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HomeMy WebLinkAboutDRC-1998-001041 - 0901a06880805787T T T I I t I T I I I T t I I I I I t NESIIAPS RADON FLIIX MEASUREME} T PROGRAM White Mesa MiI1, 1998 Prepared for: International Uranium (USA) Corporation 5425 S" Highway 191 Blanrling, Utah 845Ll- Prepared by: Tel1co Environmental 1231 N, 23 SE., Ste" 205 Grand .Tunetion, Colorado 81506 October 1-998 I I I I I I I I t I I t t I I I I I I NESHAPS RJADON FI,IIX MEAST}REMENT PROGRJN{ White Mesa MiII, L998 Prepared for: International Uranium (USA) Corporation 6425 S. HighwaY 1-9L Blanding, Utah 8451-1 PrePared bY: Tel1co Envirorunental l-23L N. 23 St-., Ste. 205 Grand ,function, Colorado 81505 Oct,ober 1998 t I t I I I I 1.0 an 3.0 4.0 Table of Contents IN?RODUCTION SITE DESCRIPTION SAMPI,ER DESCRIPTION FIEI,D OPERATIONS 4.L cenera1 Sit.e Specific Information 4.2 Sampler Placement 4.3 Sampler Retrieval 4.4 site Exit 4.5 Environmental Conditions During Measurement Periods LABORATORY OPERATIONS 5.1 Introduction 5.2 Apparatus 5 .3 Analysis Procedure 5,4 Weighing and Background Counting 5.5 Receipt and weighing of Exposed Charcoal 5.6 Gamma Ray Counting 5.7 Quality Control Samples 5.8 Data Validation 5.9 Calculations Page 1 ) 3 3 5 6 6 7 7 7 o I 9 10 1L 11 12 13 t4 4 5.0 t I I I I I I I I T T I 6.O SAMPLE RESULTS/CAICULATIONS Fi-gure 3-1, Large Area Activated CharcoaL Collector Diagram APPENDICES: A - Support Documents B - Recount Data C - Radon Flux Sample Laboratory Data and Field Bl-ank Data D - Map PockeE, Figure 5-1 NESHAPS RADON FLIIX MEASUREMENT PROGRAM International Uranium (USA) Corporation White Mesa Mi1l 6425 S. Hwy. 191 B1anding, Utah 84511 1.0 INTRODUCTTON Te1Ico Environmental L.L.C. (Tellco) provided support to International Uranium (USA) Corporation (hereinafter, IUC) regarding their required National Emissj-on Standards for Hazardous Air Pollutants (NESIAPs) Radon Flux Measurement effort on Tailings Ce1ls 2 and 3 at the White Mesa Mi1l uranium processi-ng facility in Blanding, Utah for the cal-endar year of 1998. These measurements are required of IUC to show compliance with 40 Code of Federal Regulations, Part 51, Subpart W, National Emission Standards for Radon Emissions from Operating Mi11 Tailings. At present, there are no Subpart T uranlum mi1l tailings at this site. As required by the regulations, the NESHAPs monj-toring for exi-sting mi1I tailings piles j-s a flux standard that lj.mits the emission of radon from pi,les. The standard limits the amount of radon that can be emitted per unit area (*') per unit of time (s). This standard is not an average per facil-ity, but is an average per radon source. According to subsection 51.252 Standard, (a) radon-222 emissions to ambient air from an existing uranium mi1l tailings pile shall not exceed 20 pCi/m'?-s of radon- 222. Subsection 61-.253, Determining Compliance, states that: "Compliance with the emission standard in this subpart shaLl be determined annually through the use of Method 115 of Appendix B.'r Te11co \4/as contracted to provide radon collectors, perform the field placement/retrieval and sample analysi-s of the colLectors for calendar year 1998 - This report addresses the procedures employed to obtain the resul-ts presented in Section 5.0 of this report. I I T I I I I t I I I I I I I I I I I )n SITE DESCRIPTION The White Mesa Mi1l is located south of Blanding, Utah on Highway 191. The mi]l began operations in 1980 for the purpose of extracti.ng uranium and. vanadium from feed stocks. Processi-ng effluents from the operation are deposi-ted in four ulined" cell-s which vary in depth. Cel"l-s 1and 4 are used solely for',liquor,, storage, whi1e Ce1ls 2 and 3 are used for sand tailings/liquor deposition" Ce1l 2 has a Eotal area of approximately 270,624 square meters (m'). This ce11 was comprised of two source regions that required NESHAPs radon monitoring: approximately 233,095 m2 of the ce1I had a soil cover of varying thickness, wit.h approximately 37 ,529 m2 of exposed tailings trbeaches". There was no significant standi-ng liquid in ,,Iow" elevation areas within Ce]I 2. Cel1 3 has a total area of 288,858 m2. This ce11 was comprised. of two source regions that required NESHAPs radon monitoring: approximately 85,357 m'of the cel1 had a soil cover of varying thickness, with approximately 40,396 m, of exposed tailings 'rbeaches". The remai.ning approximately 163,105 m' was covered by standi-ng 1j-quid in r\1ow', elevat,ion areas. Due to worker health and safety concerns expressed by both rUC site personnel and Te11co monitoring staff, a smaII portion of the areas of the wet beaches of Cell 2 and CeI1 3 were not sampled due to the extreme instabilit.y of wet tailings beaches. SAMPLER DESCRIPTTON The Large Area Activated Charcoal Canist.ers (LAACC) used by Te11co personnel to perform the required radon measurements were fabricated in conformance with "Radon Flux Measurements on Gardinier and Royster PhosphogLpsum piles near Tampa and Mulberry, Florida" (MIIS Document #PB85-1-51-8'1 4) as referenced in 40 CFR, part 51, Method 115, Appendix B. This method of performing radon flux measurements involves the adsorption of radon on activated charcoal in a large-area co]lector. 3.0 4.0 I I t I t I I T t I I t I t I I I I I The charged coll-ector is placed directly on the and i-s allowed to col1ect radon for a given time The radon collected on the acti-wated charcoal is spectroscopy. material surface to be measured period (approximateTy 24 hours). then measured by means of gamma Each LAACC was constructed using a 10-inch diameter PVC end cap, spacer pads, charcoal distribution grid, retainer screens, pads, and a steel retainer ring (see Figure 3-1). Prior to deployment, each collector was charged with 180 grams of baked charcoal from sealed individual sample containers (reference Sectj-on 5.0 below for laboratory procedures). After the 24 hour measurement period, the exposed charcoal was transferred to the plastic sample containers, sealed ai-r-tight (with tape), labeled as to sample identification along with exposure times/dates, and transferred to the Tellco laboratory (Grand Junction, Colorado) facj-1ity for analysis. FTELD OPERATIONS General Site Specific Information Te11co personnel laid out baselines within the cover regions of Cel-1s 2 and 3, and a grid coordinaLe locaLion system was developed to accommodate locatlng the samplers in the fie1d. The sampJ-i-ng effort commenced on Ehe morning of JuIy 21, 1998, after site specific health and safety training was provided by IUC Health and Safety personnel on July 20, 1998. Te11co field technicians laid out the grid system on Ce1I 2 and CeIl 3 using a measurj-ng tape, pacing, and line-of-sighE markings. Boundary disEinctions between the three source regions were establ-ished by vi-sual inspection and so noted on the field maps. Tellco personnel placed a minimum,/maximum thermometer within each of the two cel-ls, respectively, during samplingt, measuring ambient air temperatures at the sj-te, to monitor compliance with the 35oF measurement criterion. I I I t t I I I I I I T I I I I I I I FIGURE 3_1 flGuRE 3-l Large-Area Radon Collector I -in. Thick Scrubber Pad I /2.in- Thick Scrubber Pad I z2-in Ilrrcl Charcool Support Grid Retarnor Spring l0-in. dia PVC End CaP l/4-rn. Vent Holo 4-2 I I I I t I I I ! I I t I I I I I I I Sampler Placement Radon measurements were made in conformance with methods described in MIIS Document #PBB6-1518'74 far each 100 sample measurement set for each source region. In addition to the 100 samples, each sample set conslsted of 5t field bfanks. The spacing distribution for each set of 100 measurements was determined by visual means and a ',best fit., distribution pattern for each source region. Field personnel safety was paramount in the distribution of samplers over "wet beach" regions due to the loose, unconsolidated condi-tion of the saturated tailings, which are simj-lar in consistency to "quicksand. " Pl-acement/retrieval of colLectors was accomplished using vehicles where possible, and by foot travel where vehicl-e travel was not feasible. A collector was chosen and the retaining ring, screen and foam pad removed to expose the charcoal support grid. A pre-measured charcoal charge was sefected from a batch, opened and distributed evenly across the area of the support gri-d. The collector was then re-assembled and gently pl-aced face down on the surface to be measured. Care was exercised not to "push'r the device into the soil surface- The col-lector rim was "sealed" to the surface using a berm of 1ocal borrow material (either taillngs or soil) to reduce dj"lution due to air or wind currents within the coll-ector. A sample identification number was then asslgned to the collector. Sample numbers utilized an alpha-numeric system composed of the charcoal batch l-etter (i.e., A, B,C .) followed by a sequentj-aI number indicating the placement (i.e., 01, 02, . ) . This sample identification number was recorded on an adhesive labe1 and placed on the top of the coLlector. The sample ID, date, and time of placement were recorded on a master data sheet for each set of measuremenLs. During placemeut of charcoal flux collectors, five field blanks were collected. The procedure for preparing a field blank was to charge a col]ector with charcoal, and place it inside an air-tight container. The blank(s) remained in the sealed collector for the 24-hour sample time period. I t I I I T I I I I t I I I I I I t I 4"3 SamIr1er Retrieval Retrieval of the collectors followed the same pattern as placement. The collectors were disassembled and the charged charcoal removed by pouring from the collector into a large funnel suspended above a sample charge container. The sample ID number was transferred to the charge container, which was sealed and placed in a box for transport. The date and time of reLrieval were recorded on the same data sheet as the sample placement information. Each charged coflector was retriewed upon completion of the measurement time peri-od (approximately 24 hours). Upon retrieval of the collectors, the field blanks were retrieved and the charged charcoal returned to a container, sealed, and labeled as such, and returned for analysis along with the measurement set. Sample data sheets accompanied the shipment to the laboratory. During retrieval- of LAACCs on Ce11 2 Beach region, one of the collectors (c13) was dropped while the coll-ector was being handled, and the charcoal spilled, causing the sarq)le to be 1ost. The charcoal was inadvertentJ-y not loaded into one of the collectors (J04) that was placed on the Ce11 3 Cover region. When the charcoal from the reErieved collectors was being re-containerized, the collector J04 was identified as lacking its charcoal load- Te}]co personnel mainEained custody and assured timely deliwery of the samples to the Te11co Grand Junctj-on laboratory for prompt analysj-s of the charcoal samples. Site Exi-t Tellco field personne)- and equipment were alpha scanned for possible contamination resuJ-t.ing from fieldwork activities. A11 equipment. and field personnel were surveyed and released for unrestr.icted use by IUC's HeaLth and Safety personnel'. 4.4 4.5 Environmental Conditions during Measurement Periods Referencing 40 CFR, Part 51, Subpart W, Appendix B, Method 115 - Monitoring for Radon-222 Emissions, Subsectiot 2.1.4 - Restrictions to Radon Flux MeasuremenEs, ,'the following restrictions are placed on making radon flux measuremenLs: (a) Measurements shal1 not be initiated within 24 hours of a rainfall. (b) If a rainfall occurs during the 24 hours measurement period, the measurement is invalid if the seal- around the lip of the collector has washed away or if the collector is surrounded by water. (c) Measurements sha11 not be performed if the ambient temperaLure is below 35oF or if the ground is frozen. " Sitse Specific Diecussion (a) Prior to commencement of any sampler placement, rainfall amounts (if any) were ascerEained at the IUC weaLher staeion rain gauge and/or at the rain gauge placed in the immediate area by Te11co field personnel. A rainfall measuring 0.03" occurred during the 24-hour period preceding placement of the collectors on the Ce11 3 Cover region at the siLe. At the time that Lhe collectors were placed on said ce1l 3 Cover region, the ground surface had completely dried out, and IUC directed Tell-co personnel to proceed with placement of the collectors on the region. (b) The aforementioned rai,nfa11 measuring 0.03" occurred after the collectors had been placed on the Ce]I 3 Beach region. A11 of the col-lector seals from Ce11 3 Beach region remained intact, and none of the collecLors were surrounded by water. (c) During all 24-hour sample set placements, the minimum ambient air temperature recorded by Te1lco at t.he site was 56"F, recorded overnight Jvly 2a-22, 1998. 5.0 LABORATORY OPERATIONS 5.1 Introduction Activated charcoal gas adsorption collectors are passive sampling devices used to determine the flux rate of rador:-222 gas from a surface area. The charcoal canister used consists of a 10-inch pVC cap containing a bed of 180 grams of activated, granular charcoal pJ-aced in a distribution grid on top of a 1X inch I I I I t I I I I I t I I T I t I I I thick layer screen by a of foam and secured under a % inch foam layer and a galvanized steel retaining ring. Sample collection is initiaEed by placing 180 grams of sealed container into the above described canister retai-ning ring, placing Lhe canisLer (open face down) tested. Radon gas is adsorbed on the contaj-ned radioactive decay of the entrained radon resulLs in the lead-214 and bismuth-21-4 in the cani-ster. Lead shielded counting well- approximately 4o wal1s and a 7 cm thick base and 5 cm thick top' NfST traceable aqueous sol-ution radium-225 activated charcoal calibration source. unexposed charcoal from a and, after securing the onto the surface to be charcoal and subsequent occurrence of radioactive cm deep with 5 cm thick lead absorbed onto 180 grams of These radon progeny isotopes emiL characteristic gamma photons which can be detected. The original total activiEy of the adsorbed radon can be calculated from these gamma ray measurements using empirical calibration factors derived from cross-cali-bration of source standards containing a known total activity of radium- 226 in a geometry identical Eo the samples to be counted' 5.2 Apparatus Single- or multi-channel pulse height analysis system, Ludlum Model 2200 with a Teledyne 3't x 3" NaI(T1) detector. 5.3 ohaus Model C501 balance with 0-1 gram sensitivity. Analvsis Procedure Inapection of the Charcoal Container Charcoal was received at the analytical laboratory in the sealed sanple containers. Upon receipt, Lhe integrity of the container was verified by visual i-nspecLj-on of t.he plastic container. I I I I I I I I I I I I I I I I I I I Sam1>Ie Identificabion Nr:mbers Each sample contai-ner had a determined in the fieId, and container. un1que written sample onto idenLification number which was a labef attached to the samPle Drying and Recycling AI1 charcoal was dri-ed before use in the field for Procedures were the same for newly prepared charcoal after field use. Charcoal was dried at approximately were as follows: radon flux measurements- and for charcoal recYcled 110oC. Drying procedures Oven temperature set to 1-10oC. Charcoal placed in the oven i-n a metal baking tray' Baked for 24 hours. Immediately after the tray was removed, approximately 180 grams of charcoal were transferred into clean sample containers and sealed with plastic tape' 5.4 weighing and Background Counting Proper balance operation was verified daily by checking with a standard weight- The balance readout should agree wit.h t.he known standard weight to wi-thin + 0.1t' If a discrepant readout was obtained, the bal-ance was re-zeroed, the check weight wiped with a soft, l-int-free cloth, and re-weighed. ff the discrepancy persisted' the bal-ance would have been removed from service and tagged "out of Service ' " For this project, the scale conformed for each day of use (see Appendix A, BaLalce operation DailY Check form). After acceptable balance checkout, each empty conEainer was individually placed orr the balance and the Eare wei-ght of the container was documented to the nearest 0'1 grams on the }abe1. The scale was re-zeroed with the container on the balance' Charcoal was carefully added to the container untsil the readout registered 180'0 grams. The 1id was immediately placed on the container and sealed with plastic tape. The tape was stretched slightly while wrapping around the container' The end of the tape was folded to form a tab for easy tape removal checked for readout drj.ft between each container-weighing step. The bal-ance was I I Gamma ray counting system checkout was performed as described in Section 5.5. A five-mj-nute background count was acqui.red for five containers seLected at random to represenE the ,'batch.,' Each sealed container was placed individually in the shielded counting well, with the bottom of the container centered on the detector. Observed empty counting well background counts must fa11 wiEhin the average range of approximately 123 to 176 cpm using the aforementioned Ludlum/Teledyne counting system with shielded we1l. The background counE rate was then documented for the five contai-ners, and subseguently documented on the respective "Radon Flux Field Data SheeE', for that batch. If the background counts were too high to achieve a suffj-ci-ent1y 1ow sensitiwity tevel- (Lower Level of Detection, LLD), the entire batch was l-abeled non-conformi-ng and recycled through the drying process. 5 .5 Receipt and Weighing of Exposed Charcoaf Containers of exposed charcoal were transported from the site and delivered to the laboratory for analysis by Te11co personnel. The Te1lco laboratory staff was responsible for weighing and inspecting the exposed canisters; inspecting the documentation forms,. and entering the required data documentation to database spreadsheets. when the contai-ners were received, the following items were i-nspected: o Container was c]osed and sealed with tape. Contalner vras not damaged. DaEa sheet was complete. Discrepancj-es found during this inspection were documented on the data sheet. Containers received open or damaged resulting in seal failure were considered void and were not analyzed. A11 samples that were transported to the Te11co laboratory were received there in good physicat condj-Eion; however, as previously mentioned, one sample from Ce}I 2 Beach region and one sample from Cefl 3 Cover region were lost i-n the fie1d. I I I 10 t I I I I I I I I I I I I I I I I I I After receipt inspections, conforming containers were nearest 0.1- gram and the gross weight was logged on Sheet't under the appropriate column. weighed on a balance to the the "Radon Flux Field Data 5.6 Gamma Ray Counting Source/Background Checks The charcoal gamma ray counting system was subjected to performance checks daily when used. These checks included background and radium-225 check source measurements. (Appendix A of this report contains daily counting system performance check records. ) Sauple Analyeis e The length of count time was determined by the activity of the sample being analyzed. A data quality objective establishing a mini-mum accruement of 1000 counts for any given sample was followed during sample analyses. The sample container was placed in the counting well with the 1id si-de up and the center on the NaI detector and the shielded well door was set into p1ace. One sample count was accrued and the mid-sample counL tj-me and date was documented on the field data sheet- The sampLe counts were documented on the field data sheet for data reduction. The above steps were repeated for each exposed sample collector. . Approximatel-y 10t of the containers counted on a given date were selected for recounting. These containers were recounted no sooner than 1 day and no longer than 10 days following the original count. 5.7 Ouality Control Samples Charcoal f L.rx measurement QC samples incl-uded the f o1J-owing intra-laboratory analytlcal objectives as required in 4O CFR, Part 6a, Subpart W, Appendlx B, MeEhod 115, 4.0 - Quality Assurance Procedures for Measuring Ra-222 Fh:x, D.: . recounts, 10t, and o field blanks, 5t. 2, ) 1 5.8 I I I I I I I I I I t I I I T I I t t Data validation - Recounts/Blanks A11 sample canister data were subjected to validation protocols. The following presents the data validation results: Forty-two recounL measurements were performed by conducting replicate analyses of indiwidual field samples. These recount measurements comprised approximatsely L0t of the toEal number of samples analyzed. The precision of a1I recount measure- ments ranged from less than 1* to 8.7* with an overall average precision of approximately 2.3*. This recount precision is weIl within the expected variability of the analytical method. Twenty-two field blanks were analyzed by measuring the radon progeny activi-ty in samples subjected to all aspects of the measurement process, excepting exposure to the source region. These blank sample measurements comprised approxi.mately 5* of the fieLd measurements. The results of the blank sample analyses measured radon flux rates, which ranged from 0.05 to 0.22 pCi/m2-s, with an arithmetic average flux rate of O.10 pCi/m'z-s. This corresponds to approximately 0.58 of the regulatory limit of 20 pCi/m'?-s. The objective is 100 samples to regulations. The following is sampling program (EPA rules objecti-ve): be collected from each region, as specified by the the actual completeness attained during Tellco's and regulations specify an 85* completeness 100t completeness 99t completeness 99t completeness 1001 completeness Ce11 Ce11 Ce11 Ce11 Cover - 100 samples Beach - 99 samples Cover - 99 samples Beach - 100 samples As presenged abowe, actual QC validation met the objective parameter requirements. L2 I I I I t T I I I I T I 5.9 CalcuLat.ions Radon flux rates were cal-culated for charcoal collection samples using calibration factors derived from cross-calibration to sources with known total activity with identical geometry as Lhe charcoal containers. A yield efficiency factor was used to calculate the total- activity of the sample charcoal containers " In practice, radon fl-ux rates were calculated by a database computer program. The algoriEhms utilized by the data base program were as follows: Equation 5.1: pci Rr'-22z/m,sec = tTS*A*b*:ffi1 where: N = net sample count rate, cpm under 220-662 keV peak Ts = sample duration, seconds b = instrument caLibration factor, cpm per pCi-; values used: 0.1660, for M-01/D-21 and 0.1711 , for M-02/D-2o d = decay time, elapsed hours between sample mid-time and count mid-time A = area of the collector, m2 I I Equatsion 5.2: 20error=2x -/ "."=" =r*1.. "p- *" Sample count. t. min Bkgd count t. min Net cPm (samPle concentratj-on) I I I I 13 Equation 5.3: 2 -71 + (4.55) (S-)LLD = where:. 2-77- =4.65 = Ts= b= [Ts*A*b*O .5 (d/gr'zs) ] constant confidence interval factor standard deviation of the background count rate sample duration, seconds instrument calibration factor, cpm per pCi-; values used: 0.1560 , for M-01-,/D-21 and o . 1711, for M-02 /D-2o decay time, elapsed hours between sample mid-time and count mid-time area of Ehe co11ect.or, m2 d= A= 6.0 SAMPLE RESIILTS / CAISULA'TIONS Referencing 40 CFR, Part 51, Subpart W, Appendix B, Method 115 - Monitoring for Radon-222 Emissj.ons, SubsecLion 2.1.7 - Calculations, "the mean radon flux for each region of the pile and for the toLal pile sha11 be calculated and reported as follows: The individual radon flux calculati-ons shal1 be made as provided in Appendi-x A EPA 85 (1) . The mean radon flux for each region of the pile sha1l be calculated by summing all individual flux measurements for the region and dividing by the toEal number of flux measurements for the region. The mean radon flux for the total uranium miII tailings pile shal1 be calculated as follows: - JrAr + JrA, [+l J,At"\ (a) (b) Where: J" = T_uI - l_nl- 4= Mean flux for the total pile (pCi,im'?-s) Mean flux measured in region i (pci/m'?-s) Area of region i (m2) Total area of the pile (m'?) 2-1.8 Reporting. The resuLts of individual flux measurements, Ehe approximate locations on the pile, and the mean radon flux for each region and the mean radon flux for the total stack [pile] shal1 be included in Ehe emissj-on tesL report. Any condit.ion or unusuaL event that occurred during the measurements that coul-d significantly affect the results should be reported. " I T t I I I t t I T I I I I I I t .I t Site Specific Sa:qrle ReauIUs (reference Figure 5-1) (a) The mean radon flux for each region within each ce11 is as follows: CelI2-CoverArea - Beach Areas = 9.8 pCi/m2-s (based on 233,095 m2 area) = 4L.9 pCi/m'?-s (based on 37,529 m2 area) Cell 3 - Cover Area = 23.g pCi/m'z-s (based on 85,35? m2 area) - Beach Areas = 55.4 pCi/m'?-s (based on 40,395 m2 area) - Standing Liquid Areas = 0 pCi/m'?-s (based on 163,105 m2 area) Note: Reference Appendix B of this report for entire summary for individual measurement resul-ts and specific sample regi-on maps. (b) Using the data presented above, we have calculated the total mean radon flux for each pile (ce11) as follows: Ce11 2 = 1,4.3pCi/m'?-s (9. 8) (233 . 095) + (41.9) (37. 529) 27 0 ,624 CeI13= t4.9pCi/m'?-s (23.8) (85.357) + (56.4) (40.396) + (0) (163.105) 288, 858 15 APPENDIX SupporL Documents I I I I I I I t t T T BALANCE OPERATION DAILY CHECK Balance Model . Ofl4U5 ForJ - o - a,,-a,^ sev'4 t2-3o1 I st andard wei ght ( g ) : - 3oo' O t Date pre-check (9) post-check (s) o.K. r o. tx By 3d9 _O _============= t/q - 7r----ba-1tz je-o TltnlqR Joo, o 30o, o Ye-3 4r 7l*drr 3 o,t, o 3oo' a /c-S t ar I I I I I. I I I t t t I I I I I CHARCOAL CANISTER ANALYSIS SYSTEM T<l( ,,> L",b Tnt t rv,,a*' r 6a o'l Llvaq, wr-^ SITE LOCATION: CLIENT: I t System ID: IvtO D--z Scaler SA.I: g l51Z L Mo D DetectorS/N: o41533 COz f) Calibration Check Log CalibrationDate: Z I V ( q g HighVoltage: lO 5O Window: Source ID/SN: 1o,2-zl. Gt- o& -tDueDate: >[blg1 *'4-> Thrshld: 7-7o Blank Canister Bkgd. Range, cpm: 2 o -tz1 ,o La) :o= LIJ to L b.Z Gross Source Range, cpm:2c: q4qV to 7o341 36= nZ-b4 to rechnician: \>/ Cf-- Source Activity: 59 '3 K f ci ^--to9> f I I I I I I I t I T 14 7fe Po Pt'ctb:l T I y/n: y -- average background and source cpm falls within the control limits. n: average background and source cpm does not fall within the control limits. The acceptable ranges were determined from prior background and source check data. All counts times are one minute. DATE BY BKG #t BKG #2 BKG #3 BKG AVG SOURCE #l SOURCE #2 SOURCE #3 SOURCE AVG. ok'l ylr. 1 lLv lm 41,(-17t 145 rt9 rt)loo t+4 16oG root'b aa44 Yt tc-olaQ Dtl 5L t4l tLn t+r qol'LD qq'a \99t"L qq \1 v 7tL7t 19 c,ir )€L t<{/{o , -r,7 b;3 /i.1 0t /Dt t../ilrt,) {/y '7 l)11 gq qF tl^l ,4'7 ,l-7 15-lo t o 6 to3to ta at .l /0 , Dt Y 7ltK17'nqr I LO tvo t;7 ,i3 /Dlb8 lo33 6 /o t r;-,8 lo ats7 v TltelEx WD t 3Ll I.J .L '1,\o / 5.r-/o 3C.,..t D Aq-r /0t8-f in)y4/ I I I I I t I I I I I I t I I I I I I CHARCOAL CANISTER ANALYSIS SYSTEM a-(t(.-, L.,bSITE LOCATION: CLIENT:f nkrnerl)o^ c- | l)r'a 't iq r-t L*) z-zoo [^t 4d-2ocalibration check l-og System ,r, *- twot I Drl calibrarion ou"' 5lv lq?, DucDare:,;la{qg scalersN: sr5f z CVr oD Highvortage: loSD Wirrtlow: 4' 4 2 't'lrrshltl: 2'z o DetectorstN,o4t133LDl.D,o,,..ID/SN:WSourccActir,ity.57:}lLf{1 3o= lt4 to tBOBlenk Canister Bkgd. Range, cpm: 2 o = I 21 Gross Source Range, cpm:2o= q b1'7-t"= 453t,o rD3ll b t1 b ro loLnI p,<- (*) ?r- P"5 P j-e fctl Technician: yln: y = average background and sourcc cpm falls within thc control linrits. n = average background and source cprn does not fall within the cortnol lintits. The acceptable ranges were determincd from priorbackground and source check drta. All counts times arc one minute. DATE BY BKC #t I]KG #2 I]KG #3 BK(; AVC SOUITCE #l S()URCE SOURCI' tt3 SOTIRCT: AVG. ok'.) yitr i lzblqo uyk-t 5-)('>-)t3 r->141 q Lrlc g-r 5f tor r(?.Bt r tl 1l2r'lqb 9tzz rf4 tvb t1l-t5')-loocaL)t)(fL't Q tlol o)9ab v tlrzli\1 aT t.{L , L3 l.fo / CLI t009</acqg lD) L/)/ t)/'1 {/Y 1 l?7 111 A-r tl. I r17 /t,,{9 t )o 23 tn n7O /a)\o /Oi/-;vl ltsls t *Ld It^o t40 -;1 /ot&1 r Dl9L /Dt9y raL9l 1/ 1 lt tnt t4>T t Ttl /./ )150 /Js t Dotb / o o '18 tolTD /nn8,f {u LwJ.zzoo f uul- 47-to calibration check I os system to,**-lul o> f D Zo caribratio[ Date: 5lvlaO DueDarc: 5 | t"loot Detecror Srr.r, o 41 532- clzo) source rD/SN ,wr_b 95' o+ 2o= lL3 o tQ4 zo= qqBO ro Technician: ../t yln: y : average background and source cpnr lalls wrthin tlrc conrrol linrirs. n = average background and sourcc cpm does not lirll ivithin the conrrol liurits. The accepuble rangcs wcre determined lionr prior background and sourcc clrcck dara. lo=- I lJ.-rn 3o= q166 t1+ I I I t I t t I t I t I T I t I I I t lv. ?r< '7r< Pos CHARCOAL CANISTEIT ANALYSIS SYS'I'EM srrElocArroN:- - 1zlt"u Lo$- CLIENT:T n ttt-Aq*,o^a \ Ur^A'tv( Y4 5'5b3 High Volrage: j7_q 9 Window: 4'+L t'lrrslrld: '2,2O Blank Canister Bkgd. Range, cpm: Gross Source Range, cpm:u'' I \O4 I All counts times arc onc minute. DATE BY UKU #t BKG #2 I]KC il) T]KC AVC sot.ll{ct: itI soL lt((:li il2 s()t ,l{('t hl .s()tJR(-l .4. \/(i. okl) y/n -1 l'2i^/at 4tt rz1 t31 t+T r3-)lrl {??I l) t, ?>o ldotG lO4rallzulLrO}4r-tbl tz1 t+9 r4-t--lc50r3 lc4al lrnr) 6-./ -r 03-s4 It l.t'tt I f>nD'tL8 tlJ / cl)/s7 los't?/D L, 1)/07)3 /'o L'3 .)--v- 7 ^7'119 AF I.CL lrl<i3q ro L00 / 0/,8 5 tO-i.9,/o l, )A1rqlg(6-r , <o l,to t 3-7 ),1 L roA2l /oetl ta.'t ? L /0? f t Y1lt*ls x t7 t<l /..E r1 /40 t-{o j 0 e,J7 I oTot tDLoT /0Ly-7 Yv I I I I t I I I I I I I I I I I I I I V.L CHARCOAL CANISTER ANALYSIS SYSTEM a< t(c., LabSITE LOCATION: CLIENT:f tfe r nalioa 4 t lArqut r * 11 f. frs L,,^,l.zzoo / Lud.i+-"D calibration check Log Sysremn,-iOz / p'Zo catibrationgor"' 5fblq8 ,urorr"' ;lt lgos scatcrsN: ft5Uf (moz-) HighVolragc: -Jt9* wi,dorv: *4'+l- I'hrsSttl: z,Zo Detectorsn-t, O4t5 SZ (Dzo) SourceID/SN t ?a-tb G9o5 SourccAcririry: 5q3 *PL; Blank Canistcr Bkgd. Range, cpm: 2 o = \ Z*n lva 3o--.t16 o-r13 Gross Source Range, cpm:2o= t@ol _ro-tO"l43 to= ltst{ Techniciarr: Z/k yln: y = avcrage background attd s6urr:c cpm talls within thc colltlul linlils. n - average background and sourcc cpm does not tall within thc cotttrol lintits. The acceptable langes were dctermined from prior background and source chcck data. Pre All couns times are one minute. APPENDIX Recount Data T I I I I I I I I I I I t I t I I I I zI@_OH[u =to(L s LO ro O O O O @ O C O : co t-- O ca O 01 rr) f- o s(o c.l zo(, tUt E.IU o(J cr) JJtIlO LlJ-F E.oLLzo 9.(Jtuu& FzUI tr tJ.lo- TUol<itlull>l<t aotrJ\Ji5 o. do o Ho .l ?O r{O O ilO O do o d ?o d ?? O O O dO o ilo O dO O do o ?O r-l ?o r-lo O r-lo rlo o HO O oNF+l<oo Ot Ol o .J O r+ O rl o ri o N N rf o r-1 O r-l O r-l O r) .-l lr)co ilri @ rl o ar) o i zaotn.--<Oto Ol co 01 Ol o o) o ? i C o Nr{-lrl ?t O N LO (o d o r{d @ rrr-l r(cf): af)i ca @-az-O-5;\o N (o N Ol N o tr) N N N 1N N O 6rnN O o aaN N o N C\j (c N d O Lr)N o rON ra d N 1d N r- Ln N @ r) N to N (o ra Nl N aa N N ra c! nY!n+ *o\., o Olil ro Ol @fo cC roO !oN Oto J cor- Ln r-f-Olr) @Ol r.,l O COO) c/) Orrr{r-l |-(o Or(o oNo(o \o LO TO C{\0OOt rr) co fr- Ol cc L'(c rrlo@tr) 5=d N N N c!N N N N i H r-l r-l .-t ut F_Io = =VI rn ar) o N o ra LN or 01r)Oro rr rr)ro io LO NN \otr)r{rf)olr)or.)@ Lr) @ Ol Lr) \oi o \o Ol to r-l o (o rl Ol r-rt Ol rr Ol a-r-t o\r-ol r-o)r*i Ol o U) J z d.@6 co6 @ ol o Ol @ Or @6 @6 oo od\o6 c(o (o @6 66 oo\o Ol o 01 co Or @ Or C Ol 3 \oN r-N \oN F-N \oN r-\0N tr-N N r- C\l \cA tr-N (o N a-N LON tr-N (o N f-N N r-N 3 = r-f-t-f-r .-r r t-r-trr Ir-rr r-F.r-r*Ir- v IJY 1 o O ro LO Ol Ot c\c\O aa o an r-rr N LO NLO aar)rn rO tr)tr) YI Ol o\Ol or Oil O O O C C O O d O o C ri O d o dd dr{ 3Jl-IJ3 =E O o LO ro Ol r-{ N r+N O O r r-Nro NLr) (nr)roro u")r) xI ('l 01 6\o O or{C o orl orl o.-l Or-l od ot-l o r--t C Oi r-td riil o LIJJ D. a dFl F oOrn& NF) FzDoUtnd, F F CCt!n r{ - FzDo(-) ln& -l TO- tr DoUE]& LOts) F Do C)rn& r-r) F oOrI]d coF) tsr DoOtrld h F DoOtld OO F) E-. CUH& zo9--E,<(9()oJ o q)o,G& z Ei:Fo r)!-rq Zlctrr) v i;io :L--q3 Q>so) JuU e 3vE LEb r.rt u)Lll rr; f,"oil. q3o- >roodz LL iJ ..4 Sfia3 :;eCO 6YF- -@z@zul ul- o- \ 11| LLIOr-oliFo) Inr@2 tNqBtu =tu X >LJf .. (D jd *asZ Lro J6zo o(:f t' P{-toci r", EL(vc!O =CD Oo d*oEa >-3 ,*:A e. E .oE=5 _ = -E,j-= 4s *=do a = ==..JE sg2f; F.O SF AH frZd, RY ce>tc, :- F8E= =z :.;ioz or.lJ lJ ul J f, (_) = J0atuO ruo o-<u(J t I I I I I I I I I t t I I I I I T I T o) o) ONooi@N zoa_ -[l(J^tx= o_ s \o AI N O O :N f-1 ro ro s O O N \o o o ootrJ\JTJo ilO o O o dO O d: O do o o o o O O O o O O O O O O O O ilo O rJO O O - o Cf O O O o do <) a( +rsoo co N t-r N r- CN (o N (o r.l r--l O o r N N r--l @ rr N o N o r- o O oi O O N O a': o Za NJF3s<Ofo. @ a-N r-l rrN \0 \oN r) tr)N Ol LOrJ o) rorl \o I rn (o N r- rr)N N d co Irr Lr) i \o LO ro (o Ol O OO aa N (r oi a_a4Or oo.= rr) N Ln N i N i N d N N a, N N \o N N r- N N : f- N 1 F- N a.) Lr) N r) tr) N N : N i m aaN io(a N O @ aaN cr) o a.)N :r- a.)N Ol r (71 Nn2DI xdJ(J No) FT O i!o cc ccr) F- rarr01tr) Olo) LO Ool\o ff) rr) rf r{ oo @ Orr coN r) trrO LONN o)o CO|.- d O -1dd @or) d oOt@d aa rO\o d NN c.)d Lnln \c >,2=5=d N rr)rn rn N N BI tro = z = rn o r) LO LO N LO rf)( a\ r) LO rO O d \od @ \oN on ra 6 tI d N NH ri N d r O Lr d LI] 2n J z Y>m O)ol CO Or o cl1 coo)oOl o6 @6 @o oOt Oo\@Ol oo01 oOl oo.j oo\oo)@Or (o c6 a r-N oN F- N o N rN CON F-N o N t-N @N r-N oN -N oN f-N oN rt.N oN t-Ai oC! t-r a-|-rr c-r-t-a-r-c-rr a-t--a-r-r F-r r- E.F UJ E. z = o o N N o o LO r)Nd N oN oN o Oro NN NN o o trI @ @ @ @ o o o o or Ot O)6 o Ol Oi O O oi oJ(L LUo z = o @ N ^ o o rr)N N @N coN oro Or)N C\l NN O O YI C'CC @ @ @ o o 6 Ol Ol Ol 6l dl 6 O oi O o d d d IUJiq a Or-l E{ DoOr,l& ON F Do() rn o af) FzDU(-)tl O F oUIn CLN Fz oOt! O(o :I F DOOtll Cr- FzDo(J r:ld Oo FzDo() rn oOl:r FzDo(Jl'lrt C)o11 F UI':d zo9_FE<(rooJ O Fr Do(Jl,l& oN tsrz oUrn af) F oQrI]& o & F Do()rllt O LO Frz oU r:1& o(o F Do(-) rnd O lr-:l F o C)rdd, o:a Fi o() tdd, oOl :T Ei Do()tncl oor-l:f F C(i fi d I qo{oo)@N .. L C) F-q xorr) v;iE "EEo) 4, tu:' ul fi oag dztr-trir LUuJ+ -Fil. qilO- 5- I I c,l o oot(I,& (, = bF= = HUA_l ,^o-co 6 Y'il- i.j(DtfA L L1 t.lJ tU or 1 orM F- Llo)I0r(o? iR b ui ouj x >rJf .. m jd Has ZLFo r6zo odl G' Ii-toXo, A L()/c!o =rf) o? d' =3- r.- E ,. 5 -EgE ?6 -io,i 4: o o=- 1 J L = .. - N E :frE?F HE -e9 =,* tr)Z'o ^E -16<s ;I EUHf =z :.Aaz oLIl I]JUJJf (J = JEruo ruo (L<uo E I t I o) o) ONci o,coN t I t t I I I I I I I I I I I I I I I N o o.l c)(r,o(L ... Fo =:Eq ioro vi;o |-q3 r.=>o) {uu, 3Hr LdbruLu+;?il. q3o- 5- 2 *>9 ? HBtco 6 Y'M- ;coto=+L'- 2 t1lE*s ru trloao)r F LJo) A ts s '.l] ou x >lrI :cO jd xfi6z =Fo Jdzo o(l v fi-toYA Na Ltr6Io -*r, o E o,E B = rEqs 4 ) Fd-:- d.E SEZf; H.o 3F aH n23, 7I ieE= zz :.;ioz oLU u.t r.rl -r f (J = JELUO tUo o.<lLO tr aa^Ots,,t*E CLs sno sq s c.i zoo u-tt M.tu o C) N JJ[!o ul-r FtoLLzo U) (JtIltro-Fz LUO E.tuo-u(, E.trj aotrJ\Joo Nqo (oqo Nco (oqo a tr+t<oo (o c.j @ $ @t 6{o_+<Oto tr)d(o c.) c.j(o rr) @tt \F.-lit a_u)1O-5! q f.-cr)c! o)r-(o6l (o COc{ (o (oN aYai tIvo @(o@F- o@f.-N (f) COcoo (otr)@(o ,25= r.lJ =trIo = z (\I C9 (f)v (o (f) (f)!t ty I o,tr)O) ao J z u @o)@o)co co o NN @c\l c\c\ccC\ o,o)o o tFlrjt z = io rr)o o x.I <)()o o o)o-tIJo = ccc\ccc\ tI o o o o LUJo-A a CONU) FzfoO uJ E. coNa Fzfooultr zo9_FE<O(JoJ Nn f- =oOtux (f)N(/> FzfooIUt. o, o, ozoz J co U'Fztu IUt3a u-l xfJ 1.l.zoo E ciLooaU'3 E.:, (E f GC.9oc o)c #z TU J C) I I I I I I I I I I I I I T I I I I I qc!oo)@N 2 8... #o r)!--rq zl<tL.) v;O :I-HB 4>5o) JuLrJ': O.'u ry2 dzl LE,i. LU t-Ll :LF d Eg o oo)o(L *=9I o- -..HOEs9)2m; 2tu E"oELlJ or {. mF 06; *s.Bdq*t6 .. () j HnsO'E Fz.-aZ<t=@O Pi-toXo, x IY' N =r od-oE>-n-.0 A A ,^E-o a" P,i> 3T=l-z F E--'.: - t< otYiE rumO4ur F,naF U)ilio!, 2346 5N<-(9 LEHE= =Y.;i oz oruu_i -rf, oJOatuO [!o-<rL(J E SzruOo6(; UH1<o- O O O (\ Or \o i (o r-iri ?o snN 2ootux. IO I.IJgl N J)uJO tu =Ftr ILz aoultIFzuJOttrlo- u.Jo c. LrJ aotrl\JOo No O NO o No O N ?o No O N ?o N ? O O O NO O N ?o No o NO O C\ C C NO NO O No O c\C C c\C C No - NO o ac+\oo N o N o O o d O r+rl i I-r \o Ir- ro N c{ (o coN ir-N N o Ol N i rl i{ co o @ C) o rl o zaotos<otro r- J r- r-l o o\ O orl m orJ ro o r-.t @ rr o \or- t0 N r- cnN r- tr) co c\l o 1 cna-N ca Nol co ar)Ot r- Olr+ r-1 rO r-lrl a- r- o rr Orl O @-aLO-5! :r-r-l N f-rl N rr) LO NNl rr) rr)NN (o coNN co rnNN ONN \o ONN rn 6 NN rO roNN cr) N @ an C\jN (c c\ a T N N 1o rr)N r.) rf)N ca ra c! ( c\ :oNN o oNN a2@io= 5E (o d \o Lr)o I c\cr \od N NH rr) Lr)o N (o a- c.) N LO r.)r- -1 cr)rn Otr- LO\o a.)rr) ra \o f-o r fCG\c Ol ccN rnoON oir-Or\o Otto rO Lr)N r ca LnN O Ol \0Nfn Ol\o N ,=oe N o rl ri il r-i r+ UJ =trIo = z = or)\0N o \oN lr) -l oN r-tN oN r-N OtN ro oc\r O (n 6 orn rn Hr, E. :E f- -i -l co r'l CO d coi o J @ r-1 C @ Ol o) d (n6 J z Y @6 @6 oo o Ot oOt @Ot @01 COol oo)oOr @6 @6 c(o o6 coot @ot @ Or Go @ Or @ Ol f \o N o N \oN @ N \0N @ C\] \oN @N (o N coN \o N @N \ca o N t0N coN o N co N (o N Cc\ c r'(r-r-f-r r r r r F*r-r-Irr r-t-r-r-r-r-r- E.FUJt z = oN N oaf)m N N O LO O rO Lr)LNd A A LO aa rOan rntn ar r)tr) TI \o \o (o \o \o ro rc F-f-rr r Irr t-r ar r-r-r*F-t- J]- JJ3 2 = Ol Ot O o d rl o Ln Orn O o () d rr)oo oo oG o)N m |r- cn Lr rf) YI (0 ro (o (o \.o G \0 \o r r-r-ar c-c-a-r-F-r r-Ir- L]JJ(Lri z. U) orirl t-r o() rn& #N(, F Do()tn& rn(-, F o()u& o Fz C rnd rnU F{ Do(-) r,l& d\o(, H Do()l'l& ar(J Fz CCtLE @(, Er Do(_)tn& 01o F oOt'ld oorl(, Frz oOIn& zo9 -FE<(rooJ zoa_ 9o-t#E &s m O Or d O o o\ o !o N ?N -i o I @ sul zootut:rO tUm (r) JJ IIJ() tuIFtol!zoaoIUtr o_FztlJOE UJo- aotrJ\Joo o O r-{o o rlO o rt O O O r-1o O o O dO o rlO O r{o o dO o d ?o O O do O do o o O r+o O ?o d ?o dO o oN{{s Oo tr) Or-l o r-l N N N o rn o ro Oa o ?Or rf) ro O Lr) O N r \o d (o O ro NN o NN zaotos<Ofo @ or-l ? o N N (o ilN ra rr) m rn O rJ1o oi O) 6co c d ro Or O) dri N rf)r-lr+ N (o \o r- O(o O O(o NN @N N 'D_nLCu5i N o-)N ra O a.)N o ONN fnNN d r-{ N(\ c{ r-l N N 1 NN i NN o f-N C\.1 Or r-NN coNN @NN d oNN d @NN i NNN i NNN ONN ONN LONN lr)NN nY!'ni x6J() COoOot(r} Irr LO ra @ oo a- cn Orr.) or)NH f)ano)r, Orflnro carfro i \orooa, OlN N .- @ @ r-ra(o N N Lr)ri@ra or-ro a- -l F' \o Or .-lrorf)N oO\oON oNNro co Ir- doco ;zr'i >d .-l d d H il .-.t r{r.1 LIJ E 3 = z = O rrd \oN ro af)\0 Orct o LO ('l N Lr) orl oro r{d N N TI N C)i N o N o.J N Or+N c)il N O N OH dN od NN od NN O aa -)z Y o6 ool @01 coOt CCo @Ol COOt oOr @o)@ol @ot @Ol oO'@ Or @ O) @ol @ot coOt oOt o Or f \oN f-N N r-N \oN rAI !c AI r-N toN rrN \oN a-N (o(\rrN c\t--N (o N t--N \oN trrN t--r a-Ir"r-rr r-t--r-rr a-a-r-r-|-r F-r r-F- tF[Ut z r)d ro N raro cor)F-r-cc cc Nro Ntr)r)ro \o \a r r Y.I (-r a-FT rr o o o @ o o o o o o o o o o oJo- UJo z = r.)aa -l d d 6 dIr)01 Ol rf)ra @d @ NN c!c!OtN OtN YI r r r I-r r-r-co o @ @ @ @ @ o co co co @ @ co !Jlo t) O Fi DoUr:ld oNX Fl o(Jl'ld, orn F DoOkl& O F DoOHd, o LN F oUIn d, O\ox Er DoOtrl& Oa- F.r DoUtn& Oo FzDoUrrl oOl F o() tdil oodx F DoUtd& z ^9_Ftr<oc)o -l o c)o)(,o- IUaj Fzg 6.n ]U o c.tqdoi<@NJ-o- E, LUI< .. Lo =."rtio qiotrj oyLUH fiE=o) zvl!)o *2!zLti,. l"Urrr I E Es: 9d q = rn>{2 X8eI ueE- -;62alul iil o- F:E frsa.,Fo)Icr-(o2 <R.:Pru ^tu x >u:l .. co jd HnsZ -'=Fo 2-aZo <t)d' Ii -'o $ -&*eE? d';>_ q r'54 a-- ;{ aE -:=5 -.r ^ griE Ac : E - .. zs frEa: =. <602> fiE coO4w F.o rnSF a6 uiap 2E -E1=^g T: -UJii|z +# 3mtr= 5z :.;ioz ot! U.t r.ri -t I (J = lEurO uO o-<uO E I I T t I I I I I I I T I I T I I I t I I I t t I I T T I I t I I t I I I I APPENDIX Radon Flux Laboratory Data and Field Blank Data aFztu oo Goo(!co !e'aa oNotrJ=Jc)o NO O N ? O N ? O NO - NO o N ?o N ?o NO O N: O No O NO o N ?o NO O N ?O No N O NO O NO O No O c\c C N ?o c\c C No o c\c C nC C No O NO O N ?O N o c{o o aNtr+r<oo. r'-) F.i cf CC (f G o O o rt o) o \0 O N O -l o io O rn o Lr) O N o rr) O o af C o ro O C rr) O ( C G I O N N : 6{os<Ot-o ra rl o No I cn ra O)O o o1 Ol @ 6 N d ar J rO O co o an rr) o Ln Lr) O) r-.,] O \o N r-. O N @ 01 : roN i N O (o rf 1 ca \o \0 ON o t-' NN IC n-'J) z-3-5; o) cr)mN (o N N LONN ornN .J rr)raN Ol O coN N o aaAI \o rNN an r- N Ol r-tNl rr oroN rO OcoN i af) N ro c!c! c\] o C{NN Ol d N co(n N (o LnNN ra roNN r) raNN i r-- -lN C Cc\N t- ONN ? NN : N(\ (n fa anN N N N rn O C.lN \o f.) c\:N NYn+ x5J(J rto r-l o {l- r-ro Nr-O r r)r-N(o Ol N r-\oNan N I-r @N r- OroN \o Or-t (o rl d NOl N r.] (o N 14 Nm ol N Ln co rr |-C! \oNOl cotr) il d o dlr)N @ u_)o tr- o.l\o LO cn(oN Olrr dr)ar)(o rON o\o (o ooGA lr) rr) Olo N m .=r+rl 14 r+rt d r-l N N N c\] LU trIo = z- = Nn Nro rr)ro r.) Lr)LO LN (o u^) \0 LO @r)@ LO N N ro lr)c-O Ol o1 o d O d i N N cf)-)d Ln:ro trI -rr rr tr-r-d f-i t-ril r o o 11 o CO @ co;@ co r-1 @ @rf @ @ ora o o o CO @ cc @ aa J z u ool o Ol o Ol coO'co O1 @ 01 coOl ool mOi oot cro coOi @Ot @Or @o)oo\o01 @Or @6 o6 m oo o01 @or coo @6 @6 @6 @Ol c(o co o !oN !oN \o N \oN (o N \o N ro N \oN \o N (o AI \o N \o N \oN \oN (oN (o N (o N \o N \o N N (o N o N to N \0N (o N o\\o N (o o.l \c c\ 10N r-r-t.-r-rr r-r-r r'-|-a-|-rr r r r a-r-a-r a-.r F.ar r-.rr F-r-c-c-F tFtIJE, z = ro J ro .-l (o d f--o.-t Ol H Ol fJ O!oN Cs N d N N N aaN Lr)N roN \oN |-N o N 01N O ar) aa ro I-ran @aa Or O r{c,t v.I \o o 0 (o o o \o \c (0 to \0 (o \o \o \o \o \o ro \o (o t0 \o \o (o rc o -Jo- UJo z = co Ot o rl N r)\o r-(o ON d N NN raN rf)c!LON (o N r- N o N Or N o an cf)co ra t0rr)a-ra corn 01 ca O r{ TI (o \o \0 (o to (0 \r (c \o \o \o \o o \o (o 0 0 o (o (o \o to o s to (o \o .lJJiq 't) r-to(, NO(J (n Ou O(J LOo(, (ooL' t-o(J ( C(j OrO O N f.)rO r-@ ('t d oNU dNI NN()N(,No r) N(9 (o N(J r-N(, oN(9 o)c!(, o ar)(,rno(,(,(,(9 (-,U (9 (9 z^o_Ft<9()oJ o) o) ONooi@N 2 8... # L-I>-^9. :-UJ-E=l i- r.ug_fiftO'FttIJ-F 98 oq tr)oo@o) ozFotu-lo G. CL ozoz Jm U'Fztu t.I.tufa Lrl =x)Jl!zoo tr ciLooaaf E .f oLf (! o o Lo) C FzuJ Jo I o oooG. LL:Oot:H6il@s2>LO=d2cn; z. tll EoF:H-33 is.,B dq*td .. () j 3nsoEtz$z<t=ao.: ol'{- ox- EtvN =r od-oE =_**8 ,.ci=rn t-)O" g.i> T =-J5 do o F O-':< o9/Em9f,g Uaet +',c.t<7\O:LlJinZAotr=Y.;i ozuJulJf,J0(tuO(L<lJ.(J U)FzIIJ oo aNotrJ\JOo No o No O dO O c!o O c! ?o C\l ? O N o NO o N c) No O No O No O NO O No C) N ?o NO O No O NO O NO O NO O N ?O NO o NO O NO O NO o NO o No o No O No O No O No O a {-{ \oo fa d r) (\ cr) ra \o a- J rf tr) Ol O ro lr) N LO @ c\l ro O r+r)ro N N N O d (\ N LO rJr-l N N O N 6 H r- r-N I 7{'Jtr <CX.c r r-l Or N r ^ Ol Nm r) d N \or- Ol O LO dn N OrO o r- i N t0 rn6 i @ r-t LO d ri o tn N rl rl d (o orn r.) LO \o N r- raN (o ..]trr .f NN O) r-lr-t d NN : ON O rn r-t r-{ :r- Ir-N Ol d; ,D-'n= J-5l \oNN o N \o Ol Nc\] o O)NN ? @NN o raNAI : NrnN c\n o \o caN ONN : NN d \oNN d NN Nr.)N i|-rf N T NNN Ol OrrnN aaNN :ONN I LnNN carnN to r-l N N io N O N Ln rnraN N O N \o O ar)N rrnN o c.)NN :ro N aY)a= :kov(J OdNi anN ro ar)o o rOo oo r (c N (c c\ an cora\o a to arraN O |- f- (oor c!rrr- Lr) O G1ar \o I'rto rnaa\o r-a- aa aa @6 NcaO il cn r.) Or t-- r- r \o r.)r-l @ 6 ONNF- rf) rO aa LO cn 01 cr)oN\o No\oOi ar an \o CO r} Olt-rn t-,-=og N d d r!N r4 r-l d I,IJ =trIo = z = t-i r @ co Ora Ol H ON ON N dN NN NN rr)N raN N N Lr)c{r)N r-N t-N 01N OtN Orn o an Nra N aa r.) ca rr)ra Lr) an Lnrn a- Y.I CO o o o o o o o o @a o m o co @ @ @ m oi o @i m o oi O @ o o @ @ aa J z Y o\@o @6\@6 co6 @6 @o @o @6 mo o6 6 o Ol o Ot o 01 coor o Or o Ol co Ol cool oo Ot o Ot @o\@or ool @o)@o\CO Ol @ Ot do ( d (\o N \o N (o N \oN \o N (o N o\\o N \o N (o N roN \o N (o N N (o N (o N (0 N \o N to N \c N \o N N (o N (0 N (o N \c c\ \cc\\o N \0N (c c\ $c\ C = Ir.r-r-r-r t--r-r-r-f-F-r-r-r-r-r-rr t--t--a-F-t--r-a-rr t-r-r-t-r r- EFUJt z = cr)N6 \o (o \o F-@ 01 On N LN rn n ra6 (Cr r-n cr or C H 6 (f o C dd Nd r+u-ro d M,T \o r-\o \0 \I)\o \I)\o \o \o .!(o \o lo (o \o r-(rr l-r Irr r-r-Ir ar r-fr r-t-- oJ(L [rJo z = N ra lr)\o (o t.-o Ol On n c\t r n ron \on F-6 on Ot6 o N d\od d N 14 d LNd Lr) tT (o \o \o \o \o \o \o \o to o (r \o \o ro \o (o r-r-r-c-Ir-r.r r-r r-r- IJJici 't) c\ c c ar)TI rr) (J \ora(, r- aa(, @ cn(, Olr.,(J O U U c\ (j ra U U rO U (o (, r (, 6 (9 (, orO(9 LOU NrO() rf) LO(,LO(9 rO LO(,LO(,r)U orn(, Ottr)o O!ou o N(oo zao -Fr<9()oJ qctoo)@N 2 d .. !- ^F:r>lo-.-tu6E=:f ; [leqfto-l-- E TUIF LUO>(o)r oodoo@o) o Foul.?o&o- CIzdz -_Jc] U'Fzt!l t.ux.fa [! =xfJLLzoo E, ci oOaU)3 E'- o3 i6co (!cLoc FzuJ Jo t t T I .c C)N o)o)oo- o)o,(o ro 'Jfoj O oNo No =-No o .:o; LUFU) U)oztr f,oo tr;Orn2- H5;s9)2cnF2z. ul EcoELUo,<FOEN <N() JoF.-.. :co9o6tu-'= Fz $z<0a=)ao tli o ?3LLt_ B *,r =t- o6 a,, oan c..)" P<:I >:i(J OtJ k Ee@o< fr3-=(JrN<6: lll riromr9abtUUIJIEUJO-<tL o, o, oodoo@O) ozF(J LU-)ou.o- (,zoz Jc) UiFz uJ UJ E.f(/) IU x =JTLzoo d. ci oo aU)f E .f,Co f (!co o o C #ziT)o I T t I I I I I T I I I I t I t I I I qqoo,@N 2 8... #n1-r>de. .-ul6E=:ir-ueE{o-F dtll =F uloBS v o (f) oo)oo- Lt-:Ooi- o'5 hs9)2c!F2z. t.lJo-dE.o EH-AB frs,rB dH*;6 -Oj8nsa'r 'E F-z az<EfaO Hi .o'oYO, A (tN =r od*oE =.j*.0 g ,, o > " E;3 5 bd c < 6u?>g]04UJ n3b E=der<i-iO6HE=:.;i ozU.t ul --r fJEtUO(L<tLO 2zIJ ==f, -) aNItrJ\Jo o NO o No o N No o N O No o N ?o No a) No O c!o O No O N ?o No O No O NO O NO O NO O NO O N:o No O NO o NO o N ?O a{o O N O No o N o No O NO O N o N O aNc+\oo rJ) o tr) N r- O : N N N ar @ o (o o Or r.) r-t @ rO N rl N o O @ i O lr) J Nr-{ (o r-l r-l Lr) ca o a.) d N (o O (o N Or N F- N Ii-(o r{ o (o ZaOEni<Otro @ Lr)N N r- \o \o N rl Nc! ?r- r- r- |- m LO Ol @ ra fa O o LO N N N \oN Ol t-- ? CO(o d ol O) rO N N \o rl lr) @ Ol N af) N O) Ir)orn (r} N tr) OrN ?r-N @ ra d \o r-1 f- olrr) @_o-O-5!raN t-- @rr) N ro 6l rr)N N aaN \oNN i N ior.)N @ d rf) N \o N N 1 rrNN :o anN r- ONN 01 mr-lN .-l N af)N \o r aaN (f) rraN r-t @r-lN an aaN I @r.)N 01 cr) N co \0NN i @r+N o\ N \o ro C\lN i @NN o cnraN Ir-NN ? arrn N cr) rn N 1 dcnN rr rrf)N 'n Y)nC xdv' (J co @\o d (n lr)o)r-AI NNra @ Ol t-- dNrnN ot Ol rON LOO I'r Ord Or @N c- N ua @il N Ot rr) co o F- Ol Ln N NOl rl N raO Ol rOOrro r-l @ r-ar) 01 o)\o an to or+r+ lr) Ot Lr)or r- r-\o @o F- otr) @ r{ (o \0r)(n OlNN N co o)N(o rn rro) LO N \o Lr) 01 O'rl >1 "l 2 d il rl ri d d rl I.U ==Io = z = rrrf)Or Olrn ra r)Ln f-a-Ol Or orO olr)rltr)dro ar) rO rr)ro ror)r)r)arrn tr-ro o)ro oa aa r r YI @ o @ o H o d o O @i oil co o co o o @ od @i o o od (CC cc CC c(o o o Ol o o U)a J z Y @ 01 coOl @o\@ @ol oOi oo\co Or @01 @ol @ Or o O1 @Ol coOr coOt o 01 coo\coot @Ol @Oi o co cco cco o c CC(,(o Go G6 coOl o \-oN \oN \oN \oN N \oN \0N (o N (o N \oN (o N !oN \0c!LON @ \o N r-oN \oN \oN \c G (o N \c A \oN \oN \oN \oN \oN (c G \c G (cn \o N r-tr-r-r-r-t-t--r-r-F-r a-r r-r c-r-ar t-r rr r-tr-r-r r-r r r r tr-F- trFLutr z = r-@ Or N N Nc!cr)N N N LON \oN r-N OlN o(n rlrn N rr r (f rcrr r-- (f) or,O o) (f) O r-t N N ror)tr)rnrf) E,r r-a-a-r-r-r-rr F-t--rr r-rr r.Ir-t-r-r-t-..-|-F |-|.F-r-r-r r r tr-t-r oJo- Lr.Jo z = \o r cod cod Ot Ot oN rfN c!N NN roN aaN N LON \oN r-N cc C\ o)N o\N orr)o(r).-l ar) rlcf)Naa cncn ra rorf) (.o cn rrrf)r-@ E,I F-Ir-r-r-r-f-F.r-r r r-r r r a-a-rr r-r-r r r r-r--a-tr-a-rr r-t'-Ir- JJ!q n r\cg \cc f lt \o(, |-(o o(o(9 Ol\oo Or-(, drr(, Na-(, rar-o a-(, r)r(, (o rr(, r-a-(, @Fo Olr*u OoU r-loo No(, ra m o(, lr) U (ooU f-co(, co @U o) co(, oOl(, rlolU Nol(9 rf) (, z ^o-FI<9OoJ (r) (n I I I I I I t T I I I I T T I T I I T qqoo,@N I E..tLLO 111^Iq 2lotr) v il'io \-t-<3 'a?s o) Jutrl" Oi'r(t9 -"2{ LUl. l.-tl[r+ -F-r HE rt os o)o,o& aa J z tr u-tFaz o \zz Jco (,2 1l-: (J= ,^>-)2 EBa; s9) --ULaL'-L1+2LrJ -E EsEs a *s*uBuJ luj= "-??x >LJl .. (D jd xfisz o'EFO z6zo <Efx' Hi -toci E- Artv(\lO =r oo d'oEa >-3 **8 .. n )5 "E:-3c : E Y ..! 3 aacJ L = .. -:n < o!415E ooO4l.xo .^3FH ilJolDtr -2/ie :Bfie# 3otrrz :.;ioztu tr.t ui -t f = JEtUO(J (L<tL(J aFz TU oo oNE oo o zIotIlu. I() t!tco N JJ TU C) uJ-F E.oLLxlJlrzoo E TU(, t TU aNItrJ\J5o No O r-lO O No O r{o o NO O oNtr#<5o O O o o O o O r)<) o zaotOS< (-)do \oo O o or{c\IrJ O @r-l O a_u) z-O-5!d N i dN 1 \o il N ea rO il N lr) Lr) r-1N nYni J-xdJ(J r,o)r- I-rr)o) d d dol Noo\a r-t-.JN -="t2 O Oi o O Od J E Il = z rr)N Lr)N \o an torr)a- E.-co ra ca d cnd a a J z T,CCo oOl oOl oot oot 3 N (o (o N (o Nl \oN c FT r-rr F-rr tFtut z E O A r Yr r t--r a-r 3JLIJf = o Nd rf)il d xI rr Ir-r-r-r- LUJgci z. U) Fl I(, N Flm IL' C' z }Jro I(, Flro I(, !o |-l I zo9_F(r<ooo) ; Mz Fl an N VZ Ff(o ra V F] ao )dz F-l cq rn F:m U)Fztu oo aotrJ\Jiio No o No O NO O NO O N O N ? O N:o a tr+t<i5o o oN @ N LO tr-d O) o\ d N.{ U) Ol O r-l --t Oo Ol r{ :E() LrJm N JJUO tu:EFtoTLxfJlrzoo x. ul(9 ttu <PJtr3S<OYo' ooN i @N ('1 f-coOr r- ON ro Lr)ot c) a-azO- 5= r-- \oNN Ol N N co Ol r-{N oNN N N : a-NN : coNN @Yai LJ- 5E @ riNro (or-oi \o Oro tr) r)rf LO-{rr) Otn rrrf) cr) u')O cr) \oN c.) t-;2=o= u =trIo = z = r t-o o r+r-t rf)d t-Ol o o Ot Or ot O)i a6 J z x Go oOl coOt oOt OOt oor @o) tc\toN \oN \oN (o C!\o N (o N rr r r r r f-r- v JIY z = N LO Nro rJro Olr)|-Lr) \.o Ln aO E,-a-r a-I'r a-a-r- oJ(L UJo z = om Ot N tr) tI t--t--Ir-a-r-r- UJJ3q (/) or() rn Ol \o Or(r r-o\(, o Ot(, 01 01o ood(, z ^o-FY,<9()o -J ozofulcL [: =ao Ol (oN r- Ir)N ar Or (O N I LON r- oOr (o N tr- ILr) N r- oOr (o N rr IroN rr @Or (o N rr I Lf-)N F. o('t (o N r- Ir)N t- oOr (o N a- Iro N t-r @ OJ (o N t- ILON Ir- @Ol (o N t-- I LON r- @Or (o N rr Ir)N |- @ Or \oN r- I LON rr @ Ol (o N FT IrnN r- @o\ \or.] I rOrl ol @ Ol \0N r- I Lr)c! r- a Or (o N r- Ilr)N r- @Ol roN Ir)N r- co Or \oN f- I Lr) f- CO 01 (o r-{ Ot I f+ Ol @ Or \oN Irr IroN |- oo) \oN r Ir)N f- o \oN r- IroN r- ol (o N ar I LO N ar ol (o Oi I LO O1 o rc o Ir o Or (o d o\ I LO Ol oOr roN ar Iro N Or (0 N r- IroN r- OOr \0c{ r IroN r- @O) (o N r- Ir)(\ r-- oOl (oN rr IroN r- oOl \0N I LOc! aNotrJ<Joo NO o r-l ?O -l?O rtO O O O No O O O O O O O O O N ?o NO O NO O ilO o o o O O rfo O o o o O O O o O O O O o o O O O o o O O O O o o O o o aN+'soo N o LO o o Io : O O o o ra t o d d O LO o r--{ ro o r--{ o @ o rl rf i H N t (\ ar) m N Ot an O o O O O @ o za3tsfs<OYo 1 N LO (o N N N rr O C\t- O N ar a i d a- Or-l co o en n @ rnr-t -l n N ri ro o r-t o rl r.o o -l (r) cn rr Nd r) d N i rara o N Ot or-t r- N Ot \o O @ fn o F- @-az-Or-x.>(9> \o (f) N ir-r)N r{ N N 6r.)N ct o N N rJ N ? f-(n N \0 N N (o d N il n N (o r aaN O N N r- oNN !o N cn r-l N N o N o N N \o anN rr) N @ r{ N (n N i N r ca aaN 01 r-rnN : LONN : N N : N N N N N N N ro N N N (DVaio= 5g r)drar-{ raroa-N o\N(o d r-{il rl o\Or-t o)\o r{ \o ild N cno |- r) N oN Ora- ro(o o dc.lrn rl Nr-l aa ol LO co It- \o Orora ao(o af)raoO oOcor) roO)N\o o coLr)rr dco ir- o LO Nr) o\o cot-. Lr) o) m\oO d O(o(o aaca\orr) Noo c!c!af) N OlOrlr) t-;-=o=N N N N ri r-l rl rl N d r-l ii N .+ uJ =trIo z = rn rn ro an r)rrrn r-O N r.)@ c.) ora |-@ oro (o ca ro ro ror)r- LO N cr) Nm ra N r.)LN r) tE d d il i i dd d d d ro i J r-l d LOd d i d d H C\l Ni C\l Nd NJ Ni 2't) J Z Y Ol oo)oOi oO)oo\@o)@Ol @Or co COo\COOr @ Or @Ol oOt oOj o6 @Ot @6 @o @6 O6 o6 @o @6 @6 o @6 @6 o6 co6 o6 3 r-N F- N rN |-N r-N |-N F.N r--c\l rc\l rN rN F-N NN t--N -.N r-N r-.N NN rrN tr-N rrN r-N NN NN NN F.N F.N tr-N rrN r-N tr-N r-t--r r-r-t--r r r r r o i--r-f-r-ot r-rr a-t-.Ol CIl Ol f-|-r-r-r-r- E,F[rJt z = orn Nlr)lr)\or)oro o N (o @ C(\\c ON oi NN N N \o(\N ln N N cn (o f-@ o Et a-r-r-r r @ 6 o o o rl I oH o o @ @ O o @ o CI C C C C c o o o oJo-ulo L = orf)c\r Io \o LO @ LO o N (o @ C rr) \o @ Cn cA NN N A \cG cc ON Nro \ora r- an @ E.-f-r-r-f-r-o o @ o o @ orl @ O co o C c c co co O O o @ @ cc @ c(co o rIJL =T) r+ot No (n O r)o t0O:r r-O:l @O otO:E O CC 7 i r!Nrla rl r-l rod& \o rrd <J) o o)r-t ON d N NNa mN @ N U) tr)N (o N t--N oN:q G Or.) zo9 -Ft<O(JoJ o:. 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