jun-06 19 <1 <1 <1 1.0 30 20-Jul-06 11 <1 <1 <1 0.6 37 8-Nov-06 42.8 <1 <1 <1 1.4 65 28-Feb-07 46 <1 <1 <1 1.5 32 27-Jun-07 11 <1 <1 <1 0.6 38 15-Aug-07 18 <1 <1 <1 0.7 36 10-Oct-07 18 <1 <1 <1 0.8 38 26-3-08 52 <1 <1 <1 1.1 33 25-Jun-08 24 <1 <1 <1 0.9 35 10-Sep-08 39 <1 <1 <1 1.14 35 15-Oct-08 37 <1 <1 <1 1.01 33 11-Mar-09 81 <1 <1 <1 2.2 35 24-Jun-09 120 <1 <1 <1 2.7 37 15-Sep-09 280 <1 <1 <1 37 22-Dec-09 250 ND ND ND 6.1 41 TW4-7 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 29-Nov-99 256 15-Mar-00 616 2-Sep-00 698 29-Nov-00 684 1.99 28-Mar-01 747 2.46 20-Jun-01 1100 2.65 20-Sep-01 1200 3.38 8-Nov-01 1100 2.5 26-Mar-02 1500 3.76 23-May-02 1600 3.89 12-Sep-02 1500 3.18 24-Nov-02 2300 4.6 28-Mar-03 1800 4.8 23-Jun-03 5200 7.6 12-Sep-03 3600 7.6 8-Nov-03 4500 7.1 29-Mar-04 2500 4.63 22-Jun-04 2900 4.83 17-Sep-04 3100 5.59 17-Nov-04 3800 6 16-Mar-05 3100 5.2 25-May-05 2700 5.4 31-Aug-05 3100 <10 <10 <10 5.2 1-Dec-05 2500 <50 <50 <50 5.3 9-Mar-06 1900 <50 <50 <50 1.0 48 14-Jun-06 2200 <50 <50 <50 4.5 47 20-Jul-06 2140 <50 <50 <50 4.7 51 8-Nov-06 2160 1.5 <1 1 4.6 49 28-Feb-07 1800 1.1 <1 1 5 47 27-Jun-07 2600 1.5 <1 1 5.1 45 14-Aug-07 2300 1.4 <1 1 4.7 44 10-Oct-07 1900 1.2 <1 1 4.7 45 26-Mar-08 2200 1.3 <1 1 4.2 43 25-Jun-08 1800 1.3 <1 1 4.8 43 10-Sep-08 1600 1.4 <1 1 4.16 35 15-Oct-08 1900 <2 <2 2 4.01 40 11-Mar-09 1800 1.2 <1 1 3.7 35 24-Jun-09 1400 <1 <1 1 3.8 37 15-Sep-09 1500 <1 <1 1 4.1 37 29-Dec-09 1300 ND ND ND 4.2 37 TW4-8 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 29-Nov-99 ND 15-Mar-00 21.8 2-Sep-00 102 29-Nov-00 107 ND 26-Mar-01 116 ND 20-Jun-01 180 ND 20-Sep-01 180 0.35 7-Nov-01 180 ND 26-Mar-02 190 0.62 22-May-02 210 0.77 12-Sep-02 300 ND 24-Nov-02 450 ND 28-Mar-03 320 0.8 23-Jun-03 420 ND 12-Sep-03 66 ND 8-Nov-03 21.0 0.1 29-Mar-04 24 0.65 22-Jun-04 110 0.52 17-Sep-04 120 ND 17-Nov-04 120 ND 16-Mar-05 10.0 ND 25-May-05 ND 0.2 31-Aug-05 1.1 ND 1-Dec-05 ND <1 1.7 <1 ND 9-Mar-06 1.3 <1 <1 <1 0.3 39 14-Jun-06 ND <1 2.1 <1 ND 37 20-Jul-06 ND <1 1.8 <1 0.1 39 8-Nov-06 ND <1 1 <1 ND 40 28-Feb-07 2.50 <1 1 <1 0.7 39 27-Jun-07 2.5 <1 1 <1 0.2 42 15-Aug-07 1.5 <1 1 <1 ND 42 10-Oct-07 3.5 <1 1 <1 0.5 43 26-Mar-08 ND <1 1 <1 0.1 46 25-Jun-08 ND <1 1 <1 ND 45 10-Sep-08 ND <1 1 <1 ND 39 15-Oct-08 ND <1 1 <1 ND 44 4-Mar-09 ND <1 1 <1 ND 42 24-Jun-09 ND <1 1 <1 ND 44 15-Sep-09 ND <1 1 <1 ND 44 17-Dec-09 ND ND ND ND ND 51 TW4-9 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 20-Dec-99 4.24 15-Mar-00 1.88 2-Sep-00 14.2 29-Nov-00 39.4 ND 27-Mar-01 43.6 ND 20-Jun-01 59 .15 20-Sep-01 19 0.40 7-Nov-01 49 0.1 26-Mar-02 41 0.5 22-May-02 38 0.65 12-Sep-02 49 0.2 24-Nov-02 51 0.6 28-Mar-03 34 0.6 23-Jun-03 33 0.8 12-Sep-03 32 1.1 8-Nov-03 46 1.1 29-Mar-04 48 0.82 22-Jun-04 48 0.75 17-Sep-04 39 0.81 17-Nov-04 26 1.2 16-Mar-05 3.8 1.3 25-May-05 1.2 1.3 31-Aug-05 ND <1 2.9 <1 1.3 1-Dec-05 ND <1 <1 <1 1.3 9-Mar-06 ND <1 2.6 <1 1.5 38 14-Jun-06 ND <1 2.7 <1 1.5 39 20-Jul-06 ND <1 <1 <1 0.9 41 8-Nov-06 ND <1 <1 <1 0.7 44 28-Feb-07 ND <1 <1 <1 0.6 44 27-Jun-07 21 <1 <1 <1 1.3 42 15-Aug-07 9.5 <1 <1 <1 1.8 38 10-Oct-07 8.7 <1 <1 <1 2 40 26-Mar-08 1.3 <1 <1 <1 2.1 35 25-Jun-08 1.0 <1 <1 <1 2.3 35 10-Sep-08 ND <1 <1 <1 2.79 28 15-Oct-08 ND <1 <1 <1 1.99 58 4-Mar-09 ND <1 <1 <1 2.5 30 24-Jun-09 ND <1 <1 <1 2.3 30 15-Sep-09 ND <1 <1 <1 2.5 30 17-Dec-09 ND ND ND ND 1.7 37 TW4-10 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 21-Jan-02 14 26-Mar-02 16 0.14 21-May-02 17 0.11 12-Sep-02 6.0 ND 24-Nov-02 14 ND 28-Mar-03 29 0.2 23-Jun-03 110 0.4 12-Sep-03 74 0.4 8-Nov-03 75 0.3 29-Mar-04 22 0.1 22-Jun-04 32 ND 17-Sep-04 63 0.46 17-Nov-04 120 0.4 16-Mar-05 140 1.6 25-May-05 62.4 0.8 31-Aug-05 110 1.1 1-Dec-05 300 <2.5 <2.5 6.2 3.3 9-Mar-06 190 <5 <50 <50 2.4 50 14-Jun-06 300 <5 <50 <50 3.5 54 20-Jul-06 504.00 <5 <50 <50 6.8 61 8-Nov-06 452.00 <1 1.6 1 5.7 58 28-Feb-07 500 <1 <1 1 7.6 62 27-Jun-07 350 <1 <1 1 5.1 54 15-Aug-07 660 <1 <1 1 7.3 59 10-Oct-07 470 <1 <1 1 6.7 59 26-Mar-08 620 <1 <1 1 7.3 55 25-Jun-08 720 <1 <1 1 9.91 58 10-Sep-08 680 <1 <1 1 9.23 51 15-Oct-08 1200 <2 <2 2 10.5 61 11-Mar-09 1100 <1 <1 1 11.6 64 24-Jun-09 1200 <1 <1 1 9.8 62 15-Sep-09 910 <1 <1 1 8.1 51 22-Dec-09 300 ND ND ND 3.5 51 TW4-11 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 21-Jan-02 4700 26-Mar-02 4900 9.60 22-May-02 5200 9.07 12-Sep-02 6200 8.84 24-Nov-02 5800 9.7 28-Mar-03 5100 9.7 23-Jun-03 5700 9.4 12-Sep-03 4600 9.9 8-Nov-03 5200 9.3 29-Mar-04 5300 9.07 22-Jun-04 5700 8.74 17-Sep-04 4800 8.75 17-Nov-04 5800 9.7 16-Mar-05 4400 8.7 25-May-05 3590 10.3 31-Aug-05 4400 <10 <10 <10 9.4 1-Dec-05 4400 <100 <100 <100 9.4 9-Mar-06 4400 <50 <50 <50 9.2 56 14-Jun-06 4300 <50 <50 <50 10 56 20-Jul-06 4080 <50 <50 <50 10 55 8-Nov-06 3660 1.7 2.7 1.3 10 55 28-Feb-07 3500 1.3 <1 1.6 10.1 54 27-Jun-07 3800 1.6 <1 1.1 10.6 53 15-Aug-07 4500 1.7 <1 1.1 10.2 53 10-Oct-07 4400 1.6 <1 1.2 9.8 53 26-Mar-08 340 <1 <1 <1 7.7 63 25-Jun-08 640 <1 <1 <1 7.28 46 10-Sep-08 900 <1 <1 <1 7.93 42 15-Oct-08 1000 <2 <2 <2 9.46 47 11-Mar-09 1100 <1 <1 <1 7.3 49 24-Jun--09 980 <1 <1 <1 6.8 44 15-Sep-09 1000 <1 <1 <1 7.0 49 29-Dec-09 860 ND ND ND 6.6 46 TW4-12 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 12-Sep-02 1.5 2.54 24-Nov-02 ND 2.2 28-Mar-03 ND 1.9 23-Jun-03 ND 1.8 12-Sep-03 ND 1.8 9-Nov-03 ND 1.6 29-Mar-04 ND 1.58 22-Jun-04 ND 1.4 17-Sep-04 ND 1.24 17-Nov-04 ND 1.5 16-Mar-05 ND 1.4 25-May-05 ND 1.6 31-Aug-05 ND <1 5.8 <1 1.5 1-Dec-05 ND <1 <1 1.4 9-Mar-06 ND <1 <1 <1 1.3 19 14-Jun-06 ND <1 <1 <1 1.4 16 20-Jul-06 ND <1 <1 <1 1.4 16 8-Nov-06 ND <1 <1 <1 1.4 16 28-Feb-07 ND <1 <1 <1 1.5 16 27-Jun-07 ND <1 <1 <1 1,5 18 Aug-15-07 ND <1 <1 <1 1.4 29 10-Oct-07 ND <1 <1 <1 1.4 16 26-Mar-08 ND <1 <1 <1 1.6 16 25-Jun-08 ND <1 <1 <1 2.69 19 10-Sep-08 ND <1 <1 <1 2.65 18 15-Oct-08 ND <1 <1 <1 2.47 22 4-Mar-09 ND <1 <1 <1 2.4 23 24-Jun-09 ND <1 <1 <1 3.8 22 15-Sep-09 ND <1 <1 <1 5.1 22 16-Dec-09 ND ND ND ND 3.6 23 TW4-13 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 12-Sep-02 ND ND 24-Nov-02 ND ND 28-Mar-03 ND 0.2 23-Jun-03 ND 0.2 12-Sep-03 ND ND 9-Nov-03 ND 0.9 29-Mar-04 ND 0.12 22-Jun-04 ND 0.17 17-Sep-04 ND 4.43 17-Nov-04 ND 4.7 16-Mar-05 ND 4.2 25-May-05 ND 4.3 31-Aug-05 ND <1 3.1 <1 4.6 1-Dec-05 ND <1 <1 <1 4.3 9-Mar-06 ND <1 1.7 <1 4.2 67 14-Jun-06 ND <1 1.4 <1 4.9 66 20-Jul-06 ND <1 <1 <1 4.3 65 8-Nov-06 ND <1 <1 <1 0.8 33 28-Feb-07 ND <1 <1 <1 4 59 27-Jun-07 ND <1 <1 <1 4.6 59 15-Aug-07 ND <1 <1 <1 4.4 58 10-Oct-07 ND <1 <1 <1 4.1 58 26-Mar-08 ND <1 <1 <1 3.8 54 25-Jun-08 ND <1 <1 <1 4.24 58 10-Sep-08 ND <1 <1 <1 4.26 50 15-Oct-08 ND <1 <1 <1 4.63 58 4-Mar-09 ND <1 <1 <1 3.7 58 24-Jun-09 ND <1 <1 <1 1.2 57 15-Sep-09 ND <1 <1 <1 4.7 63 16-Dec-09 ND ND ND ND 4.1 60 TW4-14 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 8-Nov-06 ND ND ND ND 2.4 37 28-Feb-07 ND ND ND ND 2.3 38 27-Jun-07 ND ND ND ND 1.4 38 15-Aug-07 ND ND ND ND 1.1 36 10-Oct-07 ND ND ND ND 0.8 36 26-Mar-08 ND ND ND ND .04 57 25-Jun-08 ND ND ND ND 1.56 35 10-Sep-08 ND ND ND ND 1.34 34 15-Oct-08 ND ND ND ND 0.76 40 4-Mar-09 ND ND ND ND 1.6 35 24-Jun-09 ND ND ND ND 1.4 36 15-Sep-09 ND ND ND ND 1.5 38 16-Dec-09 ND ND ND ND 1.4 34 TW4-15 (MW-26) Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 12-Sep-02 2.6 ND 24-Nov-02 ND ND 28-Mar-03 ND 0.1 23-Jun-03 7800 14.5 15-Aug-03 7400 16.8 12-Sep-03 2500 2.7 25-Sep-03 2600 2.5 29-Oct-03 3100 3.1 8-Nov-03 3000 2.8 29-Mar-04 NA NA 22-Jun-04 NA NA 17-Sep-04 1400 0.53 17-Nov-04 300 0.2 16-Mar-05 310 0.3 30-Mar-05 230 0.2 25-May-05 442 0.2 31-Aug-05 960 <5 5.4 <5 0.2 1-Dec-05 1000 <50 <50 0.3 9-Mar-06 1100 <50 <50 <50 0.2 52 14-Jun-06 830 <50 <50 <50 0.2 52 20-Jul-06 2170 <50 <50 <50 1.4 65 8-Nov-06 282 <1 <1 2.8 0.3 54 28-Feb-07 570 <1 <1 5.5 0.5 56 27-Jun-07 300 <1 <1 13 0.4 49 15-Aug-07 1400 <1 <1 36 1 57 10-Oct-07 2000 <1 <1 14 0.6 57 26-Mar-08 930 <1 <1 40 0.1 49 25-Jun-08 1300 <1 <1 53 0.56 57 10-Sep-08 630 <1 <1 24 0.24 44 15-Oct-08 1700 <1 <1 100 0.65 64 4-Mar-09 950 <1 <1 51 0.4 49 24-Jun-09 410 <1 <1 12 0.2 48 15-Sep-09 850 <1 <1 30 0.1 46 14-Dec-09 1100 ND ND 40 2.3 60 TW4-16 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 12-Sep-02 140 ND 24-Nov-02 200 ND 28-Mar-03 260 ND 23-Jun-03 370 ND 12-Sep-03 350 ND 8-Nov-03 400 ND 29-Mar-04 430 ND 22-Jun-04 530 ND 17-Sep-04 400 ND 17-Nov-04 350 ND 16-Mar-05 240 ND 25-May-05 212 ND 31-Aug-05 85 <1 3.2 43 ND 1-Dec-05 14 <1 2.6 5.9 1.4 9-Mar-06 39 <1 1.1 21 3.0 60 14-Jun-06 13 <1 2.4 8.9 1.9 55 20-Jul-06 5 <1 <1 2.7 2.7 60 8-Nov-06 13.6 <1 <1 9.2 5.6 62 28-Feb-07 8.70 <1 <1 6.5 12.3 79 27-Jun-07 2.60 <1 <1 1.8 9.9 75 15-Aug-07 7.10 <1 <1 5.1 5.4 66 10-Oct-07 1.40 <1 <1 <1 4.4 69 26-Mar-08 11.00 <1 <1 26 ND 52 25-Jun-08 ND <1 <1 <1 1.46 58 10-Sep-08 10.00 <1 <1 14 10.5 71 15-Oct-08 3.9 <1 <1 6.6 9.82 89 4-Mar-09 ND <1 <1 <1 9.6 78 24-Jun-09 ND <1 <1 <1 8.9 76 15-Sep-09 ND <1 <1 <1 8.8 79 17-Dec-09 ND ND ND ND 5.2 76 TW4-17 (MW-32) Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 12-Sep-02 1.6 ND 24-Nov-02 ND ND 28-Mar-03 ND ND 23-Jun-03 ND ND 12-Sep-03 ND ND 8-Nov-03 ND ND 29-Mar-04 ND ND 22-Jun-04 ND ND 17-Sep-04 ND ND 17-Nov-04 ND ND 16-Mar-05 ND ND 30-Mar-05 ND ND 25-May-05 ND ND 31-Aug-05 ND <1 3.2 <1 ND 1-Dec-05 ND <1 1 ND 32 9-Mar-06 ND <1 1 ND 30 14-Jun-06 ND <1 3.5 ND 32 20-Jul-06 ND <1 1.8 ND 31 8-Nov-06 ND <1 1.5 ND 32 28-Feb-07 ND <1 <1 ND 32 27-Jun-07 ND <1 <1 ND 31 15-Aug-07 ND <1 <1 ND 32 10-Oct-07 ND <1 <1 ND 31 26-Mar-08 ND <1 <1 ND 29 25-Jun-08 ND <1 <1 ND 30 10-Sep-08 ND <1 <1 ND 26 15-Oct-08 ND <1 <1 ND 30 4-Mar-09 ND <1 <1 ND 31 15-Sep-09 ND <1 <1 ND 33 16-Dec-09 ND ND ND ND ND 34 TW4-18 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 12-Sep-02 440 1.49 24-Nov-02 240 13.3 28-Mar-03 160 13.1 23-Jun-03 110 19 12-Sep-03 68 19.9 9-Nov-03 84 20.7 29-Mar-04 90 14 22-Jun-04 82 12.2 17-Sep-04 38 14.5 17-Nov-04 51 17.3 16-Mar-05 38 14.1 25-May-05 29.8 12.9 31-Aug-05 39 13.3 1-Dec-05 14 <1 2.8 <1 7.3 9-Mar-06 12 <1 1.1 <1 5.9 5.9 14-Jun-06 12 <1 1.6 <1 4.7 35 20-Jul-06 10.80 <1 2.7 <1 6.1 35 8-Nov-06 139.00 <1 <1 <1 8.7 34 28-Feb-07 9.2 <1 <1 <1 5.1 30 27-Jun-07 8.0 <1 <1 <1 4.9 28 15-Aug-07 8.9 <1 <1 <1 5 32 10-Oct-08 7.4 <1 <1 <1 4.4 27 26-Mar-08 6.4 <1 <1 <1 0.7 23 25-Jun-08 5.7 <1 <1 <1 4.55 23 10-Sep-08 8.0 <1 <1 <1 4.68 26 15-Oct-08 9.4 <1 <1 <1 5,15 30 4-Mar-09 11.0 <1 <1 <1 5.2 29 24-Jun-09 16.0 <1 <1 <1 6.2 30 15-Sep-09 13.0 <1 <1 <1 5.9 26 22-Dec-09 8.2 ND ND ND 5.4 30 TW4-19 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 12-Sep-02 7700 47.6 24-Nov-02 5400 42 28-Mar-03 4200 61.4 15-May-03 4700 NA 23-Jun-03 4500 11.4 15-Jul-03 2400 6.8 15-Aug-03 2600 4 12-Sep-03 2500 5.7 25-Sep-03 4600 9.2 29-Oct-03 4600 7.7 9-Nov-03 2600 4.8 29-Mar-04 NA NA 22-Jun-04 NA NA 16-Aug-04 7100 9.91 17-Sep-04 2600 4.5 17-Nov-04 1800 3.6 16-Mar-05 2200 5.3 25-May-05 1200 5.7 31-Aug-05 1400 <5 <5 <5 4.6 1-Dec-05 2800 50 <50 <50 ND 9-Mar-06 1200 50 <50 <50 4.0 86 14-Jun-06 1100 50 <50 <50 5.2 116 20-Jul-06 1120 50 <50 <50 4.3 123 8-Nov-07 1050 1.6 2.6 <1 4.6 134 28-Feb-07 1200 1.3 <1 <1 4 133 27-Jun-07 1800 2.3 15-Aug-07 1100 1.9 <1 <1 4.1 129 10-Oct-08 1100 1.9 <1 <1 4 132 26-Mar-08 1800 2.9 <1 <1 2.2 131 25-Jun-08 1000 1 <1 <1 2.81 128 10-Sep-08 3600 8.6 <1 <1 36.2 113 15-Oct-08 4200 12 <1 <1 47.8 124 4-Mar-09 1100 1.2 <1 <1 3.2 127 24-Jun-09 990 1.2 <1 <1 2.4 132 15-Sep-09 6600 15 <1 <1 0.1 43 14-Dec-09 4700 16 ND ND 26.7 124    TW4-20 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 25-May-05 39000 NS ND ND 10.1 NS 31-Aug-05 3800 ND ND ND 2.9 NS 1-Dec-05 19000 ND ND ND 1.8 131 9-Mar-06 9200 ND ND ND 3.8 120 14-Jun-06 61000 ND ND ND 9.4 235 20-Jul-06 5300 ND ND ND 2.9 134 8-Nov-06 11000 7.1 1.9 2.2 3.5 124 28-Feb-07 4400 3.1 ND 1.1 4.2 124 27-Jun-07 1800 2.2 ND ND 2.3 112 15-Aug-07 5200 3.5 ND 1.8 2.1 117 10-Oct-08 9000 6.8 ND 1.9 5.6 170 26-Mar-08 13000 9.0 ND 1.5 0.9 132 25-Jun-08 30000 13 ND 1.2 7.96 191 10-Sep-08 21000 15 ND 3.7 4.44 156 15-Oct-08 NS NS NS NS 5.51 166 4-Mar-09 8200 5.7 ND 5.2 5.1 164 24-Jun-09 6800 4.9 ND 4.2 2.9 164 15-Sep-09 13000 8.4 ND 4.4 3.3 153 14-Dec-09 15000 14 ND 3.0 5.3 187 TW4-21 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 25-May-05 192 NS NS NS 14.6 NS 31-Aug-05 78 ND ND ND 10.1 NS 1-Dec-05 86 ND 1.0 ND 9.6 353 9-Mar-06 120 ND ND ND 8.5 347 14-Jun-06 130 ND ND ND 10.2 318 20-Jul-06 106 ND ND ND 8.9 357 8-Nov-06 12.5 2.0 ND ND 5.7 296 28-Feb-07 160 1.8 ND ND 8.7 306 27-Jun-07 300.0 5.8 ND ND 8.6 327 15-Aug-07 140 ND ND ND 8.6 300 10-Oct-07 120 ND ND ND 8.3 288 26-Mar-08 380 7.0 ND ND 14.3 331 25-Jun-08 160 1.7 ND ND 8.81 271 10-Sep-08 120 1.6 ND ND 7.57 244 15-Oct-08 170 2.0 ND ND 8.0 284 11-Mar-09 180 ND ND ND 8.3 279 24-Jun-09 200 ND ND ND 8.1 291 15-Sep-09 200 ND ND ND 9.2 281 29-Dec-09 380 ND ND ND 17.8 175 TW4-22 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 25-May-05 340 NS NS NS 18.2 NS 31-Aug-05 290 ND ND ND 15.7 NS 1-Dec-05 320 ND ND ND 15.1 263 9-Mar-06 390 ND ND ND 15.3 236 06/14/06 280 ND ND ND 14.3 221 07/20/06 864 ND ND ND 14.5 221 11/08/06 350 ND 1.6 ND 15.9 236 28-Feb-07 440 ND ND ND 20.9 347 06/27/07 740 ND ND ND 19.3 273 Aug-15-07 530 ND ND ND 19.3 259 Oct-10-08 440 ND ND ND 18.8 238 03/26/08 1400 ND ND ND 39.1 519 06/25/08 1200 ND ND ND 41.9 271 10-Sep-08 6300 1.3 ND ND 38.7 524 15-Oct-08 630 ND ND ND 36.3 539 11-Mar-09 390 ND ND ND 20.7 177 24-Jun-09 730 ND ND ND 20.6 177 15-Sep-09 2300 ND ND ND 40.3 391 29-Dec-09 380 ND ND ND 17.8 175 TW4-23 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 06/27/07 ND ND ND ND ND 47 Aug-15-07 ND ND ND ND ND 46 Oct-10-08 ND ND ND ND ND 43 03/26/08 ND ND ND ND ND 41 06/25/08 ND ND ND ND ND 41 10-Sep-08 ND ND ND ND ND 35 15-Oct-08 ND ND ND ND ND 51 11-Mar-09 ND ND ND ND ND 41 24-Jun-09 ND ND ND ND ND 43 15-Sep-09 ND ND ND ND ND 43 16-Dec-09 ND ND ND ND ND 37 TW4-24 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 06/27/07 0 ND ND ND 26.1 770 Aug-15-07 0 ND ND ND 29.0 791 Oct-10-08 1.5 ND ND ND 24.7 692 03/26/08 2.9 ND ND ND 24.4 740 06/25/08 1.4 ND ND ND 45.3 834 10-Sep-08 1.5 ND ND ND 38.4 1180 15-Oct-08 0 ND ND ND 44.6 1130 11-Mar-09 1.4 ND ND ND 30.5 1010 24-Jun-09 1.5 ND ND ND 30.4 759 15-Sep-09 2.2 ND ND ND 30.7 618 17-Dec-09 1.2 ND ND ND 28.3 1080 TW4-25 Chloroform (ug/l) Carbon tetrachloride (ug/l) Chloromethane (ug/l) Methylene Chloride (ug/l) Nitrate (mg/l) Chloride (mg/l) 06/27/07 ND ND ND ND 17.1 395 Aug-15-07 ND ND ND ND 16.7 382 Oct-10-08 ND ND ND ND 17.0 356 03/26/08 ND ND ND ND 18.7 374 06/25/08 ND ND ND ND 22.1 344 10-Sep-08 ND ND ND ND 18.8 333 15-Oct-08 ND ND ND ND 21.3 366 11-Mar-09 ND ND ND ND 15.3 332 24-Jun-09 ND ND ND ND 15.3 328 15-Sep-09 ND ND ND ND 3.3 328 16-Dec-09 ND ND ND ND 14.2 371 3000 4000 5000 6000 7000 (u g / L ) MW4-Chloroform Values 0 1000 2000 Se p - 9 9 De c - 9 9 Ma r - 0 0 Ju n - 0 0 Se p - 0 0 De c - 0 0 Ma r - 0 1 Ju n - 0 1 Se p - 0 1 De c - 0 1 Ma r - 0 2 Ju n - 0 2 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 2000 3000 4000 5000 6000 7000 (u g / L ) TW4-1 Chloroform Values 0 1000 2000 Ju n - 9 9 Se p - 9 9 De c - 9 9 Ma r - 0 0 Ju n - 0 0 Se p - 0 0 De c - 0 0 Ma r - 0 1 Ju n - 0 1 Se p - 0 1 De c - 0 1 Ma r - 0 2 Ju n - 0 2 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 3000 4000 5000 6000 7000 (u g / L ) TW4-2 Chloroform Values 0 1000 2000 Se p - 9 9 De c - 9 9 Ma r - 0 0 Ju n - 0 0 Se p - 0 0 De c - 0 0 Ma r - 0 1 Ju n - 0 1 Se p - 0 1 De c - 0 1 Ma r - 0 2 Ju n - 0 2 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 0 1 1 1 1 1 1 (u g / L ) TW-4-3 Chloroform Values TW4-3 Has been less than the detection limit since March 28, 2003 0 0 0 0 Se p - 0 6 Oc t - 0 6 No v - 0 6 De c - 0 6 Ja n - 0 7 Fe b - 0 7 Ma r - 0 7 Ap r - 0 7 Ma y - 0 7 Ju n - 0 7 Ju l - 0 7 Au g - 0 7 Se p - 0 7 Oc t - 0 7 No v - 0 7 De c - 0 7 Ja n - 0 8 Fe b - 0 8 Ma r - 0 8 Ap r - 0 8 Ma y - 0 8 Ju n - 0 8 Ju l - 0 8 Au g - 0 8 Se p - 0 8 Oc t - 0 8 No v - 0 8 De c - 0 8 Ja n - 0 9 Fe b - 0 9 Ma r - 0 9 Ap r - 0 9 Ma y - 0 9 Ju n - 0 9 Ju l - 0 9 Au g - 0 9 Se p - 0 9 Oc t - 0 9 No v - 0 9 De c - 0 9 1500 2000 2500 3000 3500 4000 4500 TW4-4 Chloroform Values 0 500 1000 Ju n - 0 0 Se p - 0 0 De c - 0 0 Ma r - 0 1 Ju n - 0 1 Se p - 0 1 De c - 0 1 Ma r - 0 2 Ju n - 0 2 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 (ug/L) 100 0 150.0 200.0 250.0 300.0 350.0 (u g / L ) TW4-5 Chloroform Values 0.0 50.0 100.0 De c - 9 9 Ma r - 0 0 Ju n - 0 0 Se p - 0 0 De c - 0 0 Ma r - 0 1 Ju n - 0 1 Se p - 0 1 De c - 0 1 Ma r - 0 2 Ju n - 0 2 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 100.0 150.0 200.0 250.0 300.0 (u g / L ) TW4-6 Chloroform Values (50.0) 0.0 50.0 6- J u n - 0 0 26 - M a r - 0 1 7- N o v - 0 1 12 - S e p - 0 2 23 - J u n - 0 3 29 - M a r - 0 4 17 - N o v - 0 4 31 - A u g - 0 5 14 - J u n - 0 6 28 - F e b - 0 7 10 - O c t - 0 7 10 - S e p - 0 8 24 - J u n - 0 9 2000 3000 4000 5000 6000 (u g / L ) TW4-7 Chloroform Values 0 1000 2000 Se p - 9 9 De c - 9 9 Ma r - 0 0 Ju n - 0 0 Se p - 0 0 De c - 0 0 Ma r - 0 1 Ju n - 0 1 Se p - 0 1 De c - 0 1 Ma r - 0 2 Ju n - 0 2 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 200.00 300.00 400.00 500.00 (u g / L ) TW4-8 Chloroform Values -100.00 0.00 100.00 Se p - 9 9 De c - 9 9 Ma r - 0 0 Ju n - 0 0 Se p - 0 0 De c - 0 0 Ma r - 0 1 Ju n - 0 1 Se p - 0 1 De c - 0 1 Ma r - 0 2 Ju n - 0 2 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 20.00 30.00 40.00 50.00 60.00 70.00 (u g / L ) TW4-9 Chloroform Values -10.00 0.00 10.00 De c - 9 9 Ma r - 0 0 Ju n - 0 0 Se p - 0 0 De c - 0 0 Ma r - 0 1 Ju n - 0 1 Se p - 0 1 De c - 0 1 Ma r - 0 2 Ju n - 0 2 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 400 600 800 1000 1200 1400 (u g / L ) TW4-10 Chloroform Values -400 -200 0 200 De c - 0 1 Ma r - 0 2 Ju n - 0 2 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 2000 3000 4000 5000 6000 7000 (u g / L ) TW4-11 Chloroform Values 0 1000 2000 De c - 0 1 Ma r - 0 2 Ju n - 0 2 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 1 1 1 1 1 2 (u g / L ) TW4-12 Chloroform Values 0 0 0 1- S e p - 0 2 1- D e c - 0 2 1- M a r - 0 3 1- J u n - 0 3 1- S e p - 0 3 1- D e c - 0 3 1- M a r - 0 4 1- J u n - 0 4 1- S e p - 0 4 1- D e c - 0 4 1- M a r - 0 5 1- J u n - 0 5 1- S e p - 0 5 1- D e c - 0 5 1- M a r - 0 6 1- J u n - 0 6 1- S e p - 0 6 1- D e c - 0 6 1- M a r - 0 7 1- J u n - 0 7 1- S e p - 0 7 1- D e c - 0 7 1- M a r - 0 8 1- J u n - 0 8 1- S e p - 0 8 1- D e c - 0 8 1- M a r - 0 9 1- J u n - 0 9 1- S e p - 0 9 1- D e c - 0 9 0 1 1 1 1 (u g / L ) TW4-13 Chloroform has not been detected in TW4-13 0 0 0 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 0 1 1 1 1 (u g / L ) TW4-14 Chloroform has not been detected in TW4-14 0 0 0 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 3000 4000 5000 6000 7000 8000 9000 (u g / L ) TW4-15 Chloroform Values 0 1000 2000 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 200 300 400 500 600 (u g / L ) TW4-16 Chloroform Values -200 -100 0 100 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 0.6 0.8 1.0 1.2 1.4 1.6 1.8 (u g / L ) TW4-17 Chloroform Values 0.0 0.2 0.4 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 200 300 400 500 (u g / L ) TW4-18 Chloroform Values -100 0 100 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 3000 4000 5000 6000 7000 8000 (u g / L ) TW4-19 Chloroform Values 0 1000 2000 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 30000 40000 50000 60000 70000 (u g / L ) TW4-20 Chloroform Values 0 10000 20000 Ma y - 0 5 Au g - 0 5 No v - 0 5 Fe b - 0 6 Ma y - 0 6 Au g - 0 6 No v - 0 6 Fe b - 0 7 Ma y - 0 7 Au g - 0 7 No v - 0 7 Fe b - 0 8 Ma y - 0 8 Au g - 0 8 No v - 0 8 Fe b - 0 9 Ma y - 0 9 Au g - 0 9 No v - 0 9 150 200 250 300 350 400 (u g / L ) TW4-21 Chloroform Values 0 50 100 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 2000 3000 4000 5000 6000 7000 (u g / L ) TW4-22 Chloroform Values 0 1000 2000 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 0 1 1 1 1 (u g / L ) TW4-23 Chloroform has not been detected in TW4-23 0 0 0 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 1.5 2 2.5 3 3.5 (u g / l ) TW4‐24 Chloroform Values 0 0.5 1 Ju n ‐07 Ju l ‐07 Au g ‐07 Se p ‐07 Oc t ‐07 No v ‐07 De c ‐07 Ja n ‐08 Fe b ‐08 Ma r ‐08 Ap r ‐08 Ma y ‐08 Ju n ‐08 Ju l ‐08 Au g ‐08 Se p ‐08 Oc t ‐08 No v ‐08 De c ‐08 Ja n ‐09 Fe b ‐09 Ma r ‐09 Ap r ‐09 Ma y ‐09 Ju n ‐09 Ju l ‐09 Au g ‐09 Se p ‐09 Oc t ‐09 No v ‐09 De c ‐09 0 1 1 1 1 (u g / L ) TW4-25 Chloroform has not been detected in TW4-25 0 0 0 Se p - 0 2 De c - 0 2 Ma r - 0 3 Ju n - 0 3 Se p - 0 3 De c - 0 3 Ma r - 0 4 Ju n - 0 4 Se p - 0 4 De c - 0 4 Ma r - 0 5 Ju n - 0 5 Se p - 0 5 De c - 0 5 Ma r - 0 6 Ju n - 0 6 Se p - 0 6 De c - 0 6 Ma r - 0 7 Ju n - 0 7 Se p - 0 7 De c - 0 7 Ma r - 0 8 Ju n - 0 8 Se p - 0 8 De c - 0 8 Ma r - 0 9 Ju n - 0 9 Se p - 0 9 De c - 0 9 Chloroform Investigation Wells ‐ Daily Inspection Report Date: Inspection Ti It Weather and Wellhead Protective  B (kOK Electric System  (kOK t Heat Lamp  Operational Status  Flow Meter  Operational (mark Pump Operational  (kOK t Ab lOti Pt tilPbl Chloroform Investigation Wells  Daily Inspection Report Inspection  No.Time Inspector Weather and  Temp.Boxes (mark OK or  note otherwise) (mark OK or note  otherwise) Operational Status  (mark OK or note  otherwise) Operational (mark  OK or note  otherwise) (mark OK or note  otherwise) Abnormal Operation or Potential Problems 1 2 3 4 5 6 7 8