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HomeMy WebLinkAboutDRC-2014-005281 - 0901a0688048e6d7ENERGYFUELS Energy Fuels Resources (USA) Inc. 225 Union Blvd. Suite 600 Lakewood, CO, US, 80228 303 974 2140 www.energytuels.com September 8, 2014 Sent VIA OVERNIGHT DELIVERY DRC-2014-005281 Mr. Rusty Lundberg Division of Radiation Control Utah Department of Environmental Quality 195 North 1950 West P.O. Box 144850 Salt Lake City, UT 84114-4820 Re: Response to Utah Division of Radiation Control ("DRC") July 10, 2014 Radioactive Materials License ("RML") UT 1900479, Amendment 7, Request for an update Environmental Protection Manual ("EPM") for the White Mesa Mill Dear Mr. Lundberg: This letter responds to the above-named RML Amendment dated July 10, 2014, Section 11.9, which required that Energy Fuels Resources (USA) Inc. ("EFRI") submit a revised EPM for the White Mesa Mill within 60 days of RML approval. For ease of review, this letter provides each of the requirements specified in Section 11.9 of the revised RML verbatim, in italics, below, followed by EFRI's response. The White Mesa Mill EPM is comprised of fifteen separate Standard Operating Procedures ("SOPs") or Plans, housed in one binder. Only those SOPs which require revision are attached to this response letter. It is important to note that additional changes to correct typographical errors or to update procedures are also included for completeness purposes only, and were not made to respond to the RML Amendment. The changes are in redline text for your convenience. RML Section 11.9 Requirements 11.9 The licensee shall submit a revised Environmental Protection Manual for the White Mesa Mill within 60 days of license approval. The revised Environmental Protection Manual shall include 2 additional air monitoring stations and a revised soil sampling program. The licensee shall also analyze whether a revised vegetation sampling program is appropriate. In addition, air particulate sample analysis will include Thorium 232, and every air monitoring station will also monitor for radon (Rn222) and gamma detection devices on a quarterly basis. Implementation of the revised environmental monitoring program shall be completed 90 days after Director approval of the revised Environmental Protection Manual unless another deadline is approved by the Director. [Applicable UDRC Amendment: 7] Letter to Rusty Lundberg September 8, 2014 Page 2 of 4 RML Requirement The licensee shall submit a revised Environmental Protection Manual for the White Mesa Mill within 60 days of license approval. EFRI Response: The attached, revised sections of the EPM have been submitted on or before September 8, 2014, which is 60 days after July 10, 2014 RML approval. RML Requirement The revised Environmental Protection Manual shall include 2 additional air monitoring stations... EFRI Response: EPM Section 1.1 has been revised to include the addition of two additional air monitoring stations as required (BHV-7 and BHV-8). The locations for these two stations were specified by DRC in correspondence dated June 12, 2014. EFRI placed the stations as close to the DRC-specified locations as possible. Attachment A in Section 1.1 shows the approximate locations of the two new monitoring stations. The monitoring stations will be placed into service within 90 days after approval of the attached EPM. A survey of the locations will be completed after the final placement of the monitoring stations. RML Requirement The revised Environmental Protection Manual shall include ....a revised soil sampling program. EFRI Response: EPM Section 4.1 has been revised to include the collection of an additional 67 soil samples for the analysis of radium-226 and uranium ("UNat"). The additional samples will be collected at a frequency of every 500 feet along the northern Mill boundary and the north half of the eastern boundary (in/adjacent to Sections 22, 27 and 34) and at a frequency of every 2500 feet for the remainder of the perimeter boundary. As reported in the SAERs, previous soil results from the BHV-1, BHV-5, and BHV-6 indicate no impacts from Mill activities and the historic results are within expected analytical variation. The current program is appropriate for assessing impacts from Mill activities because BHV-1, BHV-5, and BHV-6 are on or within the property boundaries which represent the areas of potential impact from Mill activities. Because the current sample locations are on or within the Mill boundaries, they will indicate whether any contamination has left the property boundary. 2 Letter to Rusty Lundberg September 8, 2014 Page 3 of 4 RML Requirement The licensee shall also analyze whether a revised vegetation sampling program is appropriate. EFRI Response: EFRI has been collecting vegetation samples, northeast, (near BHV-1) northwest (1/2 mile west of BHV-1) and southwest (west of BHV-4 and south of the tailings cells) of the Mill operations since 1981. The northeast sample is on the Mill northern boundary, the northwest sample is on the Mill property line and the southwest sample is collected west of BHV-4 and south of the tailings cells, outside of the plant process area. The vegetation samples are collected three times per year; early spring, late spring and late fall and are analyzed for radium-226 and lead-210. As reported in the Semi-Annual Effluent Reports ("SAERs"), previous vegetation results indicate no impacts from Mill activities, and the historic results are within expected analytical variation. The current program is appropriate for assessing impacts from Mill activities because the locations currently sampled are on the property boundaries or just outside of the property boundaries which represent the areas of potential impact from Mill activities. Because the current sample locations are on or within the Mill boundaries, they will indicate whether any contamination has left the property boundary. As previously stated the current vegetation sampling program is appropriate for the assessment of Mill activities. RML Requirement In addition, air particulate sample analysis will include Thorium 232 EFRI Response: EPM Section 1.1 has been revised to include the analysis of Thorium 232 on the particulate filters. The Thorium 232 analyses will be reported starting with the third quarter 2014 samples. RML Requirement and every air monitoring station will also monitor for radon (Rn222).... on a quarterly basis. EFRI Response: EPM section 1.2 has been revised to include radon monitoring at the two new particulate monitoring stations specified in the RML amendment. The data will be reported in the SAER. The data will be included in the first regularly scheduled SAER following Director approval of the revised EPM. 3 Letter to Rusty Lundberg September 8, 2014 Page 4 of 4 RML Requirement and every air monitoring station will also monitor for gamma detection devices on a quarterly basis. EFRI Response: Gamma monitoring has been conducted at the particulate air monitoring stations BHV-1 through BHV-5 since 1981. Gamma monitoring has been conducted at BHV-6 since the placement of the station in 2002. The gamma monitoring data are included in the routine SAERs. EPM Section 4.3 has been revised to include gamma monitoring at the two new particulate monitoring stations specified in the RML amendment. Please contact me if you have any questions or require any further information. Yours very/truly, Kathy Weinel Quality Assurance Manager cc: Scott Bakken Frank Filas David C. Frydenlund Dan Hillsten Harold R. Roberts David E. Turk 4 REDLINE White Mesa Mill - Standard Operating Procedures Book#l 1, Environmental Protection Manual, Section El Date: 03^08/14 Revision: EFR-45 Page 1 of 67 AIR MONITORING - PARTICULATE RADIONUCLIDES PART I AIR MONITORING PLAN 1.0 PARTICULATE RADIONUCLIDE AIR MONITORING Air samples for monitoring particulate radionuclides are taken at the following four locations: (See Attachment A) BHV-1 Northeast of the Mill at the meteorological station. BHV-2 Approximately 2.5 miles north of the Mill. BHV-4 Approximately 400 yards south of Cell No. 4. BHV-5 Approximately 100 yards south of the intersection of Highway 191 and the Mill access road. BHV-6 Approximately 0.5 miles south of BHV-5 along Highway 191. BHV-7 Approximately 0.8 miles south of BHV-1 along Highway 191. BHV-8 Approximately 0.6 miles west of BHV-1. Air samples are collected on a weekly basis. A composite of 13 weekly samples from each of the above locations is prepared to form a quarterly sample for each location. 2.0 QUALITY ASSURANCE Quality assurance of the samples is met by collecting samples in accordance with the conditions and guidelines set forth in this SOP (Section 6.0). Quality assurance of the analytical results is based on the contract laboratory's quality controls such as blanks, duplicates, and standard percent recovery. The laboratory will also follow U.S. EPA Guide SW-846 and U.S. NRC Regulatory Guides 4.14 and 4.15 when analyzing the air filter samples. The laboratory is committed to meet the LLD values for radionuclides listed in these guidance documents, and will perform re-runs on all samples not meeting these limits. 3.0 ANALYTICAL REQUIREMENTS Each quarterly sample will be analyzed for U-natNat, Ra-226, Th-230, afrd-Pb-210 and Th-232. Results will be expressed in picocuries per milliliter (pCi/mL). PART II STANDARD OPERATING PROCEDURES 1.0 EQUIPMENT The equipment used in monitoring levels of particulate radionuclides consists of high volume air samplers equipped with mass flow controllers and vacuum switch controlled timers. The samplers are capable of collecting air through the sample filter at a White Mesa Mill - Standard Operating Procedures Book #11, Environmental Protection Manual, Section 1.1 Date: 03/4408/14 Revision: EFR-45 Page 2 of 67 volumetric flow rate of approximately 40 standard cubic feet per minute (scfm). The mass flow controller varies the actual air flow rate as dictated by changing temperature, filter loading, and barometric pressure to maintain a constant standard air flow rate. The actual rate is read directly from the analog gauge located on the front panel. The timer is turned off when no vacuum exists in the system, i.e., when the motor/blower assembly is disconnected or otherwise malfunctions. Particulates are trapped on an 8 x 10-inch glass micro fiber filter such as one of the following, or equivalent: 1. Whatman EPM 1000 2. Whatman EPM 2000 3. Schliecher & Schuell #1 HV. 2.0 MONITORING METHODOLOGY The air samplers are mounted on towers approximately 2 meters above ground plane. The samplers run continuously except for calibration, mechanical or electrical failure, and maintenance down time. Target flow rate will be 36 scfm. Air filters are replaced weekly due to particulate loadings. Maximum filter use duration will be weekly unless weather conditions prohibit safe access to one or more of the air monitoring station locations. Each filter is stamped by the manufacturer with a unique number. The blank filters are weighed to the nearest 0.0001 gram using a Sartorius Model 2432 analytical balance or equivalent. The filters are kept in manila folders inside resealable plastic bags for support during transportation to the site. The tare weight is then recorded on each filter folder along with the location, filter number, start date, and start time. This information is then input into an analytical data file on the computer. When the sampled filters are collected in the field, the stop dates and times are entered on the folder. On return from the field, the filters are again weighed and the gross weights are recorded on the folders. The weights, stop dates, and stop times are then recorded into the analytical data file that is printed off and sent to the contract laboratory. Samples are collected continuously for approximately one week. The "loaded" filters are removed from the shut down samplers, folded, and placed in the folders in the plastic bags. If any part of the filter remains on the seal gasket, it is removed and added to the folder. The new filters are removed from their folders and placed on the vacuum head with the filter holder frame tightened enough to seal, but not tight enough to rupture the filters. The samplers are then turned on. Each station's filters are composited on a quarterly basis (13 weeks) by the environmental staff. The samples are forwarded, along with an analytical sheet and Chain of Custody (COC) form (provided by the contract laboratory), to the contract laboratory in sealed plastic bags. White Mesa Mill - Standard Operating Procedures Book #11, Environmental Protection Manual, Section 1.1 Date: 03/4408/14 Revision: EFR-45 Page 3 of 67 3.0 CALIBRATION 3.1 Orifice Plate The orifice plates shall be calibrated every year as recommended by the EPA. A certified calibration laboratory that will use the EPA or an EPA-approved method will do the calibration. Calibration records are kept in the environmental files. 3.2 Sampler Calibration of the equipment occurs during the first Monday of each month. If a non- scheduled motor replacement is necessary, the sampler is re-calibrated. An orifice plate assembly and U-tube manometer are used for monthly calibrations. The sampler flow rate is regulated to a standard air volume that is recorded on the field calibration sheet using 20°C. (298 K) and 29.2 inches (760 mm) of mercury as standard conditions. The top portion of the Monthly Calibration and Weekly Flow Check Worksheet (Attachment C) is completed for each air sampling station and retained in the files. The monthly calibration task involves the following: 1. Before visiting each monitoring location, the air temperature and barometric pressure are recorded. 2. The motors are replaced as required. The replacement motors are prepared at the Mill office. 3. A filter is placed within the orifice plate, and the orifice plate is secured on top of the vacuum head. 4. The orifice plate is connected to the U-tube manometer and the initial inches H20 is recorded and a flow rate calculated using the current field temperature and pressure. 5. The control screw is adjusted as necessary to advance or slow the vacuum motor to reach the desired flow rate. The final flow rate must be at least 32 scfm on the analog meter and reach 75% onstream time for the quarter to meet the required LLD for the radionuclide parameters. 4.0 CALCULATIONS Using inches of water from the U-tube, refer to the following subsections to perform the calculation of flow rate. Section 4.1 provides the equation used to compute the flow rate at field conditions, and (the "actual" flow rate [Qa]), in cubic meters per minute. Actual flow rate must be corrected to standard flow rate (Qs) using the flow rate equation in Section 4.2. The standard flow rate is then converted to standard cubic feet with the conversion equation in Section 4.3. 4.1 Orifice Equation Using the inches of water White Mesa Mill - Standard Operating Procedures Book#l 1, Environmental Protection Manual, Section 1.1 Date: 03^408/14 Revision: EFR-45 Page 4 of 67 measurement, determined from the U-tube, the following equation is used to calculate the flow rate at field conditions: Qa = \lm< AH i. Where: Qa = Actual flow rate at field conditions (nrVmin) m = Slope value from Qa portion of orifice calibration AH = Manometer reading (in. H20) Ta = Actual temperature (273 + °C = K) [from the meteorological station data (temperature readings) that are downloaded weekly] Pa = Actual atmospheric pressure (mrnHg) [from the meteorological station data (barometric pressure readings) that are downloaded weekly] b = Intercept value from Qa portion of orifice calibration The constants m and b in the above equation are provided by the calibration laboratory for each specific calibrated orifice (Attachment D). Each orifice will have unique performance properties that relate to design; those measured performance properties are incorporated into the flow equation as specific constants. The flow equation demonstrates the relationship between measured vacuum pressure in inches of water to actual flow rate utilizing this device. 4.2 Standard Conditions Flow Rate Equation The flow rate at standard conditions is calculated by adjusting the field condition flow rate, calculated above, by the following equation: f r, \ \ sJ\ aJ Where: Qs = Standard flow rate at standard conditions (m3/min) Qa = Actual flow rate at field conditions (m3/min) Ta = Actual temperature (273 + °C = K) Pa = Actual atmospheric pressure (mrnHg) Ts = Standard temperature = 298 K Ps = Standard atmospheric pressure = 760 mrnHg White Mesa Mill - Standard Operating Procedures Book #11, Environmental Protection Manual, Section 1.1 Date: 03/4408/14 Revision: EFR-45 Page 5 of 67 4.3 Correction Equation To convert the standard flowrate, from cubic meters per minute to standard cubic feet per minute, use the following equation: The records are kept on the filter folders and the field worksheets, which are retained in the environmental files in the environmental office and are also entered into the analytical data file on the computer after the data have been reviewed. The following information will be entered into the computer data file (see Attachment E): • Filter number . Start date • Stop date • Start time • Stop time • Starting manometer reading (AH) (in. H2O) • Stopping manometer reading (AH) (in. H20) • Weekly average temperature (Ta) (°C) • Weekly average pressure (Pa) (mrnHg) • Tare filter weight (g) • Gross filter weight (g) The following information will be calculated by the computer file (see Attachment E): • Total time (min) • Average manometer reading (AH) (in. H2O) • Weekly average temperature (K) • Actual flow rate (Qa) (m3/min) • Standard flow rate (Qs) (m3/min) • Standard flow rate (Qs) (ftVmin) • Total standard volume (m ) • Net weight (mg) • Loading (mg/m3) • Percent onstream 6.0 QUALITY ASSURANCE 6.1 Installation and Removal of Filters Field methods to assure quality of air sample collection include the following: 1. Inspection of all new filters for aberrations and discarding damaged ones. 2. Maintaining seals on equipment connections. 3. Careful installation and removal of filters, retaining all abraded filter media. a(/'%J=35.315xG.!fen) 5.0 RECORD KEEPING White Mesa Mill - Standard Operating Procedures Book #11, Environmental Protection Manual, Section 1.1 Date: 02/4408/14 Revision: EFR-45 Page 6 of 67 4. Proper sequential handling of all filters. 5. Filters are inspected for fingerprint contamination by visual observation. 6.2 Sample Duration Maintenance of sample duration is assured by: 1. Installation of a vacuum-actuated timer which operates the timer only when the motor is running and pulling the minimum allowable vacuum. 2. Weekly monitoring of stations and inspecting wear on the motors and proper change-out at appropriate intervals (monthly). 6.3 Sample Flow Rate Quality assurance of each sampler's flow rate is accomplished by weekly readings of the sampler's flow characteristics using a manometer. Sampler pressure drop readings are measured on a weekly basis using a manometer and going through the monthly calibration steps. This value, along with average weekly temperature and pressure values from the site meteorological station, are used to determine weekly flow rate values. Monthly checks of flow controller operation and documentation thereof also provide quality assurance. Samplers are calibrated and checked at motor rotation intervals (monthly). 6.4 Calculations Calculations are checked on a random basis for inconsistencies, and such checks are documented. Upon retrieval of the data analytical sheet from the contract laboratory, the date of receipt is noted, along with the date of transcription is noted on the sample station log sheet with the transcriber's initials. The transcription of data is reviewed by another person in the Environmental Department to minimize transposition of numerical values. Calculation and data storage is by computer program. 6.5 Sampler Performance A record of sampler operation time versus total possible duration time is maintained as a flag against excessive equipment downtime. Sampler performance is reviewed monthly. 6.6 Quality Control Methodology Blanks are weighed each week and submitted alongside the actual filters. The filters and blanks are recorded on an analytical sheet which is sent to the vendor, and this sheet is returned with the results. BHV-2 — 1 i V? BHV-8 BHV-1 6 — L I BHV-7 ; > BHV-5 BHV-6 ' BHV-4 Actual Location of BHV-3 is 34,500'Feet Due Wes Energy Fuels Resources (USA) Inc. r *v c1 J 91 Tentative location based on DRC correspondence dated June 12, 2014. Final locatons will be surveyed after installation. Installation will be performed after DRC approval of The Environmenta Protection Manual. N 1 IN = 6 000 F r 0.5 1.5 Miles Legend * Existing Air Monitoring Station <D> Tentative Air Monitoring Station Canyon Rim Drainage Road |m|Property Boundary I iTailinas Cell C^Township gncj Range I I Section Pond Coordinate System: NAD 1983 StatePlane Utah South FIPS 4303 Feet er ENERGYFUELS REVISIONS By Project: WHITE MESA MILL County: San Juan State Utah Location ATTACHMENT A PARTICULATE MONITORING STATIONS Author mhenington Date 8/22/2014 Drafted By mhenington IJ\BORATORILS iiiWWj Mi IU r-yt PLEASE PRINT (Provide as much information as possible.) Page. of Company Name: Project Name, PWS, Permit, Etc. Sample Origin State: EPA/State Compliance: Yes • No • Report Mail Address: Contact Name: Phone/Fax: Email: Sampler: (Please Print) Invoice Address: Invoice Contact & Phone: Purchase Order: Quote/Bottle Order: Special Report/Formats: • DW • POTW/WWTP • State: • Other: • EDD/EDT(Electronic Data) Format: • LEVEL IV • NELAC Q >-OJ CO cn^ {ycogSifc o><8 s?| 4» CL oj O Q • co CD H Z at S x o < SAMPLE IDENTIFICATION (Name, Location, Interval, etc.) Collection Date Collection Time MATRIX R U S H Contact ELI prior to RUSH sample submittal for charges and scheduling - See Instruction Page Comments: Shipped by: Cooler tO(%): Receipt Tamp On lc«: Y N Custody Seal On Bottle On Cooler Intact Signature Match Custody Record MUST be Signed "Relinquished by (print). Date/Time: Signature: Relinquished by (print): Date/Time. Signature: jample Disposal: Return to Client: Lab Disposal:. Received by (pnnt)' Datefilme: Signature: Received by (pnnt)' Date/Time: TJeceTve^ByTaTOraToTyT^^^^^^^aleTTlmQT Signature: Signature: 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-co t data will be clearly notated on your analytical report. Visit our web site at www.eneravlab.com for additloi, ,ormation, downloadable fee schedule, forms, and links. ATTACHMENT C MONTHLY CALIBRATION AND WEEKLY FLOW CHECK WORKSHEET Site: Date of Calibration: Temperature (Ta):_ °C/ K Orifice Plate No.: _ Calibrator's Name: Pressure (Pa): .mrnHg (25.4 x inches) Monthly Calibration for the Month of: (i) Initial Manometer (AH) (in. H2Q) Qa^ Actual Flow (m3/min) Standard Flow (m3/min) QS W | Adjusted Standard Flow Manometer(5) (ftVmin) (in. H2Q) Adjusted Qs ^ (ft3/min) Weekly Flow Check Start Start Time Week Filter Number Date Starting "T Manometer Stop (in. H2Q) Date Stop Time Stopping Manometer (in. H20) Orifice Information Orifice S/N Qa Slope (m) Qa Intercept (b) Calibration Date Orifice Notes: Information to left found on the latest certification worksheet delivered with a newly certified orifice. Orifice should be calibrated annually. Slope and intercept values should come from Qa portion of the calibration. Monthly Calculations: 1) Connect the U-tube manometer to the orifice plate then read and record the initial pressure drop. 2) Use the manometer reading to calculate the actual flow rate using the Qa equation below, which uses actual temperature and pressure as well as specific orifice values filled out above. 3) Convert actual flow rate to standard flow rate using the Qs equation below. 4) Convert the standard flow rate from (m3/min) to (ft3/min). 5) If necessary, adjust the control screw so that the final flow rate is between 32-40 ft /min. (2) Qa =\lm-AH ( O V T \ (3) Qs = Qa -b (4) a(*/4)=35.315x0>%,n) Where: Qa = Actual flow rate at field conditions (m3/min) Qs = Standard flow rate at standard conditions (m3/min) m = Slope value from Qa portion of orifice calibration b = Intercept value from Qa portion of orifice calibration AH = Manometer reading (in. H20) Ta = Actual temperature (273 + °C = K) Pa = Actual atmospheric pressure (mrnHg) Ts = Standard temperature = 298 K Ps = Standard atmospheric pressure = 760 mrnHg Environmenta ATTACHMENT D TISCH {k TISCH ENVIRONMENTAL, INC. 145 SOUTH MIAMI AVE VILLAGE OF CLEVES, OH 45002 513.467.9000 877.263.7610 TOLL FREE 513.467.9009 FAX ORIFICE TRANSFER STANDARD CERTIFICATION WORKSHEET TE-5025A Date - Jul 10, 2014 Rootsmeter S/N 0438320 Ta (K) - 296 Operator Tisch Orifice I.D. - 8091779 Pa (mm) - 754.38 PLATE OR Run # VOLUME START (m3) VOLUME STOP (m3) DIFF VOLUME (m3) DIFF TIME (min) METER DIFF Hg (mm) ORFICE DIFF H20 (in.) 1 2 3 4 5 NA NA NA NA NA NA NA NA NA NA 1 1 1 1 1 00 00 00 00 00 1.3890 0.9870 8770 8370 6900 0 0 0 3 . 3 6.4 8 .1 9.0 12 . 9 2 .00 4 .00 5 .00 5.50 8 .00 DATA TABULATION Vstd (x axis) Qstd (y axis) Va (x axis) Qa (y axis) 0.9949 0.9907 0,9885 0.9874 0.9822 0. 7163 1. 0038 1.1271 1.1797 1.4235 1 1 2 2 2 4137 9993 2353 3444 8275 0.9956 0.9914 0.9892 0.9881 0.9829 0.7168 1.0045 1.1279 1.1805 1.4245 8859 2528 4007 4690 7717 Qstd slope (m) = 1.99700 intercept (b) = -0.01294 coefficient (r) = 0.99992 Qa slope (m) = 1.25049 intercept (b) = -0.00811 coefficient (r) = 0.99992 y axis = SQRT[H20(Pa/760) (298/Ta)] y axis = SQRT[H20(Ta/Pa)] CALCULATIONS Vstd = Diff. Vol[(Pa-Diff, Hg)/760](298/Ta) Qstd = Vstd/Time Va = Diff Vol [(Pa-Diff Hg)/Pa] Qa = Va/Time For subsequent flow rate calculations: Qstd = l/m{[SQRT(H20(Pa/760)(298/Ta))]- b} Qa - l/m{[SQRT H20(Ta/Pa)]- b} ATTACHMENT D TISCH i O Environmenta TISCH ENVIRONMENTAL, INC. 145 SOUTH MIAMI AVE VILLAGE OF CLEVES, OH 45002 513.467.9000 877.263.7610 TOLL FREE 513.467.9009 FAX ORIFICE TRANSFER STANDARD CERTIFICATION WORKSHEET TE-5025A Date - Jul 21, 2014 Rootsmeter S/N 0438320 Ta (K) - 299 Operator Tisch Orifice I.D. - 5-76-02 Pa (mm) - 754.38 PLATE OR Run # VOLUME START (m3) VOLUME STOP (m3) DIFF VOLUME (m3) DIFF TIME (min) METER DIFF Hg (mm) ORFICE DIFF H20 (in.) 1 2 3 4 5 NA NA NA NA NA NA NA NA NA NA 1 1 1 1 1 00 00 00 00 00 1.3950 0.9800 0.8780 0.8370 0.6860 3 . 2 6 . 4 8 .1 8 . 9 12 . 9 2 . 00 4 . 00 5 . 00 5 . 50 8.00 DATA TABULATION Vstd (x axis) Qstd (y axis) Va (x axis) Qa (y axis) 0.9851 0 . 9808 0.9786 0.9776 0.9723 0. 7061 1.0008 1.1146 1. 1680 1.4174 1.4066 1.9893 2.2241 2.3326 2.8132 0 0 0 0 0 9957 9914 9892 9882 9829 0.7138 1.0116 1.1266 1.1806 1.4328 0.8903 1.2591 1.4077 1.4765 1.7807 Qstd slope (m) = 1.98285 intercept (b) = 0.00883 coefficient (r) = 0.99986 Qa slope (m) = 1.24163 intercept (b) = 0.00559 coefficient (r) = 0.99986 y axis = SQRT[H20(Pa/760)(298/Ta)] y axis = SQRT[H20(Ta/Pa) ] CALCULATIONS Vstd = Diff. Vol[(Pa-Diff. Hg)/760](298/Ta) Qstd = Vstd/Time Va = Diff Vol [(Pa-Diff Hg)/Pa] Qa = Va/Time For subsequent flow rate calculations: Qstd = l/m{[SQRT(H20(Pa/760)(298/Ta))]- b) Qa = l/m{[SQRT H20(Ta/Pa)]- b} -———• BHV-1 Energey Fuels Resources - White Mesa Mill Period: July 1, 2014 - September 30, 2014 Calibration Date: 7/10/2014 Calibration Slope & Intercept: Orifice S/N: 8091779 m= 1.25049 b= -0.0081 Updated: 8/22/14 Week # Filter Number Start Date Stop Date Start Time Stop Time Total rime (min) AH Starting Manometer (in. HjO) AH Stopping Manometer (in. H20) AH Average Manometer (in. H,0) Ta WMy. Avj Temp. <°C) Ta WWty. Avg. Temp. (K) Pa WMy. Avg Pressure (mrnHg) Qa Act. Plow (mVmin) Qs Std. Flow (mVmin) Qs Std. Flow (SCFM) (ItVinin) Total Std. Volume (nr') Tare Weight Gross Weight <g) Net Weight Loading (mg/m') Percent On stream (%) 7130505 7/7/2014 7/14/2014 7278.3 17366.2 10087.9 4.0 4.0 4.0 19.0 292.2 621.03 1.10 32.48 9278.3 7123199 17366.2 27408.8 10042.6 3.5 3.6 3.6 20.0 293.2 621.03 1.04 0.87 30.56 8689.7 4.5221 44905_ 4.5319 46.3 0.0050 9.8 0.0011 100.1 99.6 7129193 27408.8 37640.7 10231.9 4.0 3.5 3.8 20.0 293.2 621.03 1.07 0.89 31.40 9098.0 4.5172 4.5218 4.6 0.0005 101.5 7129187 37640.7 47869.5 10228.8 3.0 3.9 3.5 20.0 293.2 621.03 1.03 0.85 30.13 8726.1 4.5303 4.5360 5.7 0.0007 101.5 47869.5 57734 9864.5 3.5 4.0 3.8 20.0 293.2 621.03 1.07 0.89 8771.3 4.5295 4.5380 8.5 0.0010 57734 67754.2 10020.2 4.0 3.9 20.0 293.2 621.03 1.09 0.91 32.02 9085.1 4.5402 4.5464 6.2 0.0007 67754.2 77803.4 10049.2 3.6 3.9 20.0 293.2 621.03 1.07 0.89 31.40 8935.5 4.5359 4.5435 7.6 0.0009 99.4 99.7 77803.4 83387.6 5584.2 3.7 3.7 293.2 621.03 1.06 0.88 30.98 4.5536 4.5610 7.4 0.0015 55.4 83387.6 93412.4 10024.8 3.8 4.0 3.9 20.0 293.2 621.03 1.09 0.91 32.02 9089.3 4.5542 4.5605 6.3 0.0007 99.5 10 93412.4 103434.8 10022.4 4.0 4.0 4.0 20.0 293.2 621.03 0.92 9202.2 4.5613 4.6928 0.0143 11 103434.8 113555.1 10120.3 3.5 3.6 3.6 20.0 293.2 621.03 1.04 0.87 30.56 8757.0 4.5489 4.5543 5.4 0.0006 100.4 12 17921.6 27945.8 10024.2 3.6 3.7 20.0 293.2 621.03 1.06 0.88 31.19 8854.0 4.5355 4.5454 9.9 0.0011 99.4 13 27945.6 38066.3 10120.7 3.7 4 0 3.9 20.0 293.2 621.03 0.90 31.81 9117.6 4.5355 4.5454 9.9 0.001 I 100.4 Totals 126421.7 11.56 408.38 112503.2 59.168 0.0291 Averages 9724.7 19.9 621.03 1.07 0.89 8654.1 4.531 4.551 19.9 0.0022 96.5 Comments: Insert weekly flow check values in yellow columns. Blue column vnlues are calculated. Green columns are calculated averages from the met station. columns. I White Mesa Mill - Standard Operating Procedures Date: 0408/14 Revision: EFR-32 Book #11, Environmental Protection Manual, Section 1.2 Page 1 of 3 AIR MONITORING -- RADON 1. RADON MONITORING PLAN 1.1 Locations and Frequency of Samples Radon samples are taken at the following locations: BHV-1 BHV-2 BHV-2A (Duplicate of BHV-2) BHV-3 (Background location for use in assessment of background concentrations) BHV-4 BHV-5 BHV-6 BHV-7 BHV-8 BHV-70 (Blank sample for use in assessment of effects due to sample shipment. Previously numbered as BHV-7) See Attachment A to Section 1.1 of this Environmental Protection Manual for the locations of these monitoring stations. Samples are collected on a quarterly basis using Radtrak® (Trac-Etch) Outdoor Air Radon Detector, (Landauer Part Number DRNM) or equivalent. One or more than 1 Radtrak® (Trac-Etch) Outdoor Air Radon Detector will be placed at each of the locations noted above (except BHV-70). The number of detectors to be placed at each location shall be as determined by the Radiation Aafety Officer ("RSO"). If multiple Radtrak® detectors are placed at one location, the numeric average of the results for that location will be calculated and reported as the radon value for quarter. 1.2 Quality Assurance Quality assurance of the samples is met by collecting samples in accordance with the conditions and guidelines set forth in Section 2 of this procedure. In addition, the following steps will be followed: a) One duplicate sample or set of duplicate samples will be collected each quarter by placing twe-samples at the same location as the routine sample(s), at the same height as the routine sample(s), and as close together to the routine sample(s) as reasonably achievable; b) A field blank sample will be collected each quarter to assess any concentrations resulting from shipment of the detectors; White Mesa Mill - Standard Operating Procedures Date: 0408/14 Revision: EFR-32 Book #11, Environmental Protection Manual, Section 1.2 Page 2 of 3 c) Detector locations will be monitored periodically to ensure the detectors have not been lost; d) Detector shipments will be inspected to ensure that all detectors are present when receiving or shipping detectors; and e) Monitoring data will be reviewed for consistency and data transportation issues/detections. 1.3 Analytical Requirements Each quarterly sample will be analyzed for Radon-222. Results will be expressed in pCi/L. 2. STANDARD OPERATING PROCEDURES 2.1 Equipment Samples will be collected using the Radtrak® (Trac-Etch) Outdoor Air Radon Detector (Landauer Part Number DRNM) or equivalent. The detectors will be returned to the supplier/manufacturer for processing and analysis. Detectors are analyzed using the "high sensitivity" methodology, which provides a lower limit of detection of 6.0 pCi/L- days. 2.2 Monitoring Methodology The following monitoring procedures will be followed: a) Remove detector from package - The Radtrak® radon detectors are supplied in aluminum bags which prevent radon exposure. Open the aluminum bag and remove the clear plastic cup which has a Radtrak® detector fastened to the bottom. Detectors, before, during or after exposure should not be in locations which exceed a temperature of 160°F (70°C). There is no low temperature. b) Fill in the enclosed Detector Log Sheet with the serial number on the detector label. Also fill in the date installed and the location information in the location/comments area. c) Attach a field canister to a post or other location using the metal bracket with the open mouth of the canister facing down. The canister may be placed at any desired height (typically 3-6 feet) and preferably in a location minimizing animal damage or tampering. Remove the clear acrylic retaining ring from the canister White Mesa Mill - Standard Operating Procedures Date: 0408/14 Revision: EFR-33 Book #11, Environmental Protection Manual, Section 1.2 Page 3 of 3 by removing the wing nuts. Install the assembled cup inside the canister and replace the retaining ring and wing nuts in order to hold the cup in place. d) Leave the detectors undisturbed for the duration of the three month monitoring period. e) At the end of the monitoring period, remove the Radtrak® detector from the plastic cup. Peel off the gold seal provided with the shipment and cover all the holes on the top of the detector. This stops the monitoring period. Record the ending date on the Detector Log Sheet. f) After all of the detectors have been collected and sealed, but prior to final packaging and shipment, open a new detector and immediately cover all the holes on the top of the detector with one of the gold seals provided with the shipment. Label this detector as BHV-^-TO on the Detector Log Sheet. Use the same exposure time/days for BHV-T70 as the seven-eight sample detectors when listing BHV-7-70 on the Detector Log Sheet. g) Return the seven detectors (six sample detectors and one blank detector) along with a copy of the Detector Log Sheet using the laboratory provided label for shipment back to the supplying organization. 3. RECORD KEEPING Data maintained in record form for environmental radon is: a) Sample period; b) Sample location; and c) Radon levels. White Mesa Mill - Standard Operating Procedures Book #11, Environmental Protection Manual, Section 4.1 Date: 0408/14 Revision: EFR-34 Page 1 of 4 SURFACE SOIL MONITORING PART I SOIL MONITORING PLAN 1.0 SOIL MONITORING Surface soils are sampled at the fi-ve-eight air monitoring sites and at spaced intervals around the perimeter boundary of the Mill property. The sampling locations^ are shown in Figure 1-, are as follows: BHV 1, BHV 2, BHV 3, BHV 1, BHV 5 and BHV 6. Soil samples from the northern Mill boundary and the north half of the eastern boundary (adjacent to Sections 22, 27 and 34) are collected approximately every 1000 feet. The remainder of the perimeter boundary soil samples are collected every 2500 feet. Soil samples are taken once per year during August or as soon as possible thereafter, but no later than September 30 of the year. In addition, a soil sample could be taken from Westwater Creek, in the place of a water sample. However, a sediment (soil) sample would only be taken at Westwater Creek if water was not available. In the event that a soil sample is collected in place of a water sample for Westwater Creek, the sample should be analyzed for the same parameters as those called for in this SOP (Radium-226 and U-nat). Refer to SOP No. PBL-EP-3 for details regarding collection of a water sample from Westwater Creek. 2.0 SAMPLING AND ANALYTICAL QUALITY ASSURANCE The sample bags are marked for location identification and are submitted to the analytical laboratory accompanied by Chain-of-Custody forms. (Attachment A) Analytical quality assurance for soil monitoring is based on the contract laboratory's quality controls such as blanks, duplicates, and standard percentage recovery. The laboratory is committed to meet the LLD values for radionuclides contained in U.S. NRC Regulatory Guides 4.14 and 4.15 and will perform re-runs on all samples not meeting these limits, as per EPA SW 846. Appropriate laboratory control and quality assurance data will be provided by the contract laboratory, or equivalent, including LLD information. 3.0 ANALYTICAL REQUIREMENTS All soil samples will be analyzed, on a dry basis for the following radionuclides: Ra-226 and U-Nat. Analytical results will be reported in appropriate radiological units such as pico curies per gram or micro curies per kilogram. PART II SOIL MONITORING STANDARD OPERATING PROCEDURES 1.0 SURFACE SOIL SAMPLING 1.1 Equipment I White Mesa Mill - Standard Operating Procedures Book #11, Environmental Protection Manual, Section 4.1 Date: 0408/14 Revision: EFR-34 Page 2 of4 Equipment used for soil sampling is as follows: 1. Tape measure or measuring stick calibrated to 1 foot and to one centimeter. 2. Clean trowel or shovel. 3. Clean sample containers. 1.2 Soil Sampling Procedure Soil samples are collected using a clean trowel or shovel to excavate a soil sample evenly across a one square foot area at a depth of one centimeter. The one centimeter excavation depth is maintained by using the tape measure or other suitable calibrated measuring stick. As the soil is being collected, it is placed directly into the sample container. The sample container is then identified with a label (see Section 2.1 below). 2.0 SAMPLING QUALITY ASSURANCE 2.1 Sample Duplicates Soil sample duplicates will be collected at a frequency of 1 duplicate per 20 samples. The duplicates will be submitted blind to the laboratory and will be named as follows: N = Northern boundary 1 = Sequential number of the northern boundary sample D = Duplicate of sample Nl Duplicate precision will be discussed in the Semi-Annual Effluent Report. Duplicate precision will be assessed as follows: a) Relative Percent Difference. RPDs will be calculated in comparisons of duplicate and original field sample results. Section 3.3 will apply when the RPD > 35%, unless the measured concentrations are less than 5 times the required detection limit (Standard Methods, 1998) (EPA Contract Laboratory Program National Functional Guidelines for Inorganic Data Review, February 1994. 9240.1-05-01. p. 25). 2.4 2 Sample Labeling Each sample must be labeled and all sample labels must be filled out in ink and numbered. The following information must be contained on the label: NIP where: I White Mesa Mill - Standard Operating Procedures Book #11, Environmental Protection Manual, Section 4.1 Date: 0408/14 Revision: EFR-^4 Page 3 of 4 1. Project and facility. 2. Company name 3. Date and time of sample collection. 4. Sampler's initials. 5. Sample location. 6. Requested Analytical Parameters 2.2 Sample Chain-of-Custody During sampling activities, traceability of the sample must be maintained upon sample collection until the laboratory data is issued. Information on the custody, handling, transfer, and shipment of the samples will be recorded on a Chain-of-Custody form (COC). The sampler is responsible for filling out the COC form. The COC form will be signed by the sampler when the sampler relinquishes the samples to anyone else. A COC form is to be completed for each set of samples placed in a sample shipping container and is to include the following: 1. Sampler's name. 2. Date and time of collection. 3. Sample location. 4. Sample type. 5. Analysis requested. 6. Signatures of persons releasing custody. 7. Signatures of persons accepting custody, dates, and times. Copies of the COC forms and all custody documentation when received will be retained in appropriate files at the Mill. The original COC form remains with the samples until disposal of the samples. 2.3 Sample Handling and Shipping Samples will be placed in shipping containers and transported to the contract laboratory. COC forms will be placed inside a resealable bag and placed inside the sample shipping White Mesa Mill - Standard Operating Procedures Book #11, Environmental Protection Manual, Section 4.1 Date: 0408/14 Revision: EFR-34 Page 4 of 4 container. 2.4 Record Keeping All soil sample data are retained in the files and when analytical results are available the results are entered into a computer file and retained in the files. Laboratory analytical data are stored in the soil files after the data has been entered on a computer file. 3.0 ANALYTICAL QUALITY ASSURANCE 3.1 Data Validation and Quality Control Laboratory analyses will be reviewed by the technical staff and any identifiable anomalies in results noted and investigated. Appropriate measures to confirm or disaffirm results will be pursued, such as laboratory conversation, analytical sample rerun, or trend analysis. 3.2 Quality Assurance and Data Validation The contract laboratory will prepare and retain a copy of all analytical and quality control documentation. The laboratory will provide hard copy information in each data package submitted in accordance with quality assurance objectives for the surface soil quality assurance project plan that is: COC forms, cover sheets with comments, narratives, samples analyzed, reporting limits and LLD values for analytes, and analytical results of quality control samples. The data reduction and laboratory review will be documented, signed, and dated by the analyst. 3.3 Corrective Action Corrective action will be taken for any deficiencies or deviations noted in the procedures or anomalous results, such as but not limited to additional sample collection, sample re-run, laboratory inquires, or other actions as appropriate. Corrective actions for duplicate deviations shall first determine if the deviation is indicative of a systematic issue. If the deviation is limited in scope and nature, the QA Manager will: 1. Notify the laboratory, a. Request the laboratory review all analytical results for transcription and calculation errors, and b. If the samples are still within holding time, the QA Manager may request the laboratory re-analyze the affected samples. l_AK(.)RA rc)Rll:S , Chain of Custody and Analytical Request Record Page of. PLEASE PRINT, provide as much information as possible. Refer to corresponding notes on reverse side. I Project Name, PWS #, Permit #, Etc.: Company Name: Report Mail Address: Contact Name, Phone, Fax, E-mail: Sampler Name If other than Contact: Invoice Address: Invoice Contact & Phone #: Purchase Order #: ELI Quote #: Report Required For: POTW/WWTP • Other DW • Special Report Formats - ELI must be notified prior to sample submittal for the following: NELAC • A2LAU Level IV • Other EDD/EDT • Format SAMPLE IDENTIFICATION (Name, Location, Interval, etc.) Collection Date Collection Time c £ si O CD O s > $ ^ w > 5 c > s « Q > P Q U < "S >, MATRIX ALYSIS REQUESTED f Notify ELI prior to RUSH sample submittal for additional charges and scheduling Comments: Shipped by: Cooler ID(s) Receipt Temp ° C Custody Seal Y N Intact Y N Signature Y N Match Lab ID ILL to 2- 03 10 Custody Record MUST be Signed ReHnqurshed by (print)-DataAunr Signature: Relinquished by (print): Oata/Trme: Signatura: Sample Disposal: Return to client: Lab Disposal: Recatvod by (pnnt). Signature: Rncntvad by (print): DaWTbna: Signature: Sample Type:. LABORATORY USE ONLY # of fractions |r -»rtaln circumstances, samples submitted to Energy Laboratories, Inc. may be ""^contracted to other certified laboratories In order to complete the analysis This serves as notice of this possibility. All sub-c :t data will be clearly notatad on your analytical report Visit our web site at www.energytob.com for aotiittonarmformation, downloadable fee schedule, forms, & links. reqi'--ted. 09 BHV-2 BHV-1 BHV- BHV-7 _ L BHV-5 D 33 U 34 T37S T38S BHV-4 BHV-6 Actual location of BHV-3 is 34!.500 feet due west 05 UJ ' Energy Fuels Resources (USA) Inc. • I A k ,t~ * ft 191 tt 1 N = 6 )00 FT 11,250 15,000 =W Feet 3,750 7,500 Legend Program -fc 1,000 Feet * 2,500 Feet • Existing Air Monitoring Station # Tentative Air Monitoring Station 1 'Property Boundary Road |_JTownship and Range Coordinate System: NAD j I Section 1983 StatePlane Utah South FIPS 4303 Feet CF m ENE ENERGYFUELS By: Project: WHITE MESA MILL County: San Juan State: Utah Location: FIGURE 1 SOIL MONITORING LOCATIONS Author: mhenington Date: 9/5/2014 Drafted By: mhenington White Mesa Mill - Standard Operating Procedures Book #11: Environmental Protection Manual, SOP Section 4.3 Date: 4-2A-2Q8/14 Revision: EFR-23 Page 1 of 2 EXTERNAL GAMMA MONITORING PLAN AND STANDARD OPERATING PROCEDURES 1. EXTERNAL GAMMA MONITORING PLAN 1.1 Locations and Frequency of Monitoring External gamma measurements are taken over a quarterly interval for the twelve months of the year at all BHV locations and selected areas around the mill site (see Attachment #1 for those locations). Quality assurance for external gamma measurements consists of: a) Monitoring the container locations to ensure the Optically Stimulated Luminescence doMineicrs (OSLs) s have not been lost: b) Ensuring that all containers are present when receiving or shipping to Landauer; and c) Reviewing Landauer data for consistency and data transportation. 1.3 Analytical Requirements Values reported are in millirems per week average for the monitor period (supplied by Landauer) along with a counting error term. The counting error term is calculated by: [(sample 2 sigma) - (control mrem/week)] / (#weeks) 1.2 Quality Assurance 1.4 STANDARD OPERATING PROCEDURES 1.5 Equipment External gamma is monitored at the ambient air sampling sites and other selected areas around the mill site, using the spherical container TLDOSL badges from Landauer, Inc., or the equivalent. White Mesa Mill - Standard Operating Procedures Book #11: Environmental Protection Manual, SOP Section 4.3 Date: 43/4508/14 Revision: EFR-23 Page 2 of 2 1.6 Monitoring Methodology a) The containers-? each containing five TLD chips, are mounted approximately one meter above ground plane at each site with one container per site. b) The containers loaded with TLDs OSLs are received the first of each quarter from Landauer and exchanged with those in the field. c) A background TLD OSL is stored in the Administration Vault as a transportation control. d) The TLDs OSLs are returned to Landauer for processing. 1.7 Record Keeping Data maintained in record form for external gamma is: a) Sample period; b) Sample location; and c) External gamma levels for total radiation. ATTACHMENT 1 OSL GAMMA ENVIRONMENTAL MONITORING LOCATIONS WHITE MESA MILL Badge Number Location of Monitor Control Administration Vault 1 V2CK Control Room BHV-6 Ore Stor. - Barrel Area Vanadium Precip.Area Yellowcake Drying Area Leach SAG Mill Control Room Yellowcake Precip. Central Control Room 10 Trommel Screen (ore pad) 11 North East Corner Ore Pad 12 Met. Lab 13 Filter Press Room 14 BHV-1 15 BHV-2 16 BHV-3 17 BHV-4 18 BHV-5 19 SAG Mill 20 Tails 21 CCD 22 North SX 23 Administration Building 24 Admin Parking Lot 25 Yellowcake Packaging 26 Yellowcake Storage 27 Bucking Room 28 Mill Lunch Room 29 South SX 30 Mtce. Super.'s Office 31 Ore Feed Grizzly 32 Scalehouse 33 Sample Plant (OBS) 34 Front Gate 45 AF - Barrel Dump Station I ATTACHMENT 1 OSL GAMMA ENVIRONMENTAL MONITORING LOCATIONS WHITE MESA MILL Badge Number Location of Monitor 46 AF Circuit - South 47 AF Circuit - North 51 North Control # 1 52 North Control # 2 53 CaF2 Barrel Dump Station - Operator Station 64 70 71 KF Barrel Dump Station BHV-7 BHV-8