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HomeMy WebLinkAboutDRC-2001-001023 - 0901a0688080584clnternational Uranium (USA) Corporation White Mesa Mill SUA-1358 Docket No. 40-8681 Semi-Annual Effluent Report January 1, through June 30, 2001 Copy to Mr. Ronald E. Berg Radiation Safety Officer White Mesa Mill I t T I I I ! I t ! I I T August 30,2001 U. S. Nuclear Regulatory Commission Region IV, Arlington Field Office 611 Ryan Plaza Drive Suite 1000 Arlington, TX 76011 INTERNATIONAL URANIUM (USA) CORPORATION SOURCE MATERIAL LICENSE No. SUA-1358 WHITE MESA MILL, BLANDING, UTAH Semi-Annual Effluent Monitoring Report for Period January 1,2001 through June 30, 2001 Dear Sir/I4adame: As required by the Code of Federal Regulations, Title 10, Part 40.65, and License condition 11.3 A of NRC Materials License No. SUA-1358, enclosed is the semi-annual effluent monitoring report for the White Mesa Mill for the period January I , 2OOl to June 30, ZOAI . If you have arty questions regarding this report, please contact Mr. Ron Berg or Mr. Richard Bartlett at telephone number (435) 678-2221. Sincerely, Za,€qr Ron E. Berg, Radiation Safety Offi cer I ] I I' T I t I I Copies to: I I t I T I I I T t t Mr. Melvin Leach, Chief Fuel Cycle Licensing Branch Division of Fuel Cycle Safety and Safeguards U. S. NuclearRegulatory Commission 2 White Flint North, Mail Stop T-8A33 11545 Rockville Pike Rockville, \lD 20852 -27 3 8 Dr. D. Blair Spitzberg Senior Health Physicist Division of Reactor Safeguards and Emergency preparedness Region IV, Arlington Field Office U. S. Nuclear Regulatory Commission 611 Ryan Plaza Drive Suite 1000 Arlington, TX 76011 Richard E. Bartlett Ron F. Hochstein Michelle R. Rehmann William J. Sinclair, Utah Department of Environmental euality Tom Rice - Ute Mountain Ute Tribe Central File U. S. Mail - Express Mail, Return Receipt - I I l' I. 1.0 I I t T 2.0 Gas Stack Samnlins No gas stack samples were collected from any White Mesa Mill effluent gas pollution confol systems for the period January 1,2001through June 30, 2001. The Mill was in abeyant operations for the above period and these systems were not operating. This information would normally be reported in Table I, however no data was collected during this period. Figure 1.0 attached to this report is a map of the White Mesa Mill property that identihes the various environmental sample collection locations. Environmental Radiological and Effluent Monitorine Data Environmental Radon Radon 222 fuixwas not directlymeasured, because IUSA's license does not require direct radon monitoring by the use of TLD chipEIUSA demonstrates conformance to the limits and requirements of 10 CFR 20.1302 (b) (1) by use of computational methods. Direct Radiation Gamma exposure rates were determined for the first and second quarters of 2001 utilizing passive integrating devices. Optically stimulated luminescent dosimeters were located at each high volume air sampling station: BHV-I, BHV-2, BHV-3, BHV-4 and BFrv-S. The location named "BIrv-3" is used as a background sample for direct radiation because of its remoteness to the plant mill site (approximately 1.5 miles distant). The gamma exposure radiation results from this location are subtracted from results of other sample locations. Table tr illustrates garnma exposure rate measurements for the fourth quarter of 2000 and the first and second quarters of 2001 after a background correction has been applied to locations BHV-1, BHV-2, BHV-4 and BHV-5. A comparison of this data to the average garnma exposure rate value in mRem/quarter at each location since 1988, indicates no increased trend in direct radiation at any location. Vegetation Vegetation samples are collected at three (3) locations around the Mill periphery. The sampling locations are northeast, northwest and southwest of the mill facility. vegetation samples are collected during early spring, late spring and fall (growth seasons). Vegetation sample results are presented in Table m. A review of this data compared with results of several previous years indicate no increased concentration of Ra-226 or Pb-210 in vegetation growth. Laboratory results are attached. Graphical representations of the vegetation sampling data for the White Mesa Mill vegetation sampling locations since inception are included with this report. Note that all values that are reported below the stated LLD value is not plotted on these graphs. The basis for this approach is that a value reported to be below LLD is by definition 2.1 2.2 2.3 I I I I T I I t t I. t I I t 2.4 not quantifiable. Environmental Air Monitoring The environmental air particulate monitoring program is conducted at the White Mesa Mill utilizing four high volume continuous air sampling stations located as indicated in Figure 1.0 attached. High volume air sample station BIIV-3 is no longer utilized (with U.S. N.R.C. approval) to collect air particulate data for background correctional application to other sampling locations, because sufficient data has been accumulated at BHV-3 to make appropriate background corrections to the other sample location data. The results of radionuclide concentrations for air sampling Iocations BHV-I, BHV-2 (nearest residence), BHV-4, and BHV-5 are presented in Table IV. A review of the information, comparing results to those from previous years indicate no potential upward trends in radionuclides measured at any of these locations. Laboratory results are attached. Graphical representations of the air sampling data for the White Mesa Mill air sampling locations since inception are included with this report. Note that all values that are reported below LLD values are not plotted on these graphs. The basis for this approach is that a value reported to be below LLD is by definition not quantifiable. Groundwater Monitoring The groundwater monitoring program sample results for the first and second quarters of 2001 are presented in Table V. Quality Control samples and Quality Assurance samples are indicated on the respective quarterly rezults. An analysis and discussion of this information is attached as Attachment I, Table V. Surface Water Monitoring Surface water samples were collected from Cottonwood and Westwater Creeks the analytical results of these samples are presenteO iir faUte VI. No obvious analyte hend is evident from comparison of previous data for Cottonwood and Westwater surface water collection samples. Laboratory results are attached. Soil Sampline Annual soil samples will be collected in the fall. There are no soil sample results to report in this report. Meteoroloeical Data During the first half of 2001 the decision was made to change the collection and reporting of meteorological data from EnecoTech Environmental Consultants to McVehil-Monnet Associates,Inc.. McVehil-Monnett will prepare the semi-annual Meteorological Monitoring 2.5 2.6 2.7 3.0 ReportfortheWhiteMesaMillfortheperiodofJanuary l,20OlthroughJune30,2001. This information is retained at the Mill site for review and inspection. I l, I I l', I 1,, .l t I I T, T l' I I t, I li i l'' I. 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Tl rrlrrl{ cNt0NVtS OJ Y z-AHg I I I t I I t t T I I I I T t t T I I STACK SAMPLING MOI{ITORIl\G RESULTS FOR THE PERIOD OF JANUARY 1,2001 THROUGH JUNE 30, 2001 I l, I l' IUC - White Mesa MilI Table I - Gas Stack Effluent Release For the Period ofJanuary 1,2001 through June 30,2001 I I I I I I I I t t T t I Constituent 1st Quarter 2001 Date Sampled: NA Mill in abeyant operation 2nd Quarter 2001 Date Sampled: NA Mill in abeyant operation U-nat conc. U-Nat Release Rate U-nat LLD Ra-226 conc. Ra-226 Release Rate Ra-226LLD Th-230 conc. Th-230 Release Rate Th-230 LLD Pb-210 conc. Pb-210 Release Rage Pb-210 LLD Not measured - Mill in abeyant operation Not measured * Mill in abeyant operation I I I I t I I I I I T I I t I T I I I ENVIRONME1\TAL GAMMARADIATIOI\ MOI\ITORII\G RESTILTS FOR THE PERIOD OF JANITARY 1,2001 THROUGH JUI\E 30,2001 I 1,, I I I,r IUC - White Mesa Mill Table II - Gamma Exposure Rate Above Background (mRem/Qtr.) For the Period ofJanuary 1,2001 through June 30,2001 I Location lst Quarter 2001 2nd Quarter 2001 I , BHV-I I ,il; t BHV-s 13.00 mRem/Qtr. + 0.15 0.00 mRem/Qtr. + 1.50 1.00 mRem/Qtr. + 1.40 2.00 mrem/eh. + 0.60 3.00 mRem/Qtr. + 0.09 2.00 mRem/eh. t 0.80 4.00 mRem/Qh. + O.:O 4.00 mRem/Qtr. + 0.30 l; I I I T l,' I l: ..t l'' I Notes: (l) lst Quarter results are determined by subtracting measured background data collected from Location BHV-3, 34 mRem/Qtr. + 3.4 mRem/Qtr. (2) 2nd Quarter results are determined by subhacting measured background data collected from Location BHV-3,29 mRem/Qtr. + 1.0 mRem/etr.. I I I I ruC - White Mesa Mill Table II - Gamma Exposure Rate Above Background (mRem/Qtr.) For the Period ofOctober 15,2000 through February 28,2001 Location 46 Quarter 2000 I I .. I I I I I , l., t l, I t I I BHV-1 BHV-2 BHV-4 BHV-5 0.00 mRem/Qtr.10.20 2.00 mRem/Qtr. t 0.70 2.00 mRemlQtr. + 1.00 0.00 mRem/Qtr. t 1.40 Notes: (1) Fourth Quarter results are posted in the Semi-Annual Effluent Report for January 1, 2000 through June 30, 2000 as they were not available for the previous report. As promised at the time of that report the results of the Fourth Quarter 2000 Environmental Gamma Report are submitted with this report. The company that had provided dosimetry services to the White Mesa Mill's prior to September of 2000 was merged into another company at this time. This moved the dosimeter change out schedule from the first of the month of every quarter, to the middle of the month starting every quarter. With transit and reporting time, dosimeter results for the quarter immediately before the Semi-Annual Effluent Report's may not be available at the time of its writing. Fourth Quarter 2000 results are determined by subtracting measured background data collected from Location BHV-3, 34 mRem/Qtr. + 2.2 mRem/Qtr. o B8 .Lb:ro .L g'o I T I I T I l1g I lTl r llll.lI ,;l H I l,lI lil t r_El T I I I t I mRem/week ta ? E .Lb)8 o(I(o lil $ Irl: ,l il l:l $' lil d' hl sI "(Jo l>. ---- >{ t -i>. >a >{ H I =a J A mRem/Quarter o o N(noo-E'+ra ao! I@{ a(Do I@(o (D 0, Hg (n 'l =€-l g rLItsl g: llg tso oo_ (r, (D! I(o o) aoE I(o (Jl ao!,I(o{ a,oE' I(o(o a(D! Io mRem/Quarter o@ o i\)!ao EI cl)o't I @(,r U,o!t@-.t a(DI' I tsEoxo a =aag Adogo-oo ocLo oE I(o o, aoEI(o(rl a,ooI(o{ t-f,- .----4r'-- l€* *-J =I I Ir -l { tll S€-----{ --{ -{ I >r I I I H d-<- mRem/Quarter JJNN(})(^'5(,to(,to(Jlo(,lo ao'o Io(o @o "*r;EP9 =o. >I a"-- -_- 1__-I_ ,; l]4 *I**,----1I I.-r-=-I ::"*-l :::r:*f il -..l*--,^-"_ l3::.=; :::{I I ':t -l'l-:..=1 :tr -t:,".'"a I --,I :-4.{ -{ --:I;:::*==I I Dr o 5 mRem/Quarter o@ct, o(Dtsl -'-r-* t: ::;f U,oT' Io{ a,o 'ctI tsEox(cT 65ao.€9qtrt tso oo. u,o!I(o(.) ao!I(o(o \r >l t { -lI I X -lI \ e < a1 I= r< --l'- >>l { a = {> >r = -f ------It'\ >{ >I --- ]< ] -7 L-rI-s -H -t d >I :< Z -ar N)5 mRem/Quarter IJJo)@oN5AoSt6I aoo I@{ a,oE Ia@H(oo-@ a5(no-€ 9qcr tso oo. u,oo I(o o) @oo (o or a,(ll EI(o{ aoa, I(o @ ==o 3oo!f =oo Jtgl =.oo o otr E. o!f o o!, 3J 9' g. troo E IN o tE Io) S,)(,rIr)(,r BHV.6 N9 or Ln T I I I t T T I I I t t I I t T I I I qO oo \I HlEl e Nl*8 lllN l=l N) Ctlo I(Jro bo !,oo s, Oro 5oo VEGETATIOi\ Ei\VIROI\MENTAL MOi\ITORTI\G RESULTS FOR THE PERTOD OF JANT]ARY I,2OOI THROUGH JUI\E 30,2000 TABLE III INTERNATIONAL URANIUM CORP. WHITE MESA MILL FORAGE RADIONUCLIDE DATA NORTH EAST OF MILL SAMPLED DATE Ra-226 Ra-226 LLD VALUE ERROR uCi/Kg uCi/Kg uCi/Kg 5.0E-08 Pb-21A Pb-210 LLD VALUE ERROR uCi/Kg uCi/Ks uCi/Kg 1.0E-06 27-Auq-81 3.90E-04 1.0E-05 5.0E-08 1.10E-03 1.0E-04 1.0E-06 20-Oci-81 1.40E-04 1.0E-05 5.0E-08 6.80E-04 B.0E-05 1.0E-06 15-Aor-82 1.31E-04 1_38-O5 't.0E-06 4.90E-04 7.0E-05 8.0E-05 0'l-Jul-82 1.608-04 '1.0E-05 5.0E-08 8.008-04 1.7E-O4 1.0E-07 30-Nov-82 2.67E-06 1.1E 06 1_0E-06 1 088-04 s.0E-06 1.0E-05 13-Aor-83 9.36E-05 6.28-06 8.0E-09 4.978-04 9.3E-05 1.0E-04 01-Jul-83 1j2E-04 1.2E-05 6.0E-06 1.84E-04 1.2E-05 1.OE-06 30-Jan-84 1.09E-04 8.0E-06 4.0E-06 7.80E-O4 6.2E-05 6.0E-05 28-Jun-84 3.478-04 1.2E-O5 2.0E-O9 3_7sE-03 1.6E-04 4.08-08 14-Nov-84 5.61E-04 2.0E-04 2.0E-07 7.82E-03 3.3E-04 7-0E-08 27-Mab85 I-O5E-O3 3.OE-05 2.0E-06 3-22E43 1.4E-04 2.08-05 15-.hrl-85 8.20E-05 7,0E-06 3.0E-06 7.708-04 1.3E-04 2.0E-04 09-Oct-85 1.15E-04 1.0E-05 3.0E-06 5.10E-04 3.0E-05 2.0E-05 24-Mar-86 5.72F--04 2.18-05 4.0E-06 2.498-03 1.0E-04 1.0E-05 10-Jul-86 5.01 E-04 1.3E-05 3.0E-06 't.578-03 1.7E-03 2,0E44 18-Dec-86 8.70E-04 5.0E-05 3.0E-06 6.80E-04 3.0E-05 3.0E-06 20-Aor-87 5.90E-04 7.0E-05 5.08-08 't.50E-03 1.0E-04 1.0E-06 0$Jun-87 1.60E-04 3.0E-05 5.0E-08 9.50E-04 4.0E-05 1.OE-06 22-Dec-87 2.10e-04 4.0E-05 5.0E-08 1.70E-03 1.OE-O4 1.0E-06 19-Aor-88 4.50E-04 7.0E-05 5.0E-08 1.408-03 1.0E-04 1.0E-06 28-Jul-88 3.20E-05 2.2E-05 5.0E-08 1.50E-04 4_4E-O4 1-0E{6 07-Aor-89 5.60E-04 4.0E-05 1.10E-03 1.0E-01 06-Jun-89 1.50E-04 2.0E-05 2.30E-04 2.0E-05 07-Nov-89 6.00E-04 5.0E-05 7.0E-06 2.048-03 7.08-05 1.4E45 17-ADr-90 2.60E-04 3-0E-05 4_0E-06 3_30E-04 2.0E-05 2.2E-05 20-Jun-90 1.808-04 2.0E-05 5.0E-06 3.20844 2.0E-05 1.OE-O6 17-Oct-90 1.60E-04 2.0E-05 s_0E-08 3.30E-04 2.0E-05 1.0E-06 10-Aor-91 1.208-04 2.0E-05 5.0E-06 3.00E-04 2.08-05 1.0E-06 1'l-Jun-g1 9.10E-05 1.6E-05 2.OE-OI 't.90E-04 2.0E-05 2.OE47 20-Nov-9't 4.50E-04 4.0E-05 s.0E-08 1.09E-03 5.0E-05 1.0E-06 22-Agr92 3.60E-05 1.0E-05 2.0E-06 1.50E-04 2.OE-05 1.0E-05 1 0-Jun-92 1.00E-05 7.0E-06 2.0E-07 7.50E-05 2.0E-05 1 -0E:06 1 0-Jun-92 7.90E-05 3.5E-05 3.0E-06 7.10E-04 7.0E-05 2.0E-05 13-ADr-93 3.70E-05 2.2F.-05 3.0E-06 2.80E-04 3.0E-05 2.0E-05 26-Jun-93 3.00E45 1.58-05 3.0E-06 4.30E-05 3_5E-05 2,0E-05 '12-Oct-93 6.60E-05 2.7E-OS 3.0E-06 5.30E-04 6.0E-05 2.0E-05 1-Mav-94 1.80E-04 4.0E-05 3.0E-05 4.408-04 6.08-05 2.0E-04 1$Jul-94 1.71E-05 1-28-06 9.0E-08 3.00E-05 6.1 E-06 4.5E-06 28-Nov-94 2.40E-O4 1.sE-05 1.7E-O7 1.70E-04 't.1E-05 8.3E-07 1-ADr-95 6.70E-05 5.4E-06 1,6E-07 1.40E-04 1.3E-05 7.9E-O7 0&Jul-95 1.50E-05 1.5E-05 1.5E-07 s.10E-05 4.5E-06 7.6E-07 '15-Nov-q5 5.s0E-05 5.0E-06 1.aE-O7 6.70E-05 1.0E-05 8.8E-07 23-Apr-96 5.20E-05 2.sE-06 1.5E-0/3.20E-C 4.sE-06 1.8E-07 31-Jul-96 14-Nov-96 3.00E-05 2.5E-06 1.BE-OI 1.40E-04 'I E-06 9.3E-07 21-Aor-97 1 10E-05 4.7E-07 1.2E-O7 4.10E-0s 3.6E-06 6.1E-07 05-Seo-97 1.'r0E-05 4.3E-O7 1.3E-07 2.10E-05 7.3E-07 6.7E-07 20-Nov-97 8.00E-06 1.2E-06 5.6E-07 1.40E-04 4.6E-06 't.18-07 23-Mar-98 <9.10E-05 9.1 E-05 9.1E-05 <4-50E-04 4.5E-04 4.5E-04 1 6-Jun-98 1.80E-05 '1.2E-06 6.3E-08 4.00E-05 1.8E-06 3.2E-07 05-Nov-98 5.70E-05 1.0E-06 8.2E-08 8.70E-05 5.0E-06 4.1E-O7 ',l5-Aor-99 2-OOE-04 3.0E-06 't.2E-07 3.00E44 't.0E-05 6.0E-05 07-Jul-99 6.03E-05 1.4E-06 8.3E-08 1.40E-04 4.7E-06 4.2E-07 02-Dec-99 2.30E-05 1.08-06 2.38-07 2.108-05 1.08-06 '1.1E-06 21-Aor-00 1.50E-04 3.0E-06 1.2E-07 1.60E-04 8.0E-06 5.9E-07 22-Jun-00 1.20E-06 ibao-l 2.88-07 1.60E-04 1.0E-05 1.4E{6 21-Dec-00 1.60E-06 1-1E-06 3.7E-07 5.10E-05 5.0E-06 1.9E-06 SO-lor-01 [1.ooE46T 1.oE{77 2.4E-07 <1.2E-06l 1.0E-07 2.4E-47 14-Jun-0'l 2.30E-06 2.OE-O7 9-9E-08 3.80E-06 2.08-07 5.0E-07 Ii t I .ll' I # OBSERVED 5.90E+01 5.90E+01 5-90E+01 5.90E+01 5.90E+01 5.90E+01 [4AXIMUM 1.05E-03 1.99E-04 9.10E-05 7.828-03 1.008-01 4.50E-04 rIEAN 1.81E-04 2.O2E-05 3.15E-06 6.97E-04 1_7AE-O3 2.66E-05 ]TD. DEV.2.27E-O4 3.04E-0:1.22C-U5 1.21E-O3 1.29E-02 7.22E-45 '2nd quarter 1996 we were declared a disaster due to drought and no samples were laken I I I I l' I l' T I I t I I I I TAtILE lll (Uont.) INTERNATIONAL URANIUM CORP. WHITE MESA MILL FOMGE RADIONUCLIDE DATA NORTH WEST OF MILL SAMPLED DATE Ra-226 Ra-226 LLD VALUE ERROR uCi/Kg uCi/Ks uCilKg 5.0E-08 Pb-210 Pb-210 LLD VALUE ERROR uCi/Kg uCi/Kg uCi/Kg 1.0E-06 27-Auo-81 2.73E-03 5.0E-05 s.0E-08 7.10E-03 3.0E-04 1.0E-06 20-Oct-81 2.008-04 1.0E-05 5.0E-08 8.30E-04 5.08-05 1.08-06 15-Aor-82 1-04E-O4 9.0E-06 7.0E-06 6.40E-04 5.0E-05 4.0E-05 0'1-Jul-82 2.00E-05 1.0E-05 5.0E-08 2.20E-O4 9.0E-05 1.0E-07 30-Nov-82 2.36E-06 9.5E-07 1.08-06 8.00E-05 1.0E-05 1.0E-05 13-Aor-83 8.58E-05 1.4E-05 2.0E--08 3.53E-04 1.9E-05 1.0E-05 01-Jul-83 '1-1gE-04 1.1E-05 5.0E-06 1.58E-04 r.3E-05 1.0E-05 30-Jan-84 9.78E-05 7.0E-06 2.0E-06 2-15E-03 3.4E-O4 3.0E-04 28Jun-84 2-08E-04 1.0E-05 3.0E-09 1.60E-03 7.0E-05 3.0E-08 14-Nov-84 6.058-04 1.6E-04 2.08-07 2.58E-03 1.1E-04 3.0E-08 27-Mab85 1.10E-04 8.0E-06 3.0E-06 8-63E-04 4.2E-05 3.0E45 15-Jul-85 6.'r0E-05 6.0E-06 2.0E-06 5.40E-04 s.0E-05 5-0E-05 09-Oct-85 1.07E-04 6.0E-06 2.OE-O6 3.80E-04 3.0E-05 2.0E-05 24-Mar-86 8.86E-04 1.8E-05 2.0E-06 4.40E-03 't.9E-04 3.0E{5 10-Jul-86 6.66E-04 1-8E-05 3.08-06 4.78E-03 2.1E-04 6.0E-05 18-Dec-86 5.20E-04 1.0E-04 3.0E-06 1.70E-03 1.0E-04 6.0E-05 20-Apr-87 4.108-04 1.0E-04 5.0E-08 1-60E-03 1.0E-04 1.0E-06 05-Jun-87 1.60E-04 3.0E-05 5.0E-08 5.50E-04 4.0E-05 1.0E-06 Zz-Dec-87 3.608-04 5.0E-05 5.0E-08 1.80E-03 1.0E-04 1_OE-06 19'Aor-88 2.60E-04 5.0E-05 5.0E-08 1.90E-03 1.0E-04 1.0E-06 2&Jul-88 3.10E-05 1.9E-05 5.0E-08 1 -60E-04 4.0E-05 1.0E-06 07-Apr-89 6.20E-04 5.0E-05 1.70E-03 1.0E-04 06-Jun-89 3.40E-04 3.0E-05 7.40E-04 3.0E-05 07-Nov-89 5.10E-04 6.0E-05 7.0E-06 1.00E-03 7.0E-05 1_4E-05 17-Apr-90 3.60E-04 3.0E-05 4.0E-06 4_80E-04 2.0E-05 2_2E-45 2GJun-90 1.70E-O4 2.0E45 5.0E-08 3.20E-04 2.0E-05 1.0E-06 17-Oct-90 8.80E-05 1.6E-05 s.0E-08 2.908-04 2.0E-05 1.0E-06 10-Apr-91 3.00E-04 3-0E-05 5.0E-06 4.10E-04 2.0E-05 1.0E-06 1 1-Jun-91 3.10E-04 3.0E-0s 2.OE-07 4.70E-04 2.0E-05 2.0E-07 20-Nov-91 5.00E-04 4-0E-05 s.0E-08 1.50E-03 1.0E-04 l.0E-06 22-Aor-92 2.00E-05 8.0E-06 2.08-06 9.60E-05 1.48-O5 1.0E-05 10-Jun-92 6.50E-06 6.0E-06 2.0E-06 1.20E-O4 2.0E-05 1.0E-06 'lGJun-92 1.20E-04 4.OE-O5 3.0E-06 1.21E-03 8.0E-05 2.0E-0s 13-Aor-93 1.808-05 1.7E-05 3.0E-00 2.108-04 s.0E-05 2.0E-05 26-Jun-93 5.20E-05 1.9E-05 s.0E-06 1.70E-05 3.68-05 2.0E-05 12-Oct-93 5.10E-05 2.3E-05 3.0E-06 7.108-04 6.0E-05 2_0E-05 11-Mav-94 1.208-04 1.0E-0s 3.08-05 9.80E-04 1.6E-04 2.0E-M 'l$Jul-94 3.73E-05 1.6E-06 8.4E-0E 7.80E-05 7.1E-06 4.2-tr-07 28-Nov-94 2_40E-04 1.5E-05 1.7E-Ot 2.60E-04 1.3E-05 8.3E-07 11-Aor-95 8.40E-05 6.1E-06 1.5E-47 1.20E-O4 1_1E-05 7.5E-05 06-Jul-95 1.90E-05 1.sE-06 1.4e-07 4.50E-05 4.38-06 7.2847 ltNov-gs 1.20E-O4 6.8E-06 1.4E-07 1.00E-05 5.8E-06 7jE47 23-Aor-96 8.30E-05 3.3E-06 1.9E-07 6.80E-05 6.sE-06 't.8E-07 31-Jul-96 14-Nov-96 3.60E-05 2-5E-06 I 5E-O7 8.50E-05 5.6E-06 8.4E-07 2'l-Aor-97 3.30E-05 2.3E-06 1.7E-07 4.40E-05 4.8E-06 8.48-07 05-SeD-97 5.40E-06 3.5E-07 1.6E-07 3.20E-05 9.0E-07 7.8847 20-Nov-97 8.90E-06 7.2E-07 5.4E-O7 3.40E-04 6.7E-06 1.1E47 23-Mar-98 <9.20E{5 9.2E-05 9.28-05 <4.60E-04 4.6E-04 4.6E-04 1&Jun-98 < 6.50E-08 6.5E-08 6.5E-08 <3.20E-07 3.2E-O7 3.2-F-07 05-Nov-98 4.20E-O5 1.0E-06 't.1E-07 1^70E-04 1.0E-05 5.5E-07 15-Aor-99 6-20E-05 1.0E-06 1.0E-07 1.40E-04 7.0E-06 1.0E47 07-Jul-99 5.45E-05 1.4E-06 8.3E-08 9.20E-05 4.0E-06 4.2E-47 02-Dec-99 1..10E-04 3.0E-06 2.28-07 2.80E-05 1.OE-O6 1.1E-06 21-Aor00 3.70E-05 1.0E-06 2.4E-07 2.7oE-U 1.0E-05 1.2E46 22-Jun-00 2.90E-05 1.OE-06 3.3E-07 2.80E-04 2.0E-0s 1.7E{6 21-Dec-00 2.30E-06 1-4E-06 3.78-07 3.30E-04 s.0E-05 1.9E-06 30-ADr01 2.10E{5 1.0E-06 1.5E-07 <7.6847 N/A 7.5E{7 14-Jun-01 1.30E-06 4.08-08 1.2E-gt 1.80E-06 3.0E-08 5.9E-07 # OBSERVED 5.gE+01 5.9E+01 5.9f+01 5.9E+01 5.9E+01 5.9E+01 i4AXIMUM 2.73E-O3 1 64E{4 e.20E-05 7_10E-03 4.60E-04 4.60E-(X ,llEAN 2.09E-04 2.148-05 3.20E-06 7.97E-04 5.90E-05 2.55E45 ;TD. DEV.3.868-04 3.02E-05 1.24E-05 1.27E-03 8.64E-05 7.42E-05 '2nd quartet o, 1996 we were declared a disaster area due to drought, no samples were taken I I TABLE lll (Uont.) INTERNATIONAL URANIUM CORP. WHITE MESA MILL FORAGE RADIONUCLIDE DATA SOUTH WEST OF MILL T l' I :I I I I I SAMPLED DATE Ra-226 Ra-226 LLD VALUE ERROR uCi/Kg uCi/Kg uCi/Kg 5.0E'08 Pb-210 Pb-210 LLD VALUE ERROR uCi/Kg uCi/Kg uCilKg 1.0E-06 27-Atlo-8'l 9.50E-04 2.0E-05 5.0E-08 1.s08-04 1.0E-05 1.0E-06 21-Oct-81 3.00E-0s 3.0E-06 5.0E-08 1.50E-04 2.0E-05 1.08-06 15-Aor-82 1.37E-05 3.0E-06 3.0E-06 3.80E-04 4.0E-05 4 0E-O5 01-Jul-82 3.40E-04 2.0E-05 5.0E-08 3.68E-03 2.7E-04 1.0E-07 30-Nov-82 1.75E-05 3.0E-06 2.0E-06 7.92E-04 4.0E-06 2-0E-05 14-Aor83 7.13E-04 7.3E-05 9.08-08 2.51E43 3.0E-04 3.0E-04 0'l-Jul-83 5.39E-05 4.5E-06 2.0E-06 6.88E-04 4.3E-05 4.08-05 30-Jan-84 6-40E-05 7.0E-06 4 0E-O6 1.20E-03 1.0E-04 4.0E-05 28-Jun-84 8.27E-05 6.3E-3.0E-09 't 80E-03 t.0E-04 9.0E-06 14-Nov-84 2.72E-04 1.5E-04 2.0e-07 4.708-03 7.28-04 3_0E-07 27-Mar85 4.738-04 1.6E-07 t.0E-06 7.O7E-O4 3.6E-05 3.0E-05 15-Jul-85 6.60E{5 7.0E-06 4.0E-06 4.90E-04 3.0E-05 3.0E45 09-Oct-85 2.83E-04 2.0E-05 7.0E-06 1.50E-03 1.0E-04 7.0E-05 24-Mar-86 1.57E-04 1.0E-05 4.0E-06 4.14E-03 1.8E-04 3.0E-05 1O-.lrl-85 3.78E-04 1.0E-05 2.0E-06 1.55E-02 7.0E-04 't-oE-o4 18-Dec-86 2.60E-04 2.0E-05 2.0E-06 1.70E-03 1.0E-04 't.0E-04 20-Aor-87 4.10E-04 7.0E-05 s_0E-08 2.20E-O3 1.0E-04 1.0E-06 05-Jun-87 2.90E-04 4.0E-05 5.0E-08 7.50E-O4 5.0E-05 1.0E-06 22-Dec-87 1.80E-04 3.0E-05 5.0E-08 2.40E-03 1.08-04 1.0E-06 19-Aor-88 2.30E-04 5.0E-05 5.0E-08 2.90E-03 1.0E-04 1.0E-06 2E-Jul-68 1.50E-04 3.0E-05 5.0E-08 4.30E-03 2.0E-04 1-0E-06 07-Aor-89 3.10E-04 4.0E-05 4.20E-03 1.0E-04 06-Jun-89 1.30E-04 2.0E-05 1.50E-03 1.08-04 07-Nov-89 4.30E-04 5.0E-05 1.4E-05 3.50E-03 1.4E-2.7E-Os 2&Mar-90 2.50E-04 3.0E-05 5.0E-06 2.39E-03 s.0E-05 2.5E-05 13-Jun-90 1.10E-04 2.0E-0s 5.0E-08 6.60E-04 3.0E-05 1.0E-06 23-Oct90 6.10E-05 1.4E-05 5.0E-08 6.10E-04 3.0E-Os 1.0E46 '10-Aor-91 3.40E-05 '1.1E-05 s.0E-06 2.20E-O4 1.0E-05 1.0E-06 1 1-Jun-91 8.00E-05 6.0E-06 2.0E-07 1.208-04 1.0E-01 2.OE47 2G'Nov-91 6_50E-05 1.4E-05 5.0E-08 9.10E-04 i.0E-05 1.0E-06 22-Aot-92 1.60E-05 7.0E-06 2.0E-06 3.208-04 2.0E-05 1.0E-05 10-Jun-92 1 -90E-05 1.0E-05 2.0E-07 2.20E-04 2.0E-Os 1.0E-06 08-Dec-92 1.608-05 1.8E-05 3_0E-06 7.60E-04 6.0E-05 2.0E-05 13-ADr-93 2.60E-05 2.0E-05 3.0E-06 3.40E-04 3.0E-05 2.0E-05 27-Jun-93 3.00E-05 1.4E-05 3.0E-06 0.008+00 3.0E-05 2.0E-05 27-Oct93 3.10E-05 1.6E-05 s.0E-06 4.20E-04 6.0E-05 2.0E-05 01-Mav-94 2.008-05 5.0E-06 3.0E-0 3.90E-04 8.0E-05 2.0E-04 19-Jul-94 1-75E-05 1.7E-06 7.6E-08 1.30E-04 7.88-06 3.8E-07 16-Nov-94 1.00E-04 9.0E-06 't.5E-07 2.60E-04 1.2E-45 7.4E-07 0s-ADr-95 1 -70E-05 1.sE-06 1.6E47 1.60E-04 .sE-05 8.'tE-07 07-Jul-95 6.40E-06 6.0E-07 1.4E-07 4.40E-05 4.2E-06 7.0E-07 09-Nov-95 2.30E-05 2.2E-O6 1.7E47 6^60E-05 9.6E-06 8-3E-07 24-Aor-96 4.20E-05 2.2E46 1.7E-07 1.00E-04 6-7E-06 1.8E-07 31-Jul-96 14-Nov-96 2.10E-05 2.0E-06 1.6E-07 1.90E-04 7.3E-06 8.2847 2'l-Aor-97 5.50E-06 4.2E-O7 1.4E-O7 3.30E-05 3.9E-06 7.OE-O7 0$Seo-97 5.30E-06 3.2e-07 1.3E-07 1.90E-05 6.9E-07 6.3E-07 2O-Nov-97 2.50E-05 9.5E-07 5.S 1-30E-04 E-06 1.2E47 26-Mar-98 <7.90E-05 7.9E-05 7.9E-05 <3.90E-O4 3.9E-04 3.4 1&Jun-98 3.60E-07 1.4E-O7 3.3E-08 <1.7e-07 1.tE-Ot 1.7E-07 09-Nov-98 4.30E-05 1.0E-06 7.6E-06 2.50E-04 1.0E-05 3.8E-07 lSAor-99 2.40E-O5 1.0E-06 1.28-07 oE-04 8.0E-06 6.2E47 O7- ltrl-qq 2.23E-O5 8_6E-07 1.2E-07 2.30E-04 7.0E-06 5.9E-07 07-Dec-99 1.50E-04 3.08-06 2.0E-07 1.70E-05 1.0E-06 1.0E-05 21-Aor-OO 1.00E-04 2.0E-06 1.2E-1.10E-04 7.08-06 6.1E-07 22-Jun-00 1.30E-06 1.0E-07 2_4E-07 2.-04 1.0E-05 1.2E4 21-Dec-00 1.20E-06 9.0E-07 2.4E-O7 1.208-04 3.0E-05 1.2E-06 30-Aor-01 1.80846 1.08-07 l.7E-O1 <8.3E-07 NIA 8.3E-07 14-.ft1n-O1 2.60E-06 .07 9-9E-0E 1.108-06 2.0E-0 5.0E-07 # OBSERVED 5.9E+01 5.9E+01 5_9E+01 5.9E+01 5.9E+01 5.9E+01 \,lAXlMUM 9.50E-04 1.48E-04 7.90E-05 1.65E-02 7.20E-04 3.90E-04 UEAN 1.30E-04 1.66E-05 3.13E-06 1.23E-03 7.90E-05 2.64E-05 STD. DEV 1.83E-04 z.cJtr-uc 1.09E-05 2.38E-03 1.41E-04 6.85E-05 '2nd quarter of '1996 we were declared a disaster area due to drought, no samples were taken uCi/kg iil$!r|!rP:.rPooooooooa666oooooomrnmmmmmmm555555555 I I I t I I I I t I I T I T T T I I t r-t lxlal;l 3 I$l il13- o o (-o =I(o (- ol fI(o(o (- 0)) Io (-oa Io pooomIc)N foom IoN 9)oom Io N) bom Io(D uCi/kg s, ! !r'oooo<)ommm555lsNN 1.)oom IoN bom IoN o o a ) O o o (-c3 (o--t =0l?oo (-o:, Io oo I@(l) (-c (D o) B E rillrl ='rl i til a stil stll a ==o =oosl =aotr =(Doo:6g'-!d{ tct ='oo6' CL o c a. CLooo oo orio =o uGilkg lo!r5srr9)>lPoooooooooooooommmmmmmtrttrlloooooooNNNNNNN 9ro:-120TqnooON I I I I o El illtul d lil $ l$l CIlol 3l-l !, o- o o o a oa o a oo I @6) (-c oo) I' (D(o o(Do (o cl,(D!I(os Cc I(o{ =o?oo oooIoN Lo =I@ , Billing3 . Caspor. Glllctt. Holana. Rapld Clty ENERGY LABORATOBIES, INC, SHIPPING:2393 SALT CREEK HIGHWAY . CASPER, WY 82601 MAILING: PO. BOX 3258 . CASPER, WY 82602 E-mail: casper@energylab.com . FAx: (307) 234-1639 PHONE: (307) 235-0s15 . TOLL FREE: (888) 235-os1s LABORATORY ANALYSIS REPORT II{TERNATIONAL URANILIM (USA) CORPORATION Sample ID: Laboratory ID: Sample lVl:rtrix: Sanrple Date/Time: Date Received: Report Date: Northeast Are.r 01-33680-1 Vegetation 06/14/2A01 09:.A0 06fi8t2001 July 16, 2001 I ,. T', I l I' :l :t I I T Radiometric Method Reporting Limit Units Results Radium-226 ,roRa 903.0 9.9E-08 pCitKg 2.3 E-06 Radium Precision *0.2E-06 Lead-210 ,,,Pb NERHL.65.4 5.0E-0'l pCitKg 3.8 E-06 Lead Precision *0.2E-06 -lujott Z;:O t I I I Lrilr: r:\reponsrclicnrs200l\ilternational uranium_corp\solid\vegetatiotr\rc3368Gl.xls $P.r"."1 '.'' it.l i'r lii i!fl :1 l\ - r'r- .\ ,1 ^: i.r it :: :: .. -) i t'.J ) ' COMPLETE ANALYTICAL I I /4*flgifia'd Billings . Ca!per. Glll.tl. Helena. Rapld Clty ENERGY LABORATORIES, INC. SHIPPING:2393 SALT CREEK HIGHWAY . CASPER, WY 82601 MAILING: PO. BOX 3258 . CASPER, wY 82602 E-mail: casper@energylab.com . FA* (307) 234-1639 PHONE: (307) 235-0s15 . TOLL FREE: (888) 235-0515I I :i l'' T I I I LABORATORY ANALYSIS REPORT INTERNATIONAL UMNIUM (USA) CORPORATION Sample ID: Laboratory ID: Sample Matrix: Sample Date/Time: Date Received: Report Date: Northryest Area 01-33680-2 Vegetation 061tr41200108:15 a6lL8t2A07 July 16, 2001 Radiometric Method Reporting Limit Units Results Radium-226 ,roRa 903.0 t.2E-07 pCilKg 1.3 E-06 Radium Precision t 0.04 E-06 Lead.-210 zroPb NERHL-65-4 5.98-07 p.CilKg 1.8 E-06 Lead Precision *0.03 E-06t t I :: l, t Ir I T t' I,, lmh: r:\reports\clients200l\imernadonal_uranium_corp\solidWegearion\rc33680-l.xls Tl,l,C;ll,li ::i' P'\tl[ ]i0' GoMPLETE AilALYTICAL sERvlcEs ;l r ,l j ,10 . j : ; t I I t Blllings. Ca!P6r' Gllt.tl. 1161e66. gepld Clty ENEBGY LABORATORIES, INC. SHIPPING:2393 SALT CREEK HIGHWAY ' CASPER' WY 82601 MAILING: PO. BOX 3258 . CASPER, wY 82602 E-mail: casper@energylab.com . FAX: (307) 234'1639 PHONE: (307) 235-0515 . TOLL FBEE: (888) 235-0515 I t :.' l, , LABORATORY ANALYSIS REPORT INTERNATIONAL URAMUM (USA) CORPORATION Sample lD: Laboratory lD: Sample Matrix: Sample DateTime: Date Received: Report Date: Southwest Aresa 0r-33680-3 Vegetation 0611412A0107t30 06118t2001 July,lf, t961 Radiometric Method Reporting Limit Units Results Radium-226 -oRa 903.0 9.9E-08 p.CilKe 2.68-06 Radium Precision t 0.2E-06 t I t I T l, t f' I I l' I. lmh: r:\repofls\clients200l\in(ernational_umnium_corp\olid\vegetation\rc3368Gl.xls r,1,,::::i;:.. .:_:. n\cE ii0. corpLETE ANALyTtcAL SERVTGES:l '-i .i ''- 3 I s :,t I l] 1., Lead-210 rruPb NERHL-65-4 5.0E-07 p.CilKg 1.1 E-06 Lead Precision *0.m E-06 I l t I I l' :l I T I I ffi%{ Relative Percent Differencel oi"3iCiiuj' Spike Recovery (Percent)2 'ot-izgz3;-2 Method BIank (rCilKg) ,xAr'lro,, LCS Recovery (Percent) Date Analyzed Analyst RADIOCI{EIVIICAL QUALITY ASSIJRANCE REPORT INTERNATIONAL TJRANTT'M CORPORATION Laboratory ID Range: Sample Matrix: Sample Date: . Date Received: Report Date: 01-3368G.1-3 Vegetation 06114t200t 06t18t2001 JuIy 16, 2001 Laboratory #: Radium-226: Laboratory #: Lead-2102 Digestion: (l) Thes yalues are an assessment ofanalytical precisiorL The accepiance lange is G20% fo. sample resulB above l0 dmes rhe reporting limit. This range is not applicable to smples with results below I0 times the repofting limit. (2) These values are an assessment ofanalytical accuracy. They arc a percent recovery ofthe spike addition. ELI perfoms a matrix spike on l0 percent of all samples for each analytical rnethod. Imh: r:\repons\clients200l\intemrional_uruium_cory\slid\vcgetarion\qa\rc33680-l-3.xls NERHL-654 I o.o I itl I tos | <detect |07tt0D@t I db T ; I I TR;t'Iiiiif [ ;l]. P,'\GE ii0. l3iriitil0,:r1ii5 /'a; .4- - ,/c)/t(,,- i /22 - -./ - - / " -.r--zd/'.d u-Yr Ellllngs. Carpor. Glll.tt! Helana. Brpld Clty ENEBGY LABORATOBIES, INC. SHIPPING:2393 SALT CREEK HIGHWAY . CASPER, WY 82601 MAILING: P,O. BOX 3258 ' CASPEFI, WY 82602 E-mail: casper@anergylab.com . FAX: (307) 234-1639 PHONE: (307) 235-0s15 . TOLL FREE: (888) 23s-0s15 . I,ABORATORY ANALYSIS REPORT INTERNATIONAL I.IRANII]M ruSA) CORPORATION Sample ID: Laboratory ID: Sample Matrix: l, i Date Received: Report Date: NE Forage @arly Spring'01) 01-3257s-l Vegetation 04130/200l 14:05 05/03/200I June 3,,20t01 Radiometric Method Reporting Limit Units Results Radium-226 ,r?a 903.0 2.48-07 pCi[('g 1.0E-06 Radium Precision *0.1E-06 Lrfi: r:\repons\clietrts2001\ilternatiotral-umnium_corp\solidWegetatioil\rc32t5-l.xls t I' I I : I' t I 't'I t li I T t., I. I Ir T l, :I l' Ti?,^,Ci{iii! ij0. P;\5I H0. 32575R0i1 002 Lead-210 ,,,Pb NERI{L.65-4 1.28-06 pCilKg <t.28-06 Lead Precision *N/A COUPLETE ANALYTICAL SERVIGES I T. l J.lY9i., Biltlng! . Ce!por. Glll.tt. Helena. Hapld Clly ENEBGY LABORATORIES, INC. SHIPPING:2393 SALT CREEK HIGHWAY . CASPEB. WY 82601 MAILING: PO. BOX 3258 . CASPER, wY 82602 E-mail: casper@energgab.com . FAX: (307) 23tr.-1639 PHONE: (307) 23s-0s1s . TOLL FBEE: (888) 23s-0s15 t t' I LABORATORY ANALYSIS REPORT INTERNATIONAL IiRAMIJIVI (USA) CORPORATION Laboratory ID: Sample Date/Time: Date Received: Report Date: NW Forage (Early Spring '01) 0t-32s75-2 Vegetation 041301200114:29 05t43n001 June 3; 2fi)1 Radiometric Method Reporting Limit Units Results Radium-226 -oRa 903.0 r.5E-07 p.CilKg 2.tE-05 Radium Precision *0.lE-05 I :.: l' I li a I 'i I :" t, I t T t I lmh: r:\reports\clients200l\inrermaional urmium_corp\solid\vegetation\rc32575-l.xls TRACIiiiii iI,. PAGE }.i0. 32575R0n003 Lead-ZlA ,,,Pb NERHL.654 7.6E-07 p.CrlKg <7.68-07 Lead Precision *N/A COiIPLETE ANALYTICAL SERVICES I T g*ai ENEHGY LABOBATORIES, INC. SHIPPING:2393 SALT CBEEK HlcHwAY . CASPER, wY 82601 MAILING: P.O. BOX 3258 . CASPER, WY 82602 ffi;E-mail:casper@energylab.com.FM:(307)234.1639 - - ielena.nipraclry PHONE: (307) 235-0515 . TOLL FREE: (888) 23s-051s II' LABORATORY ANALYSIS REPORT INTERNATIONAL T]RAMUM (USA) CORPORATION Sample ID: Laboratory ID: Sample Matrix: Sample DateTime: Date Received: Report Date: SW Forage (Early Spring r01) 01.32575-3 Yegetation 041301200114:54 05t0312001 June 3i,2001 Radiometric Method Reporting Limit Units Results Radium-226 ,roRa 903.0 t.7E-07 pCilKg 1.8E-06 Radium Precision *0.1E-06 I r.jl' I l' T t I I l_ T' I Ir I Imh: r:\reports\clients20ol\intermtional uranium-corp\solid\vegetadon\rc32575-l.xls T t I rRACiiiil[ il0. P,\Gi H0. COTPLETE ANALYTIGAL SERVICE8 3?SJ5ROTDOiI Lead-210 rruPb NERHL-654 8.3E-07 p.CilKe <8.38-W Lead Precision *N/A I I I I I t I w Method Relative Percent I)ifferencel .i. Oi"liZ2l+.;.:,:,:.:i Spike Recovery (Percent)2 O{:y:iig,i',I'::,',::,;::;:::,,,. LCS Recovery (Percent) Method Blank Date (rCiiKg) Analyzed :RA"|ir,1lr.,r,:ij.i. '; .,,l.;..,......i.:.:,I,:,:.r,:',. .., Analyst LaboratoryIDRange:,: : : i SampleMatrix: .. . SampleD"te, ....,,,,:: DateReceived: ', ', ',''. Report Date: . RADIOCIIEMICAL QU,TITY ASSURANCE REPORT : If T-ERliArIONAr r{R4ryIUM c oRPORATION ,,01.32s75-1-3 Veeetation a4/30t200t :05t03l20a1 , Jure,3,' 200I T Laboratory #: Radium-226: Laboratory #: Lead-210: Digestion: |see note (3). 903.0 I o.o I gg I ta | <detect l}stzltzmt I rs :;ill.UniiS:.::::.liitt],i!:i ii:rtr:ri Gmfi s'i!.r:r:i :ilr:,. T I t I T I sw3050 Il.laILiterlvaried 0Y08nW1 I rcb (l) Thesevaluesareanssessmeilofanalyticalprecision. TheacceptanceraogeisG20%Forsarnpleresultsabovel0dmes rhe reporting limit. This range is nor applicable to samples wirh results below 10 tirnes fte reporting limit. (2) These values ar€ an assessment ofanalytical accuncy. They are a percena r*overy ofthe spike addition. ELI performs a maarix spike on 10 percent of all samples for each analytical method. (3) These values ue an assessment ofanalytical precision. The accepance mge is G2 for sample resulB belov l0 times the reponing limil. This mnge is not applicable to samples with resutts above 10 times UIe reponing limit. lmh: r:\cporc\clienE200l\itrrcmtiooal-uEoium_corp\plidwcgehtioo\qa\rc32575-l-3.xls T t TRACiiIi!-1 ii0. PAGE NO. 32575R0i_r{:i 05 EI\VIROI\MEI\TAL AIR MOl\ITORTI\G RESTiLTS FOR THE PERTOI) OF JAI\UARY 1,2001 THROUGH JUi\E 3 0,2001 I t" I T T l* rAOLE [/ INTERNATIONAL UPANIUM CORPORA'IOII WHITE IIESA IJILL A'!{8IENT AIR RAOIO}IUCLIOE PARTICULATES uCi/d Locanon:::::BHVrt: rl I ' T; I I 'I ;. I l T T l. 28-Sep-81 14-Dec-81 z*Mat-82 30-Jun-82 27-Seg-82 3-Jan-83 .l-Apr-83 30-Juo-83 3-Ocl-83 $Jan-84 2-APt-84 2-Jul-84 'l-Oc!84 2-Jan-85 1-Apr-85 1-Jul-85 30-Seo-85 2-Jan-86 l.Apr-86 30-Jun-86 27.Od-A6 15oec-86 lAMar-87 1'l-May-87 $Sep-87 2-Nov-87 16-Feb-88 1&May-80 lAAW-88 1+Nov-88 13+eb-Bg 1SMay.89 14-Auo-89 13-Nov-89 12-Feb-90 14-May-90 . .i:Aug-go \ov-90 Fes91 1$May-9r l2-Au0-91 '11-Nov-g1 1GFeF92 I 1-May-92 10-Aug-92 o+Nov-92 09.Fetr93 10-May-93 1 0-Au993 08-Nov-93 07-Feb-g4 09May-9,1 o$Aug-94 07-Nw-94 07-Feb-95 O$May-95 0$Aus-95 1 1-Nov-95 oSFeb-96 0&May-96 0SAug-96 0e Nov-96 06-FeE97 0tMay.97 1'l-Aug-97 0tJar98 2&Apr-98 31-Jul-98 2&Sep-98 2&Oec-98 2$Mar-99 03-Jul-99 27-SeF99 28-Oec-99 27 -Mat-00 2&Jun-00 26-5eF00 2SOec-00 2&Mar-01 2.&rE- 1,t 2.09E-14 2.14E-1.t 1.99E-14 4.87E-14 1.88E-14 2.00E-1.t 1.06EJ4 3 3E-14 r.88E-14 t.85E-'t4 3-03E-14 8.06E-15 2.15E-14 3.64E-15 5.0s26E-16 1-4t(N2E-14 1.23E-14 1.08E.14 r.37E-14 5.59E.r4 1.45E-14 3.14E-14 2-79E-14 4.0'lE-14 1.078-14 1.62E-t4 2.47e-l4 3-238-14 6.16E-15 7.658 15 1.89E-14 2.578-14 1.79E 14 8.27E-r5 2.168-r4 3.79E-r4 1-46E-14 r.80E-r4 1.068-14 3.51E-l4 1.38E-14 't.53E-14 1.86E-r4 2.52E-14 1.26E-14 '1.60E-14 1.57E-14 2.598-14 ,.608-14 2.00E-15 2.00E-15 8.60E-15 3.84E-r5 3,768-r5 5.20E-15 4.20E-15 7.03E-15 5.948-r5 t22e-t4 5.688.15 4.39E-15 5.29E 15 4.73E-r5 594E-'15 4.64E r5 1.06E-14 6.698-15 6-44E-t5 7.29E.r5 6.19E-r5 6.23E-15 4.50E-15 8_55E-15 7.77E-',15 7.19E-r5 2.76E-15 3.60E-15 2.70E-15 1.00E.15 2.008-15 1.99E-t5 1.69E-15 1..t0E-15 1.39E.15 ,.17E-15 8.99E-16 6.61E-16 3.22033E-16 4.06E.16 6.01E-,t6 2E-16 2E.'r6 't.008-15 3.00E-16 5.00E-16 1.00E-15 2.@E.r6 1.00E-16 3.00E-16 1.00E.r6 2.36E-18 1.00E-16 . ,.00E-16 3.008-16 3.00E-'16 3.008-16 2.00E-r6 4.00E-16 't.00E-r5 '1.00E-15 3.00En6 2.00e-r6 6.00E-17 2.00E-16 2.008-15 2-00E-l 6 4.00E-16 2.00E-16 2.00E-r6 3.00E 16 5.00E.16 3.00E-16 1.90E-'t6 7.61E-17 3.76E-16 2.058.16 2.68E'r6 2.40E-16 3.04E-r6 5.548 16 3.05E-r6 4.53E-16 2.85E-16 2.968-16 2.84E-16 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GROSS LLD % :OllC uci/.. r1F-161 MPa THORIUM. 230 GROSS COUNIING LLD %aaNa ',ail.- GROSS COUNTING LLO % anNe 'ri/.. FRROR {1E-r6l lllPc LTAO 210 CONC lcilcc ERROR nF-r6r I tJ-Dec-8 I 21-Mera: I 3o-Jun-8i | 2I.sep-s: I 3'Jan-83 {-Apr,83 30-Jun-8: 3-Oct-83 3-Jao-84 2-Agt-84 2-Jvr84 1-OcLB.1 2-Jan-85 1-Apr-85 1.Jul-85 30-Sep-85 2-Jan-86 1.Apr-86 30"Jun-86 27-Oc186 ,tOec-86 16-Mar-87 1 1-May-87 $setr87 2.Nov-87 16-Feb-88 1&May"88 't$Auo-88 1,1-Nw-88 I 3..Feb-89 ItMay-89 14-Aug-89 1$Nov-89 12-FeE90 'l +May-90 'llAug-go ,12-Nov-90 FeLg1 May-S1 '2-Aus-911'l-Nov-g1 1GFeE92 't1-May-92 10-Aug-92 09Nov-92 09-Feb.93 lGMay-93 10-Aus-93 08-Nov-93 07.Feb-94 09"May-94 o$Aug.94 07-Nov-94 07-Fetr95 0sMay-95 09Aug-95 I 1-Nov-95 oSeE96 0AMaf96 o$Aug-96 0&Nw-96 06Fetr97 otMay-97 1 1-Aug-97 otJ+98 28-Apr-98 31-Jul-98 2&Sep-96 2&Oec-98 2$Mar-99 03-Jul-99 27.Setr99 2&Oec-99 2&Mar-00 26.Jun-00 26.Setr00 2GDec-00 26-Ma,-01 1 74E-15 1E-16 1.598-15 1E-16 3.76E-r6 SE-16 3.83E-16 5E-17 5.95E-16 1E-16 2.05E-16 5E-17 Lost in Lab 3.06E-16 1E-16r.91E-16 1E-16 3.01E-t6 1E-l6 8.22E-16 5e-175-29E-r6 5E-17 1.74e-16 5E-17r.00E-17 5E-16 0.00E+00 5E-17 1.04E-16 5E-17 0.00E+00 5E-16 1_03E-15 1E-15 8.04E-16 ?E-184.29e.16 2E-176.45E-r6 1E-18 1.31E-16 3E-18 2_01E-16 3E.18 2.164-16 4E-18 2.41E-16 2E-17 2.44E-16 4E-17 8.08E.16 6E-'t8 1.14E-16 3E,18 2.08E-16 3E-r8 4.21E-16 3E-18 4.45E-16 4e-17 '.05E-16 1E-181.3rE-r6 2e-18 1.67E-16 2e-17 4.43E-'r6 3E-183.84E-r6 1E.16 7.27E-17 1E-'t6 1_84E-16 1E-16 4.66E-17 1E-16 5.05E-17 1E-16 7.14E-17 1E-16 t.41E.'17 1E-l68.12e-17 't E- 16 9.18E.17 1E-16 2.008-18 26-',t8 4.00E-17 3a-21 7.54E-17 1E-22 1.60E-17 3E-22 6.00E-17 2e-18 0.00E+00 2E-1a 1.6rE-16 2E-16 2.77e-16 2E-177.39e-17 1E-16 9.05E-17 1E-16 7.99E-17 1E-16 9.40E-17 1e-167.30E-r7 ,E-16 3.03E-16 3.34E-i6 I I 2.21E-16 2.85E-16 3.03E-16 3.348.16 2.21e-16 2.85E-16 3.03E-16 3.34E-r6 2.21e-16 2.85E-r6 3.038-16 3.34E.16 2.21E.ld 2.85E-16 3.038-16 3.348-16 2.21e-16 2.85E-16 3-03E-18 3.34E-16 2.218-16 3 i3Eii z.szs.os ] 7 66E-03 I ,. rse-oz II r0E.03 | 6.12E-03 I : gze*: I o.oze-os I r.one-oz I r.06E-02 I 3.18E.03 I z.ooe-oa I o ooE.oo I 2.08E-03 I o.ooe<o I 2 06E.02 I r.orE-oz I a.saeoe I 1.29e-O2 I z azr,m I l.ozs-os I 4 32E.03 I 4 82E-m I l.aer-os I r.oze-oz I 2.28E-03 I I toe-o: I g lzr-o: I a.soe-or I 2. '0E-03 I z.oze-os I s.sse.oo I a.aoe-oo I 7.68E-03 I r rse+r I 3 68E{3 I s sze,ol I r.ore-os I t l:E-oa I z.aze-on I r.62E{3 I r.e+e-os I l ooeos I g.ooe-ol I r.sse.or I 3.20E-04 I r.zoe-os I 0-00E+0o I z.oae.or I 4.628-01 I r.zre-or I r.srE-or I r::e-or I r.sze-or I t zze-or I I I I I I I I I I I I I I 1 E-16 1 E-16 3E-15 6E-17 2e-17 5E-17 6E-18 1 E-16 8E-16 4e-17 7E-17 7E-17 4E-r6 7e-17 4E-l 5 6E-18 1e-17 2E-18 2e-17 5E-18 4E-18 2e-16 4E-r8 2E-17 1E-17 1e-17 1E-17 1 E-16 7E-1A 9E-18 3E-18 7E-18 1 E-16 1E-16 I E-16 1E-'16 't E-'t6 2E-17 2e-17 2E-19 4E-r8 4E.1E 4E-18 4E-18 4E-r8 4E-18 4E-r8 4E-17 1 E-16 1E-1 6 1E-16 1 E-16 r E-16 1.68E-0' 1.75E-01 7.20E-02 4.B0E-0r 4.10E-02 2.31E-02 3.20E-02 't.02E{, 2.51E,01 2.06E-01 2.37e-02 2.37E-02 9.20E-02 0.00E+00 3.34E-01 r.06E-01 6.42E-03 5.89E-02 3.30E-02 0.00E+00 4.00E-02 6.53E-02 7.27E-02 7.73E 02 8.50E-02 1.38E-02 1.02E-01 9.77E-02 1.598-02 0.00E+00 1.95E42 1.29E42 0.00E+0O 8.47E-02 9.57E-02 4.47e-02 2.03E-01 2.47e{2 2.07E42 7.30E-04 7.83E-O3 ,.93E-02 1.408-02 8.93E-03 0.00E+00 't.69E-02 2.00E-03 0.00E+00 0.00E+00 9.33E-02 3.33E-01 3.:BE-01 3 20E-01 3.27E-01 3.078-01 r.30E-16 4.08E-r6 1.41E-15 5.36E-16 'r.10E-16 6.'t 1E- 17 2.088-1 6 2.79E-16 0.00Ei00 1.408-16 0.00E+00 7.808-17 4.','OE-17 0.00E+00 0.@E+00 't.25E-16 1.54E-1 6 2.83E-16 4.16E.r5 4.16E-17 5_73E-17 7.38E t7 3.528-17 2.37e-l7 3.42E-16 0.00E+00 3.65E-17 1.09E-16 2.47e-l7 2.45E-17 3.978-17 8-038-17 3.50E-17 1.028-r6 1.218-17 8.53E-17 1.94E-17 7.00E-18 7.95e.17 2.75E-17 2.76E-14 3.368-17 2.00E-18 1.O7E-17 1.09E-16 7.64E-17 0.00E+00 0.00E+00 2.22E-16 8.37E-18 1.14E.16 1.00E-16 9.60E-17 8.60E-17 4.40e.17 6.21E-17 1.12E-16 1.758-1 6 3.75E-16 6.21e-17 1.12E.r6 3.75E-r6 6.21E 17 L12E-16 1.75E-1 6 3.75E-16 6.21E-'tl '1.1 28.16 ,.75E.16 3.758.r6 6.21e.17 1.12e-16 '1.758-1 6 3.75E-16 6.21e"17 1.12E-16 1 75F-16 1..14E-02 s soe-o: I z oae-oz I z.ose.oz I 2.6sE.02 | 5 5oE-03 I r oosor I r ore-oz I r ooe-oz I 0.00E*00 I z.ooe-os I z ooe.os I 0 cOE+00 I : soe-og I z 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I 74 J iO NA NA I l. T t I l, T li I l' I I PERIOO LLD (1 E-16)MPC GROSS CONC uci/cc ,HOHIUM. 23U GROSS COUNTING LLO % CONC. uci/cc ERROR (,E-16) MPC RAOIUM.226 GROSS COUNTING LLD aa^la ,,ar-. 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s.ue-tz | 5.s38- r 6 ) I 6 28E,15I : e:e-roI s.ooe-,0I : aae-r5I r.rr e-r s I a21F-16I l saa-roI zt.esaI a mr-ro I z.rse-rs r I 3.83E-15I t.srr.r+ I r.ose-rl I l.6oE-14 t 1 17F-t1I o-zre.rsI a.rsr.rsI s3ap-rsI z.zoe-rsI s.gse.rsI z.lse-rsI s:re-rsI t lne-fiI tzoe-sI s.soe.roI s.zoe,rsI r.are-rlI tzse-u I r.sse-r+ I 3278-15I s.sae.rsI z.sre'toI a ue-rsI l lze-reI r.szr-roI aosp-tzI e.sre-rz I r.ose-roI 1.oBE-r6I e:re-rz I r.zoe-rs | 2.r0E-16 I 7 ME.17I s rae-roI r roE-tsI a.sse.roI r-ooe-rsI s.zoe-rzI : me-rsI s.soe.rsI z.ose.rsI z.ose-rqI s.sse-roI z lse-reI s sse-roI r.aze-rsI soze-ro I s.ose-ro | 6.21E-16 I 1.72E-15 I a 3ae-roI o.:ze-roI l.sse-rsI z ese-rsI s sze-roI z.sse-,sI : sse-rsI r mp-rsI r orp-rsI e ore-reI o-aae-roI r ase-roI .t ooe-ts as oer I T Period: March 26,2001 through June 25,2001 (2nd Quarter 2001)Page I BHV-1 on stream % Filler Starl BHV-z on slream % Filter Start 80.3% Stop Stop Time BHV.1 Starl BHV.2 Start TotalVolume: .1.01E+06 Tolal Tolal Loading,Per Cent On Stream Stop T I 1 2 J 4 6 o 7 I 9 10 tt 12 13 I I I T' I I I T I Week Stop TotalVolume: 4.47E+06 Total Loading, Per Cent Gross Tare Total Time Week 95.0% Stop 99.3% Stop BHV.4 Start 8HV.5 Start Time BHV-4 on stream 7o Filter Start Stop TotalVolume: 4.70E+06 Total Tolal Loading, Per Cent BHV-s on stream % Filter S TotalVolume Total Lite6 4.96Ef06 Loading,Per Cent On Stream Week 1 J 4 6 6 Stop Time Total T o 10 11 12 Number Gross lare Net Time Time Time On ? 3 4 5 b 7 8 I 10 11 12 13 7032640 7032634 70326?7 7032621 7032615 7032609 7032603 7130992 7130991 7130985 7130979 7130973 7130967 26-Mar-0 05-Apr-0 l8-Apr-0 23-Apr-0 30-Apr-0 07-May-0 1.1-May-0 2l -May-0 28-May-0 05-Jun-0 I I I -Jun-0 I l8-Jun-0 I 25-Jun-0 I 05-Apr-0 I 8-Apr-0 23-Apr-0 30-Apr-0 07-ivlay-0 l.l-May.Q 2l-May-0 28-May-0 05-Jun-O I I l-iun-0 I I 8-Jur-0 ! 25-Jun-0 I 02-Jul-O t 4.4102 4.4776 4.5855 4.4900 4.506s 4.5639 4.4720 c-oJ/b 4.6284 4.6474 4.6409 4.6933 4 5467 4.3446 4.3389 4.3442 4.3360 4.3526 4.3629 4.3421 4.4440 4.4463 4.4395 4.4460 4.4805 4 44?9 0.0656 0.1387 0.2413 0.1540 0.1 539 0_?010 0.1299 0-1936 0.1821 0.2079 0.1949 0.2128 n {r?A 38580.2 39187.9 46615.3 5665 1.9 66922.7 76971.4 86830.7 98069.5 105274.4 15234.4 25264.7 35339.4 45379 I 321 38580.2 391 87.9 4661 5.3 56651.9 66922.7 76971.4 86830.7 98069.5 5274.4 15230.4 25264.7 35339.4 19.6 6460.6 607.7 7427.4 10036.6 10?70.8 1 0048.7 9859.3 1 1238.8 7?04.9 9956.0 r0034,3 10074.7 rno40 5 6,567.683 617.773 7,550.508 10,1 17,693 10,353,786 10.129,891 9,938,961 1 1.329.607 7,120,300 9.839,096 9,916.477 9,956,402 9.922.604 0.0100 0.2?45 0.0320 0.0152 0.0'149 0.0198 0_0131 0.0't 71 0.0256 0.0211 0.0197 0.4214 0.0145 3.2% 103.20/o 99.67" 101.99i" 99.7% 97.8% 't11.5% 62.5% 115.2% 99.5% 99.97, 99.6% 35.9 3s.9 35.9 35.6 35.6 356 35.6 35.6 34.9 34.9 34.9 34.9 fotals 98 2352.O 4.56461 4 393885 o.1707 1 13ZbU.J 1 1:l :tfn /8t)o 0345 8 t tt"/6 35.{ 14,940,295 17,442,391 8,682,972 10,077,874 10,271,728 10,277,776 9,882,407 1 1,329,708 8,554,460 9,943,160 9,917,762 3.636.987 26-Mar-O1 05-Apr-01 18-Apr-01 23-Apr-01 30-Apr-0'1 07-May-01 14-May-01 21-May41 28-May-01 05-Jun-01 1 1-Jun-o1 '18-Jun-01 25-Jun-01 # Number Gross f are Net Time Time Time 1 2 3 4 5 b 7 8 Y 10 11 12 7032638 7032632 7032625 7032619 7032613 7032607 7032601 7 130994 7130989 7130983 7030977 7130971 7130965 26-Mar-01 05-Apr{1 16-Apr-01 23-Apr01 01-May-01 07-May{1 14-May-01 21-May-o1 28-May{1 05-Jun-0 1 1 1-Jun-o1 1 8-Jun-01 25-Jun-01 05-Apr{1 16-Apr-01 2$Apr{l 01-May41 07-May{1 14-May-o1 21-May01 28-May{1 05-Jun{1 10-Jun-O1 18-Jun{1 25-Jun{1 02-Jul-01 4.4478 4.7234 4.6914 4.4726 4.5009 4.5452 4.4736 4.6203 4.6159 4.6024 4.6524 4.6423 4 5744 4.3616 4.3571 4.3623 4.3074 4.3840 4.3592 4.3618 4.4563 4.4490 4.4341 4.4746 4.4551 4 4392 0.0862 0.3663 0.3291 0.1652 0-1 169 0.1860 0.1118 0.1640 0.1669 0.1683 0.1778 0.1872 o 1352 44507.2 60109.4 70308.8 81978.1 90714.8 1A0687.2 10531.4 21755.5 30388.9 4U97.2 50931.1 60608.4 7n7A( O JU404.6 44507.2 60109.4 70308-8 81 978-l 90714.8 687.2 10531.4 21755.5 30388.9 40497.2 50531. 1 60608.4 6042.4 15602.2 10199.4 1 1669.3 8736.7 9972-4 9844.2 11224.1 8633.4 10108.3 10433.9 't0077.3 1ot57 5 6,142,552 15,860,803 10,368,453 11.763.585 8,807,290 10,052,975 9,923,739 11,314,788 8,532,026 9,989,608 10,31 1,385 9,958.972 r0.038.230 0.0140 0.0231 0.0317 0.0140 0.0133 0.0185 0.0113 0.0145 0.0196 0.0168 0.0172 0.0'r88 n n116 4Z-9-h 98.5% 't01.2% 101.3% 101.10/. 98.90/o 97.7% 1'.|1.4% 74.9% 140.4% 103.5% '100.0% 100.80/" 35.9 35.9 35,9 35.6 35_6 35.6 .15 b 35.6 34.9 34-9 34.9 349 34,9 Totals 98 2352.O 4.58173t 4.400131 u.1 6t b 13270',1.1 '133.064.406 o o174 97.8o/o 354 15,847,893 10,373,028 10,180,497 10.402,980 9,3s8,408 9,916,985 1 1.314,385 8,547,147 9,978.93s 9,916,675 9,955,513 703263',1 7032624 7032618 7032612 7032606 7131000 7130995 7130988 7130982 7130976 7130970 71309641 t I I Period: March 26, 2001 through June 25,2001 (2nd euarter 2001)Page 2 BHV-6 on steam o/o Filter Start ALL BHV on stream % Start 963% Stop Total Volume: 4.82E+06 Total Total Loading, Per Cent I l' I l' I Week 91.9% Slop T I I I ,j L t I. t I T' I ? 4 5 6 7 I o 10 11 12 13 02-Apr-01 16-Apr-01 23-Apt-01 01-May{1 07-May-01 14-May-01 21-May41 28-May-01 05-Jun-01 1 1-Jun-01 18-Jun-o1 25-Jun-01 0.1049 0.4951 0.3280 0.1250 0.1211 0.1 904 o.1429 0.1 295 0.1460 0.1984 0.1806 0.2152 10.338.362 20,306,082 10,371,808 7,744,976 8,783,096 9,330,181 9,930,896 1 1 ,314.'183 8,558.017 9,971,424 9.917,762 9.953,734 Date Date 1 2 3 4 5 6 7 8 I 10 11 t2 tuJzaz9 7032622 7032616 7032610 7032604 71 30998 7130997 7130986 7130980 7130974 7130968 7130962 7130956 26-Mar{1 05-Apr-01 16-Apr-01 23-Apr{ l 3O-Apr-01 O7-May{1 14-May-01 21-May-O1 28-May41 05-Jun-01 11-Jun{'l 18-Jun-01 25-Jun-O1 05-Apr-01 18-Apr-01 23-Apr-01 30-Apr41 07-May-01 14-May{1 21-May-01 28-May-o1 05-Jun{1 1 l-Jun-01 18-Jun-01 25-Jun4 l 02-Jul-01 4.3504 4.3400 4.3638 4.3839 4.3862 4.4639 4.4822 4.4550 4.4662 4.4629 4.4260 4.4716 4.4625 Totals 98 2352.O 4.4242 I Period: December 27,2000 through March 26,2001 (lstQuarter2OOl) BHV- l on stream 70 100.0% StopWeek Filter Slop Page 1 BHV.T Start BHV.z Start BHV.4 Stop Start Stop BHV.5 Start Total Volume: 4.66E+06 Total Total Loading.Per Cent On Slream I t I I I : I BHV-2 on stream % Week Filter BHV-4 on stream % Week Filter BHV-s on stream % Week Filter 100.0% Stop 100.7% Stop 93.1% Stop Stop Total Volume: 4.66E+06 Total Total Loading,Per Cenl On Stream I I I I I I Total Volume: 4.74E+06 Total Total Loading, Percent Total TotalVolume: 4.39E+06 Total Loading, PerCent ' Number Date Tare Net Time Time Time-Lllel9 On a l J 5 6 7 3 9 l0 ll l? tl 710241lJ 7032112 1012406 7oJ?700 7032694 7012688 '7012682 7072676 7032670 7032661 7012658 7032652 70\2616 l8-Dec-( 0l-Jan-0 08-Jan-0 I 5-Jan-0 22-Jan-} 29-Jan-0 05-Feb-0 I2-Feb-0 l9-Feb-0 03-Mar-0 05-Mar-0 ll-Mar0 l9-Mar-0 l-Jan-01 8-Jan-01 l5-Jan-o I 22-lan-Al 29-Jan-01 5-Fcb-0 I I 2-Feb-O I I 9-Feb-0 t 3.Mar-01 5-Mar-01 ll-Mar-01 l9-Mrr-01 2(FMrr-01 t.{969 .1.'1t79 .r.3709 4.1226 4.4385 4..1590 4.5757 4..1t 35 ,r.1559 4.3722 1.4307 4.5013 4..1585 l.l0l2 1.33'79 ,r.2878 +.3456 t-3679 .1,39.11 +.38 r 5 .t.3160 r.l t05 .1.3.178 4.1529 J.3969 1.3771 0.0951 0.0800 0.081 I 0.0770 0.0706 0.0647 0.1942 0.0775 '0.1.t5.1 0.0244 0.0778 0. t044 0.081I I 1.108.5 21498. l I r701.0 .l 1,197.5 5 | 550.1 6 I 75?.S 7 I 380.1 3 r 857.0 99395.5 r0217s.5 t3613.! )r?qn 1 32il9.6 5407.1 t4408.5 2 1498. I I r70 1.0 1 t.197.5 5 r550.1 6 1752.3 7t380.1 I I 857.0 99395.5 2 t78.5 t)643.2 )77RO 7 900 I.2 7089.6 r0202.9 9',1r6.5 r 0052.8 I 0102.5 r0 I]7.6 \)9'16.6 r 7538.5 273t.0 I t.{64.7 3617.0 9819.J 9,101,125 7.127,939 10,689,816 r0.t64.022 r 0.532,553 I 0.689,i97 r0.5 82,2{5 10.12t,.t66 r 8.125,832 2.S81.292 il.8 1 7,047 8.902,.1.13 10. l4l-797 0.0t03 0.0108 0.0078 0.0075 0.0067 0.006 r 0.0t84 0.007{ 0.0079 0.0085 0.0066 0.0117 0.0080 tu.?% 98.5% r01.296 97.2o/o 99.i% 101.2% r00.596 99.V/. r01.5% 96.6% 99.5% r00.0% 91 60/" JO-) \i.0 17.0 37 _A 37-0 17.0 36.9 i6.9 36.9 t6.6 i6.l 16.+ 36..1 'fotals 88 2.0 4.1172 J.1567{6i 0.0905 I )h'l I B 1.985.174 0.0090 q9.70./"16.3 *Date Net Time Time Time 1 u 3 4 5 6 7 8 o 10 11 a) 13 7032417 7032411 7032405 7032699 7032693 7032687 7032681 7032675 7032669 7032663 7032657 7032651 7AA2645 z6-[Jec-uu 03-Jan-0'l 08-Jan-01 15-Jan-01 z2-Jan-O1 29-Jan-01 05-Feb{1 12-Feb-01 1g-Feb{1 03-Mar-01 05-Mar-0'l 13-Mar{1 1g-Mar-o1 03-Jan-01 08-Jan-01 15-Jan-01 22-Jan41 29-Jan-01 0$Feb41 12-Fetro1 19-Feb-01 03-Mar-01 05-Mar-01 '13-Mar{1 1g-Mar0.t 26-Mar{t 4.6150 4.551 1 4.4388 4.4367 4.4314 4.4386 4.6051 4.4889 4.5600 4.40il 4.4617 4.5174 n qt1, 4.3142 4.361 9 4.3286 4.3427 4.3507 4.3624 4.3650 4.3ffi2 4.3132 4.3769 4.3338 4.3747 4.3567 0.298E 0.1 8S2 0.1 102 0.0940 0.0807 o.0762 0.2401 0.13?7 0.2468 0.0285 0.1?79 0.1427 0.1 865 22466.4 29937.3 40134.1 49934.4 60001.4 70218.2 80303.7 90278.9 107782.9 10645.9 22088.6 30701.5 40570.2 13822.5 22866.4 29937.3 401U.1 49937.4 60001.4 70218.2 80303.7 90278.9 7782.9 't0645.9 2.2088.6 30701 5 9043.9 7070.s 10196.8 9800.3 10064.0 10216.8 10085.5 9975.2 17504.O 2863.0 11442.7 8612.9 9868_7 9,347,458 7,408,347 10,683,425 10,268,003 10,544,288 10,704,380 10,538,255 10,423,003 18,289.7U 2,967,203 11,794,371 8,877,602 10.'t 71.997 U.U5ZU 0.0255 0.0r03 0.0092 0.0077 0.0071 0.0228 0.0127 0.0135 0.0096 0.0108 0.0161 n nlA? 1U4-l 7o 98.2% 101.2% 97.2'/. 99.8% 101.40/o 100.1% 99.0% 101.30/o 99.4% 99.3% 99.7% 07 00/^ 36.5 37.0 37.0 37.0 17.0 37.0 36.9 36.9 36.9 36.6 36.4 36.4 1(t Totals 88 2112.O 4.49U465 4.349154 0-1503 126744.7 r32 018.1 16 0.0150 99.9%16.8 # Number T Time Time Liters ,| 2 3 4 5 6 7 o I 10 11 12 13 7032416 7032410 7032404 7032698 7032692 7032686 7032680 7032674 7032668 7032662 7032656 7032650 7032644 27-Dec-00 03-Jan{1 08-Jan-0'l 15-Jan{1 22-Jan41 29-Jan{1 05-FetrO1 '12-Feb{1 1g-Feb{1 03-Mar-01 05-Mar-01 13-Mar-01 1g-Mar{1 03-Jan-01 08-Jan-01 1s-Jan{1 22-Jan-O1 2$Jan-01 0$Feb-Ol 12-Feb41 1$Feb-o1 03-Mar{1 0SMar-01 13-Mar{1 1g-Mar-01 26-M^r41 4.4415 4.4244 4.3493 4.4144 4.3924 4.4213 4.5643 4.4380 4.4637 4.3850 4.4475 4.4519 4 4064 4.3338 4.3362 4.2744 4.3493 4.3419 4.3569 4.3519 4.3617 4.3543 4.3642 4.3782 4.3564 I )761 o.1077 0.0882 0-0749 0.0611 0.0505 0.0644 0.2124 0.0763 0.1094 0.0208 0.0693 0.0955 0 1305 20800.7 27980_9 38195.7 48088.1 58025.5 68176.5 77996.7 88090-4 105384.8 8352.7 19853.5 28494.2 lAd^d R 9421.2 20800.7 27980.9 38195.7 48088.1 58025.5 68176.5 77996.7 88090.4 5384.8 835?.7 19853.5 28494.2 1 1379.5 7180.? 10214.8 9892.4 9937.4 10151.0 9820.2 10093.7 17294.4 2967.9 1 1500.8 8640.7 qq70 5 1't ,761,452 7,522,863 10,702,284 10,364,498 10,41 1,646 10,635,440 10,261,045 10,546,823 18,070,774 3,075,921 11,854,257 8,906,257 10.277.029 0.0092 0.0117 0.0070 0.0059 0.0049 0.0061 0.0207 o.oo72 0.0061 0.0068 0.0058 0.0107 0.a127 112.9% 99.7% 101.30/" 98.1% 98.6% 100.7% 97.4% '100.1% 100.1yo 103.1% 99.80/. 100.0% 98.9% 36.5 31.0 J I.U 31.0 3't.0 37.0 36.9 36.9 36.9 36.6 36.4 36.4 164 Totals 89 2136.O 4.430485 4.341177 o-0893 12S043_6 134.390.2E9 0.0088 100.8%l6_8 # Number Date Time Time Liters 1 2 3 4 4 I 10 11 12 13 7032415 7032409 7032403 7032657 7032691 7A32685 7032679 7032673 7032667 7032661 7032655 7032643 27-Dec-O( 03-Jan{' 08-Jan-0' '15-Jan-o' 22-Jan-l' 29-Jan-01 0SFeb-0' 12-Feb.0' 19-Feb-0' 03-Mar-0' 05-Mar-01 13-Mar-01 1g-Mar-O1 03-Jan-0 08-Jan-0 15-Jan-0 22-Jan-O 29-Jan-0 05-Feb-0 12-Feb-O 19-Fetro 03-Mar{ 05-Mar-0 13-Mar0 19-Mar-0 ?6-Mar-O 4.4651 4-4547 4.43.19 4.4542 4.3766 4.5184 4.5946 4.4142 4.4600 4.3971 4.4754 4.4311 4.3365 4.3464 4.3729 4.3482 4.4162 4.3561 4.3204 4.3061 4.3706 4.3276 4.3472 0.1 31 7 0.1182 0.0855 0.0813 0.0284 0.1022 0.2385 0.0938 0.1539 0.0265 0.1478 0.0000 o o83q 35188.3 42341.7 s2579.2 6?418.5 72380.6 8255 r.9 92623.0 142716.1 20018.9 22897.9 33128.0 43052.0 23784.8 35188.3 42341.7 52579.2 62418.5 72380.6 82551.9 92623.0 2716.1 20018.9 22897.9 33'r28.0 1 1403.5 7153.4 10237.5 9839.3 9962.1 10171.3 1 007 1.1 1 0093.1 17302.8 ?879.0 10230.1 0.0 qq?4 0 11,786,258 7,494,784 10,726,068 10,308,864 10,437,525 10,656,708 10,523,208 10,546,196 18,079,551 2,983,786 10,544,504 0 10.228.997 0.0112 0.0158 0.0080 0.0079 0.0027 0.0096 0.0227 0.0089 0.008s 0.0089 0.0140 #Dlv/o! 0.0082 1 13.1% 99.4% 101.6% g7.6yo 98.8% 100.9% 99.9% 100.1% 100.1% 100.0% 98.8% 0.0% 98.5% 16.5 11.0 37.0 3'1.0 31.0 37.0 16.9 36.9 36.9 36.6 36.4 16..1 16J Tolals 8g 2136.O 4 456108 4 348467 0_ 1076 119267.2 124.316.449 #Dtv/o!92.2%16.8 t I I I r' Period: December 27,2000through March 26, 2001 (1stQuarter2001)Page 2 BHV-6 on stream % 100.9% Week Filter Start StoP Week BHV-O Total Volume: 4.75E+06 Stop Start Total Total Loading, Per Cent Ti-^ Timo Tina I ilp.s mo/m3 On Stream ALL 8HV on stream o/o 98.9% Start Stop Blanks Date Date Net I I I I T I l. -: li I li I I I T 4 5 6 7 8 9 10 11 12 '13 Date Date Gross Net Time Time Time Liters SCFM 70324't4 7032448 7032402 7032696 7032690 7032684 7032678 703?672 7032666 7032660 7037654 7032648 7e,32642 27-Dec-0 03-Jan-0 08-Jan{ 1s-Jan{ 22-Jan-O 29-Jan{ 05-Feb-0 12-Febq '19-Feb-0 0$Mar-0 05-Mar-0' 13-Mar-0' 19-Mar-O' 03-Jan-01 08-Jan{1 1$Jan{1 22-Jan-01 29-Jan{1 o$Feb{1 12-Feb-0 1 1 9-Feb-01 03-Mar{1 05-Mar{1 13-Mar{1 19-Mar-01 26-Mar-Oi 4.4379 4.4420 4.4318 4.4356 4.3686 4.4171 4.5776 4.4672 4.4736 4.3931 4.4491 4.4940 4.4046 4.3183 4.3643 4.3427 4.3636 4.3158 4.3481 4.3739 4.3786 4.3489 4.3739 4.3758 4.3667 4 3267 0.1 196 0.0777 0.0891 0.0720 0.0528 0.0690 0.2037 0.0886 0.1247 0.0192 0.0733 0.1273 6 iTao 503'l 1.6 57431.8 6767 1.3 77506.9 87492.4 97674.3 107721.6 17812.3 35118.0 3801 3.7 49590.9 58230.8 68150.7 38873.7 5031 1.6 57431.8 67671.3 77506.9 87492.4 97674.3 7721.6 178',t2.3 351 18.0 38012.7 49590.9 58230.8 11437.9 7120.2 10239.5 9835.6 9985.5 ,0181.9 10047.3 10090.7 r7305.7 2895.7 11578.2 8639.9 qqlq I 11 ,821,812 7,460,000 10,728,163 10,304,988 10,462,041 10,667,814 10,498,340 10,543,688 '18,082,582 3,001,094 1 1.934,035 8,905,432 10.224.771 0.0101 0.0104 0.0083 0.0070 0.0050 0.0065 0.0194 0.0084 0.0069 0.0064 0.0061 0.0143 0.0076 113.5% 98.9% 101.6% 97.6% 99.1% 101.0% 99.7% 100.1% 100.1% 100.s% 100.5o/o 100.0% 98 40/" 36.5 37.0 37.0 37.0 37.0 37.0 36.9 36.9 36.9 36.6 36.1 36.4 36.4 Totals 89 2136.0 4.445554 4.353638 0.0919 129278 1 34,634. /60 o ooqo 100.8%36.8 s 1 2 3 4 5 6 7 8 o 10 11 12 13 74324lJt 7032401 7032495 7032689 7032683 7032677 7032671 7032665 7032659 7032653 7032467 7032461 7032635 27-DecSO 03-Jan{1 08-Jan-01 1$Jan-01 22-Jan41 29-Jan-01 0tFeb-01 12-FeFo1 19-Feb41 03-Mar{1 05-Mar41 13-Mar{1 19-Mar-01 03-Jan{1 08-Jan{1 15-Jan-01 22-Jan-01 29Jan-01 05-Feb{1 12-Feb-0'l 19-Feb41 03-Mar-01 05Mar{1 13-Mar{, '19-Mar-o1 26-Mar{1 4.3145 4.3518 4.3727 4.3616 4.3415 4.3603 4.3459 4.3439 4.3789 4.3838 4.3595 4.3075 4.3493 Tolals 8g 2136-0 4.3516 .AJIJJAJIJJJJAAJAIooooooooooooooooooc, o o o <) o c) o o o o o o o o o o ommmmmmmmmmmmmmmmmmlltrtrrllrlrrttttrrarrairrJoooooooooo { o) ot 5 Cl) N r o (o o { cD ot 5 (r) N r I t I I t T I I [Bt l*lI lal r :tl r l*l r[] I T I I I I I U-Natural, uCi/ml bom+oo oB B Bo Thorium-230, uCi/ml t t I I I T I IHr l*lt l=lLI it$t rE I I T I I T t bo m+oo JIAAJIAJJJJJbbbbbbbbbbbbbogoooooo06666r.n f.n r.n r.n m m m m m m m rn rn-!,i.Lj.5555555&5G)NrO(O(D\.to)(,rA6ta5 JJIJJ 90000ooooommmmmtttttJJJJJ@{oot5 otr E} CL AJJJAAJAJJJJAJAJJoooooooooooooooooooooooooooooooooooommmmmmmmmmmmmmmmmmlltttttrllllrlllllrrarrArAAoooooooooO { o) (,r 5 O) N a O (O @ { (D Or 5 O) N r I I I I I I t !Er r l;l r5 r lfil t=tr[}l I t I I I I I Radium-226, uCi/ml bom+oo P E oo % 9o Lead-2l0, uCi/ml bom+c)o JJJJJJIJJJJJJJJJJoooooooooooooooooooooooooooooooooommmmmmmmmmmmmmmmmrlrttttrllrlrrrllTJAATATJc)c)c>OOOOOO { o (,t 5 (r) N A O (O @ { O) Or 5 (},, l\) j I I I l-Bl rlill LI r l$l rE] T I ffi oI-t] ocroN sIzofos IC(o I@\t {I o I(oo o) I(-o =I@o, 3-1C-0i; i0;lSAivl ;Eneray L3Cs Casc3r ENEfrGY LABORATORTES, lNC, . PO 8or 3258 , Caspet W 52602 ' 2393 Sall Cteetl liOhwaf ' Caspst W82601 888.235.0515 , i07.235.0515 ' 307.234.1639;ax ' rriiiiOb"'WtuO'con "vwwenergylab'con I l, l( I l" I .: T ,t,I I t t I ;.1 l, T 1 I I LLD's are from Rcgulatory Guide 4.1C t Efllucnt Coucenh:atiou provldtd lly Irrtcruational Uranium Corpontion Quorter'/Date Samplcrl Air Volume Rsdionuclide Coucenhation rCihnJ" Error E6timilc pCilsiL lr.lr.D. yCillr.L EIBucnt Couc.* aCi/nrL % Effluent Couceutratiou 01.31982-1 Firsr Qurncr 2001 Air Volurne in ntl.t 1.328+ll rrru 3.10E-16 N/A 1.008.16 9,008-14 3.45E{l .r*Ih N/A 1.00F,-16 3.008-14 "nRa < 1.00E-16 N/A 1,00E-16 9.00E-13 710PI:7.19E-15 3.77E-16 t,00E-16 6.00E-13 I.Z)E+00 -34218-l r:ond Quaner 2001 - Air Volurnc in mL l.l3E+Il ,*U t.5zE-16 N/A 1,00E-16 9.00E-14 I -698-0t t'*flt t.448-16 7-t6E-18 1.008-16 3.00F14 4.79E4t zha 1.178-16 i +.gos-t s r-00E-16 9.00E.13 t.wE42 zruPb 7.2tl.-15'i 1,278-16 r.00E-16 6.00E-t3 1.20E+00 lmi; r:\rElnrc\ctirnMOo l\itttermlloMl-trmuitm-corp\:ir\bltv2qZool . Jr ENEnGy LABORATORTES, lNC. . pO gox 3258 . Caspet wY 82602 - 2i93 salt creek lighway ', caspet tw 8260/ aAa.1SS.OStS . 30ZZSS.0S|i'. 507.234. t63g lai . caipiiObneryylab.con . ww'nenepylab.com I T. li t l': I l' :-:t T ti I I f, T l. I ! l' I LLDts rre from Regrrlatory Guide 4.14 I EflluCrrt Cotrceutration providerl Dy Irrtcnuriond Uranium Corporution i:i.::::::':: trt::i:ar:::::: :":: ::: ' iJ1r....,'.Y..'..,..:.: :: ::;::1..:.:::::i::::::::::.'... ::::' Quartcr/Dare Sampled Air Volume Rrdionucli<le Concutrstiort pCilmL Error Estimxte pCilaL L.L.D. yCUrlJ' Effluent Conc.* zCilmL 7o Efllucttt Concentnttiort ol-3198L2 Firs( Qua$el 2001 Air Volume inmI,s 1,338+11 -'u N/A 1.008-16 9.008-14 < 1.rlE-01 -"rh N/A 1.00916 3-00814 N/A 1.00E-16 9.008-t3 '-Pb 6.e5E-15 3.72E-16 I.008-16 6.008-13 1.168+00 Air Voluue in hull3 rwpu6\di6s:00 l\irilomtiu.I-ruild[m-cq!t rk\bhvlPoo l.rfr ENER?Y LABOqATOR|ES, tNC, . PO Sox 3258 . Caspe4 WY 82602 . 2393 Salt Creek ltOhwaf ' Caspec WY 8260/ 888.235.05/5 .307.235.0515 , 307.234.1639 lar . caspe'r@bnergylab.con ' wwvuenergylab.cam .::'l:I:,1;i::l:::::;:i..l:I.|:::;:;::::;::::.;::::::l::l:.i:i:l:i::j:l::i:::i..::x:::::1:]:::.: '.'...- -..,. a| : -; : :-a. !,.!- i::I::1t:;i:liii::ii,XBIrEASrEil-\:Q Qu:rter/Datc Samplerl Air Yolume I{:tdionudidc Corrceittration pCilmL Error gstinlate pCillr,L L.L.D. pCilmtr, Eflluenc Conc.t pCiln{. 7a Etlluent Coucentration 0t-3198?-3 First Quartcr 2001 Air Volume in mls 1.34E+11 *u t.4sE-16 N/A 1-008-16 9.008-14 1.61E-0r t-Tt N/A 1.008-16 3.00E.14 < 3.338.01 ra'Ra N/A 1.008-15 9.008-13 < 1.11E.02 zrrrpb 6.3T8-ts 3.588-16 1.008-16 5.00E-13 .l.068+00 8-3 Qurrter 2001 Air Volume ia mL 1.33E+II -\r N/A 1.008-16 9,008-14 t*Tb N/A 1.008-16 3.00E-14 toRa N/A r 00E-16 9.00E-13 rroPb 6.99E.1j r -308-16 1.008.16 6.00E-13 1.178+00 LLD's arc frotn Regulatory Guide 4,14 * Effl uenr Coucentration provided by Irlenutiortol Uranium Corporatlon lIuri nucponr\clidlr?oo I\iut!rutionrl-rddlil-cury\dAblw;tgt 0!,xb I 1,, I I l', I l" :' l' l. t t I, .r T. I t, I I ;: T. 1,, :- 1n-n 1 ENE4GYUBORATORIES, INC-. PO EoxspSE , Caspsti WY82602 . 2393 Salt CreeklEhway , Caspet WY82601 855.235.0515 . 307.235.05/5'. 307.234./639fax . caspei@energylab.com . wvwuenor@ab.com LLDrs are flom Regulatory Guide 4.14 ' Etlluent Concentration provided by International Unrnium Corporation QuarterlDlte Sampled Air Volunre Radiouuclidc Concentration pCill.mL Error' Estirute uCilmL L.L.D. pCihnL Eflluest Conc.* rCi/rnl- o/o Eftlucttl Concentration ol-3l9824 First Quurtcr 2001 Air Vulumc in ml.s 1.24E,+lt -U 4.nE-16 N/A 1,00E-16 9.008-14 4.75E41 ,ruTh 2.19E-16 4.27E-11 I.008-16 3.008-14 732E{1 *oRa 1.89E-16 2.44E-17 1.00E-16 9.008-13 2-10E-42 rurPb 6.13E-15 ?.508-16 1.008-t6 6-008-t3 1.02E+00 1-34218-4 x-<md Qu:rrrer Z)01 Air Vtllumc in mt ,-41E'+11 U 4.52I-16 N/A 1.008-16 9.00E-14 5.028{1 o''lh 4.O2E-76 5.908-17 1.008-16 3.00v14 1.34E+00 -oRa < ,.00E-15 N/A 1,008-16 9.008-13 ,arPb 7.4SE-15 2.578-76 1,008-16 6.008-r3 t.258+00 l$I: n\TETFB\cliaE200 I \hrtqEtiml_@riu_orp\rir\htrv2q200 t.ek I 1., I T lr I T I I I t I I I. I l; t I l:' I -r-rC-C:;'C: t3AIl ;:r'rersy L3cs Ca-<c=r ENEaGY LABOEATOBIE| lNC. . PO 1ox 3258 . Caspet W 82602 . 2393 Salt Creak Hrghway ' Caspec W 82601 s88.ne05$ . 907.2350515-. 907.234./d?9 1a11 , 6aspsr@?nagylab.com ' wwwenergylab.com Quoricr/DateSarnpled Air Yolumc Radionuclide Conecnrration pCilnL Error Estinate pCUmL L.L.D. t&ilafi EffIueut Conc.r yCllmL e/a Efllucnt Concentrstion 01-3t982-5 ltirst Quartcr 2001 Air Volumc in mlx 1.358+ tl *U LAE-rc N/A 1.00F16 9.00814 1.58E-01 6urh N/A 1,00E.16 3.00E.14 < 3.338.01 "\ir N/A t.00F-16 9.00E-13 Pb 6.178-15 1.068-16 1,00E-16 6.008.13 t.03E+00 t34Zl8-5 :cond Quarter 200I r\ir Volumc in mL I.37E+ll ,otu I.8IE-I6 N/n t-008.t6 9_008-14 2.018-01 ""rh 1-66F-16 3.598-17 r.00E-16 3.00E-14 5.52E-At ooaa N/A l.00El6 9.00E-13 /'uPb 6.958-15 2.518-t6 1.008-16 d.00E 13 r,l6E+00 L[,D's are from Rr:gulstory Guidc 4.14 * Eftluent Conccntralion provided by Interuational Uranium Corporation lnh: r;\rcpons\cliero{00 I \iwiom.l_uruiuru_utrp\ridbltv2tl@l .xlr i .rU r :-'+ I c-'Y ENEne Y LAEOBATOR1E, lNC, . PO 1ox 3258 . Caspec WY 82602 , 2393 Salt Creek lrOhwaf ' Casper; W 82601 8s8.235.0515 . 302235.0515'. 307,234.1639tax , caspei@mergylab.com ' www,energylab.com E-10-C1; r0; igAM;:neroy L3Js CasrerI 1,, I I l. I l', i:t' I I l. l, li :) t lu I lI l' I,, EPA Ivlethod I 200.8 903.0 94',7.0 NEN.IL-554 Laboratory Numbcr Sample I.D, Uranium nCi/filt- Radium-226 pCi/fiIr. I +t- Thoriuo-230 pCi/filt. I *,- Lend-210 pCUtrlr. I *r 0l-34218-l BHV-I 17.9 2r.9 I 2-6 t'1.0 I 4.2 818 I 33.6 0L-34218-2 I BH\r-z 6.1 7.2 0.8 4.2 1.9 830 33.6 ot-34218-3 I 8rry.4 I r2,0 13.2 I 0.8 11.0 I 1.1 934 I 34.8 ot-342184 Btrv-5 &.5 r2.5 0.8 s7.s I 8.3 1059 I 363 at,'qn8-5 Bnv-6 25-6 t2.s 0,8 23.4 I +.9 9s5 352 01-34218-6 BHV-Illank I <0.8 1.9 1.1 <0.8 <3.8 LLD pCiltilt 0.8 0.8 0.8 3.8 l0u!: r:\rcDons\clic[3200l\irucmational*uranium_corp\air\pp[2q200l,xls I ,, l. I It t l' -: l' I l, t I * 1.. T l, I I ::l I t, 6-i0-0i;iC: iSAivl ;rnersv Leos Casper Relative Percent Spike RccoverY (Pcrccnt)z LCS Recovery (Percent) Method Blanlt nCilEiller Datc Anolvzcd Auabct Loboratory #: Ihanium: Laboratory #: Radium 226: Laboratory #: Radium 226 rechcck: Laboratory #: 'f?rorium 230: LlboratorY #: Lcod 210: Di6s*tion: (l) TScsc velucs uc un usscssmenl of orralylical prcci.rion. Thc acccpnncc rongr is 0-20% for sample r'estlhs abovo l0 timcs rlrc rcponing limit. This r.ruge is ror ipplicahlc ro .rmplcs with rcsulls bcluv, l0 times the lepollin8 limit' (2) Thcscvduxarsrnirssessulctltolanallnicelaccuracy.'IhcyarcuprrcEnlrtcoveryo[rltespikoeddition. ELtpcrfo'nrs o matrir spihe orr l0 pctccnr of all .samplcs lbr carh analytical method. lE|h: ,:\rBForr\kli!su200lUoIcrn8tiorul-uranium-corp\rir\<pr\ppl2q2ull-,t I I I I T I I I I I T I I T T I I I I GROUNDWATER E1\VIROI\MEI\TAL MONITORII{G RESULTS FORTHE lst QUARTER OF 2001 7 E'-trflv =-g = a') -ai-+r> l-'nFLn). L/ ri1 \:r7 (il35=39 ^ O i.:.1 caX rilir> = b;+y<.Jl-> i rr',EJ(J7 .--! -/ v-+L-'(J(n - --7-t1 L Z I I J ->>I>h --Lrta:^^trc/rqEl=-V(l 0a rc > \tt<'>::a^svvaI = #qer C z J|.rp z+m1l 4,2fr,+ 3^ =o rtr 2 o;2c=r 96F="=f; E E [;!2_ #>t-n{=c F fi*HTiE I-nN:zzSA*H]PF}z fr6 8fr $a 4mn,dvv { oz HHHgNA*le:Ft-r-Ia;e6buios-B=R o tJ{= (r-N)NJl.aUP HHHSi:s'uai$g$i; uooB-SBi H$HgrHXnff=555uo58-bil=S@N (,TJ(,OP:tsArHzzzzSigHeBs>>>tS anoseSAll<<<<xqiuESbb>>>>5 HHHg=rlnsesH55u6b-s-bhi trN(J)ostsbAFxzzzzStsgEa8B>>>>SS@N HH*gsHslneF iSstiooS-'r|= u.rOrOBtg."FF==r=3rrtr3=x>>>>sooo-uuo5-l; rrN)asq,^Q HHHESXFS$38AAAuoop-n'uo-E;i5eqro- m o g) o =a ro+ og o =r0) =(o oa 5' o) =o- o- 0)e 3 o-g? *S 5 =<i€ = ===dgGi^-Do'>;H6' d a 6'6.N ='0) o: ^, CJt ra .- c;6 f le- C) xiO tu Crq o^o-o)* o O;6 A "v V ^I 3 m= H P 5ol @<- ir q) <( <.nx= a(u o 1 0)ao P € =o =€ 0) U' oo =o Co-oo- ='C- C N)ooI I; I I I T T I t t T l, I -],: I I I I T T /-.:.;:tL / I I I t v? I I I I t I I 7fltvif''6"/ Bllllngt . C.rpcr. Glllette Hrl.na. Irpld Clty ENERGY LABORATORIES, INC. SHIPPING:2393 SALT CREEK HIGHWAY ' CASPER, WY 82601 MAILING: P.O. BOX 3258 . CASPER, WY 82602 E-mail: casper@energylab.com . FAx: (307) 23+1639 PHONE: (304 e3s-0s1s . TOLL FREE: (888) 235-0s1s lutl41;'i 1 r1s LABORATORY ANALYSIS REPORT Client: INTERNATIONAL LIRANILIM (USA) CORPORATION Project: White Mesa Mill Contact: Wally Brice Sample Matrix: Liquid, Water Date/Time Received: 04/03/2ffi1 10:00 Report Date: April 13, 2fi)1 Laboratory ID Sample Date / Time Sample ID Chloride, mgll,Nickel, mg/L Potassium, mgll,Uranium, mg/L 0l-3 1915-1 O3l24DNl 16:.59 WMMMW5 46.9 < 0.05 '1.2 0.0005 01-31915-2 03l23l2Wl l6:fi WMMMW1l 3l.l ,,/< 0.05 7'9 i/0.0029 ,/ 0l-31915-3 031241200118:38 WMMMWI2 56.9 < 0.05 12.1 0.0r70 0l-31915-4 031231200116:10 WMMMWl3A 35.3 ,./< 0.05 8.0 t/0.@32 ,/ 0l-3 1915-5 03/23l2Wl 12:37 WMMM"Wl38 < 1.0 < 0.05 < 1.0 < 0.0003 0l-31915-6 031241200114:15 WMMMWl4 18.6 < 0.05 I t.0 0.0740 0t-3t9t5:7 03123120011236 WMMMWI4A < 1.0 < 0.05 < 1.0 < 0.0003 0t-31915-8 03l24l2Wl 15:.33 WMMMWl5 38.3 < 0.05 10.0 0.0488 0l-31915-9 031241200115:33 WMMMWl5A 93.2 ,/7.93 L'/18-8 0.660 ./ 01-31915-10 03125/20011312 WMMMWlT 27.O < 0.05 12.8 0.0422 I i9 4-fPq* it ^ NOTES: ( l) These values ue m assessment of analytical precision. The acceptancc nnge is 0-20% for sample resuhs above I0 timcs the reporting limit. This mge is not applicabl€ to samples with rcsults bclow l0 times the rcponing litnit. (2) Thes values arc an assessmetrt of ualytical accumcy. They are a percent recovery of the spike addition. ELI perfoms lll.rlftlf. , >4 I5 k JPtlcl ('tT w"tvtr4'''- i-arnryul134 is i'?*?_-, *'-.r T:1 {*!r,"'( C*rO( SpiL" ,,'Jn"t *' *-'+l'-# b -?0a., u-ccePtLLt'rcu ya*tfie',, A-CCePl*<t" yaaff{L' lat> lo'|"'nes f'P"'\ urMtv['i-4,+y2lc^L ir a 7, .-P CDr) Bl*L-. lrttt S ,S a D-E 3lc^-L) ' Quality Assurance Data Method EPA200.7 EPA 200.7 EPA 200.7 EPA 200.8 Reporting Limit 1.0 0.05 1.0 0.0003 RPDI o.'l 4.1 0.4 o.2 - ., 2 )DIKC 93 96 93 100 Analyst jal jal jal ts Date / Time Analyzed 0410412001 10:13 04l04l20ol 10:13 O410412001 10:13 04110120or 12:01 T t I T a matrix spike on l0 percent of a.ll mples for each ealytical method. msh: r:\reports\clients2o0l\intcmdoml_uranium_corp\liquid\3191 l- l- l0.xls GOIIPLETE ANALYTIGAL SERVtCES GROT]I\D WATER EI\VIROI\MEi\TAL MOI\ITORTl\G RESULTS FOR TI{E Znd QUAR.TER OF 2001 z-lm1r4o@*,zm--l -1 SAo rH 2 SyZP = P Odt-ZtC AeP==g rtr>n>;z (E,1i,ilfr5 Ho m i- n g: T3E>26 1 > 3 r I tr3{-u k'o2 40 ofr fla 4ni 4Ov7 { oz 7ggE;dsEa5tE EgE*daBuIEE 7 ri-trtF m*i>>--n=?i.u rn Y z (l @lACro VUJ- ^ (r; aX roitr>Y t- z'Z6 EiP>=crlcJ(J * z?(Je3 r- (J (, lr, I a- CCZ=22o=>>x> -l-ifrjm'-a ^^^liJJC() oo 0a ? =-55-l-J g Cz Jr-(J 3tJ 3 3 EU 3 35 ? {s HukA=FETHHE EggBbBgBtHE @-tJoSxhA:"Hr==23i$EBEBt>t>S onB i? 0 3 A I I <<<<=+E88bbF>>>5€-o EgEs;:ss;iS gu3*Earr;r= gfgSEE5Ug3E o-NOEaar:'i r=r=3IIT:;3>>>>5u9oAO\O uusSuuPp:l*A[ts9p"GSf sgE8B8g5:UES@l.J I mo o)=o =(t -o+og o:t o)a(ooo ='ilfo-o 0) c 3 o-oo - I= = 5<<a ='<==6Bs**r6 o ,-'7,'N ='o) or ^' Ui *p r i.,€ C) := -(f !!L crO iO^O_q); = o \J: o - -5 LJ ^I 3 o= * P 5ilcp<i -^-= Ol {5 --?1 o 1 0)-op € =of, € 0)a oo:lo Co-oo- ='C- C Nooo I I I I I I t I I I I I I I T' I I I I I Billlngt . C.3P.t. Glllrti. Helena. Rapld CltY \, ENERGY LABORATORTES, INC. SHIPPING:2393 SALT CREEK HIGHWAY ' CASPER, WY 82601 MAILING: PO. BOX 3258 . CASPER,W 82602 E-mail: casper@ensrgylab.com . FAX: (307) 234'1639 PHONE: (307) 235-0515 . TOLL FREE: (888) 23s-0s1s I. LABORATORY ANALYSIS REPORT Client: INTERNATIONAL LIRANIIJM (USA) CORPORATION Project: White Mesa Mill Contact: David Turk Sample Matrix: Liquid, Water Received DateiTime: 06/15/2001 10:00 Report Date: July 13,2001 Laboratory ID Sample Date / Time Sample ID Clrloride, mgll,Nickel, mg/L Potassium, mgll Lfua1irm, mg/L 01-33639-1 06ll3.l2A0l W:00 WMMW5 48.9 < 0.05 7.0 0.0007 0t-33639-2 06ll2l2Col09:15 wMMWll 36.5 < 0.05 7.4 0.0025 0t-13639-3 061131200107:30 wMMWl2 59.9 < 0.05 l1.6 0.0184 at-33639-4 Ml12l2C0l09:15 WMMWI3A 36.0 < 0.05 7.4 0.0026 ot-33639-5 06/11/2@l l3:@ WMMWI38 < 1.0 < 0.05 < 1.0 <0.0003 at-33639-6 Mll2l2:C0l 13:30 WMMWt4 20-t < 0.05 ll.0 o.0767 01-33639-7 06llll2001 t3:30 WMMWI4A < 1.0 < 0.05 < 1.0 < 0.0003 01-33639-8 C6,ll2l2AOr 12:45 WMMWl5 47.9 < 0.05 9.4 0-0514 0t-33639-9 O6ltll200l14:00 WMMW15A 45.7 9.18 43.7 2.48 01-33639-10 O6ll2l2C0l 13:30 WMMWlT 29.0 < 0.05 12.3 0.0459 0l-33639-r I 06lLll2C0114:30 WMIvtWlTA < 1.0 < 0.05 < 1.0 0.0010 Quality Assurance Data Method EPA 200.7 EPA200.'l EPA 200.7 EPA 200.8 Reporting Limit 1.0 0.05 1.0 0.0003 RPDI r.6 4.5 0.6 3.2 )prKe 90 86 92 108 Analyst jal jal jal ts Date / Time Analyzed 06-1841 05-r8-01 06-18-0t 07-124t NOTES: (l) Thcse values ue u assessment of analytical precision. The acceptance mBc is O-207n for smplc results above l0 times the reporting lirnit. 'Ilris mnge is not applicable to smples with results below l0 times the reponing limit. (Z) These values are an assesment of analytical accmcy. fiey are a pcrccni recovery of the spikc addition. ELI perfoms a matrix spike on l0 percent of all smples for each analytical method. vwh: r:\reports\clienm200 I \intcrnational-uranium-corp\liquid\33639- l - I l.xls I t I I I T t I I I, T I I I TRACKI}IG HO. PAGE NO' 33639R00003COTPLETE ANALYTIGAL SERVICES GROTJi\DWATER T STATISTICAL A'\ALYSIS I BY I sHEwHART-cIIS{IM METHoT) JTINE 30,2000 I I I I I I I t t I T I t I The NRC February, 1992 Environmental Assessment states that the Mill will use the Shewhart Cusum control chart technique for interpretation of quarterly groundrvater data. Copies of each of the current control chart plots for the White Mesa Mill groundwater point of compliance quarterly monitoring data are provided in this section. These plots include data from the most recent quarterly point of compliance sampling event in June,200l. The control chart method is a parametric test. The underlfng assumption in this method is that the charts and control limits be developed based on a parameter that has a normal distribution. In some cases, the parameter which exhibits a normal distribution is the measured concentration of an analyte. In some cases, the parameter is a firnction of the measured concentration, such as log, square root or other power of the concentration. The parameters used for white Mesa Mill data include measured concentration, log of concentration, or square root (0.5 power) of concentration, as appropriate, to generate a new control chart, or a graphic output that can be compared to an existing control chart. A summary interpretation of the control charts for this monitoring period is provided below. Chloride Monitoring Well 5: Monitoring Well l1: Monitoring Well 12: Monitoring Well 14: Monitoring Well 15: Monitoring Well 17: This parameter is in control as indicated by the control chart. This parameter is in control as indicated by the control chart. The anallical results are not random (high serial correlation), hence a control chart cannot be generated. The last period when the data were sufficiently random and normally distributed to generate a control chart (1/98), the upper control limit on the chart was approximately 80 mglL. The current data is within the previously established upper control limit, hence the parameter is in control. This parameter is in control as indicated by the control chart. This parameter is in control as indicated by the control chart. This parameter is in control as indicated by the control chart. I. Nickel Monitoring Well 5: All analytical values are below detection limits. The parameter is in control. Monitoring Well 11: All analytical values are below detection limits. The parameter is in control. Monitoring Well 12: All analytical values are below detection limits. The parameter is in conkol. Monitoring Well l4: All analytical values are below detection limits. The parameter is in control. Monitoring Well 15: All analytical yalues are below detection limits. The parameter is in control. Monitoring Well 17: All analytical values are below detection limits. The parameter is in control. H :\Users\StafflMRR\POCrxt070 I I I I I 5: t1: T I I I I' Potassium Monitoring Well Monitoring Well Monitoring Well 15: Monitoring Well 17: U-nat Monitoring Well5: Monitoring Well 11: This parameter is in control as indicated by the control chart. The analyical results are not sufficiently random (high serial correlation), or normally distributed (not Gaussian), to generate a control chart. The last period when the logarithmic data were sufficiently random and normally distributed to generate a control chart (1199), the upper control limit on the chart r,vas approximately 20 mglL. The current logarithmic data is well within the previously established upper control limit, hence the parameter is in control. The analytical results are not random (high serial correlation), hence a control chart cannot be generated. The last period when the data were sufficiently random to generate a control chart (1199), the upper control limit on the chart was approximately 18 mg/L. The current data is well within the previously established upper control limit, hence the parameter is in control. The analytical results are not sufficientlyrandom (high serial correlation), or normally distributed (not Gaussian), to generate a control chart. The last period when the logarithmic data were sufficiently random and normally distributed to generate a control chart (2100), the upper control limit on the chart was approximately L7 mglL. The current logarithmic data is well within the previously established upper control limit, hence the parameter is in control. This parameter is in control as indicated by the conkol chart. The analytical results are not sufficiently random (high serial correlation), or normally distributed (not Gaussian), to generate a control chart-they've been nearly constant. The last period when the data were sufficiently random and normally distributed to generate a control chart (1/98), the upper control limit on the chart was approximately 100 pCi/L. The current logarithmic results are well within the previously established upper control limit, hence the parameter is in control. The analytical results are not normally distributed (not Gaussian). Hence a control chart cannot be generated. The last period when the logarithmic data were sufficiently normally distributed to generate a control chart (8/00), the upper control limit on the chart was approximately 80 pCl/L. The current data is well within the previously established upper control limit, hence the parameter is in control. T I t t T t t t T Monitoring Well 12: Monitoring Well 14: This parameter is in control as indicated by the control chart. T: T t I I H:\Users\StaIflMRR\POCb(t070 I I I I I T t I t I I I I I Monitoring Well 12: Monitoring Well 14: Monitoring Well 15: Monitoring Well 17: The analytical results are not normally distributed (not Gaussian). Hence a control chart cannot be generated. The last period when the logarithmic data were sufficiently normally distributed to generate a control chart (3/99), the upper control limit on the chart was approximately 400 pCilL. The current logarithmic results are well within the previously established upper control limit, hence the parameter is in control. The analytical results are not sufficiently random (high serial correlation) to generate a control chart. The last period when the logarithmic data were sufficiently random to generate a control chart (1/98), the upper control limit on the chart was approximately 60 pCi/L. The current logarithmic results are well within the previously established upper control limit, hence the parameter is in control. This parameter is in control as indicated by the control chart. The analytical results are not sufficiently random (high serial correlation) to generate a control chart. The last period when the data were sufficiently random to generate a control chart (8/00), the upper control limit on the chart was approximately 45 pCtlL. The current togarithmic results are well within the pieviously establiihed upper control limit, hence the parameter is in control. I Ii I I I T H :\Users\StafI\MRR\POCrxt070 I -ro u-) <IJ -O-) -C- OOC\J ::C\J ct)-+J(-.) o.)D OJ-o C,oC, >qrr)C\J C. r(tr -c. o.)<_ O - -a OJ c_p -1)O C ! c_ao .C C--) Oc_ f,J OLJ iri -lJO -. O O coo) O rr-)o) O c\lo) O I l, t|'t I l: I I t T o)CD Ol, I I l' CY-)o) IOo)o, L.lJ GOO< c-a cJ)L! -4 O CJ ItlLOOO =O tt ttllC\J LO O 'S- CO C\J:- ar) cf-) c\J - .+ ======O O O O O O co:- =O o)= O O CDo) O Lr-)o) O (\Jo) O OOC\J C\-J U) (J OJu cL)-o OC, Nrr)C\J Cro -{J cl)<_ O< 1= O-) -rJ +)oC c_roCC.) o .p COC.) iri -tJo B PEa! 6 t> \2 : B ts Etr tr B E t> D P > g)co O rf)CD IOct)o) l--rJITOO -cA cJ') LIJ -< el IllltrlllC\J LO O 'S- CO (\J CO O-<f (-r) (Y') C\J € .< O =======O O O O O O O co.=- =O cr)= OOC\J <C\J CJ) (J OJ (]-)-o C. OC x L-r)C\J Cro -=.-rJ O-) C_(= d CD c--4) -rJoC ]J c_-ro C--) Oc_-+JC,oC-) ai.p O O O coo) O [r)o) O C\Jo) O Pc E t->(> tr t>b i l> E B R F PE tr, E B ? D PlP IP F tr lP IP > CU si I ==oJ =LJ r----t Z. OJ = o)CO O rB (--)o-) IOo)o-) LJ-Jta- O O< c-A cJ) LIJ -.< O IrttttttLOLr):.CQC\J<O'-\OOOOOO(::r) =OOOOOO -roU) OJ - CIJ -C C>OC\J .<<r- C\J >- --) <J) (J CD+) OJ-o C,OC, >:€ Lr-)C\J C.a(f -c. o-)c_ O - -E- O-) c_-p JJoC p <_ro .C,c_) (= L C.O C.-J ir-i O O O @o) O Lr-)o) O B E fi> k\). B B P B tr B E (.> tr tr P F Itr P F tr P D T I I C\Jo) O o)c(} O cr)CD I Oo)o) LL,rfOO -c-a c-r) lr I -.< CJ tttrrttlllcD a\J Lo o '<- co c\l co o\\ .<a- .s- cr) cf-) c\J ._ - <=(=)OOOOOOOO =O O O O O O O OI I I t i li -rc} aJ) OJ - CIJ _= OOC\J C\J ,-D CJ OJ-lJ OJ-o COC N[r)C\J rOE-rJ OJ C):= Ei CIJ c_ -JJ -1)OC ! c_ro .CCJ O C_+J-. C-J oi.JJ O O O COo) O Lr-)o) O C\Jo) O LO si I = =LJ 'r-l Z. r----l OJ = I I i.r I I t l' I T l:i I I T l' I, o)CD Ol.,c-r)o) IOo)o) L-iJ(- OO -c-4 cJ) LiJ:=< - IltttllTr)OLr)<>Ir)O\\ f\ C_O .=- Cr) <g)OC>OOO =O<)OOO i I I I I I I I I_lOIOI '"1 -l-a- |(.\t I --l -t:rl--) i I ;-*)(-.) €.) -rJOJ-o CoC. B'€rr)c\l C.r(f _c, 4J CD C_o -o CD c_-tJ -tJ O C .p c_ao-c.CJ oC-! CoCJ ai !O O O o]o) O o) O Lr)o) O -ro u") OJ -AJ P .C - cf)O-) IOct) CF, L.tJ(--f' O(= ca C-J') LJJ -4 - P ? ? > Illttttlll(O O =- Crf C\J LO O 'S' CO ClJ--\ :- :- cr) c-r) (\J < -g)OOOOOOO =O O O O O O O OJ -\Z(-) Z. r\ <i I = = OJ = t: ar)o) O O -i:=, I.ol.DioJl:=i Iorj!i -l-l I i i O .! ao OJc_c_ O(-) ro O-)U) -c.oD oOT C\J o) cr) C C\J Cc_rct := --) Cro U)u') =)roc5 C-ro CLJo_o- ac, O C U) OJo1= :>+J .Oto c-ro iL;Do LN I = =2.Il OJ = cr-)o) IOg)o) LIJ(-f OO -ca cJ) lr I.s 4 I lrililmltTr)OLr)OIr)O..\ .4 O C\J t-clC--J CT] (-f) C\J +O. CY-)o-) O g) CO O rr.)CO O co O I -rou') AJ o'J I t OOC\J c\-t tJ-) CIJ-aoE:> LJ1 <J1 = -'J.AH C_AoO-a=EE CJ)a=-o -o =E = -.o E ct') rE= c_str -ai:tsPz- u = o)o) O rr)a-, O o) O CD O cr')CO O I I I s--J s--l I = ,, I .l AJ = l I, I l t T l. '| :: l' I c-)o) IOo)o) LLJ-rOO.- c-a c-J-) LTJ:=< CJ I I ilt IIillillllilillllilfiilililtllo Lr) cr) Lrl [r-) :-'-\ Ll-) - |-\ + O (--,OOO o_ I I l. i T T; I T l' I I t T I l' I I il l, t, g I = =*- --7 > I._l E = xx + x.... y------'--:-y *x x xXYx x x .x* * {:'x & x x_x' * { { X, {' -..x X-t'----------.-., x_.-.--,.x * * x /;x -o x--...::::::::::::::::::::--:::----_:--....---.------_---.. x-'.-----.'.'.--'-"""' ""---"'-'-.'--'--'---:-':'-:--.:-'-"--'--""--"'--'--'---"'*x ^i* I iltMil illt I lllrrtllo-=\ O O O.O(JOO O-O .< OOOOOOOOOO.O <-= O OOC\J (-r)- C\J U) O-):= -roE> u) ru .48ro C_Aoo_ = -o' =o U)ts=-o -r= -B ro =-oE=.=- LsE -iai (r :Ez. (J = o)o') O c.)co O Lr-)o) O o) O co O cf)o) IOo)o-) L! -fOO< cz cJ)t-tJ -.< SJ atr) CJ) OJ - G-) -.= <>o)o) L-lJa"f OO.s c-a CJ)u-J:=< c_a(f o-)>x <J') O-)c__ -CIJo- .o >> t. ' : t I I I I l' l" 1,, TJ I l'l .: l' a(f C--: - .:.L OUo.: (o '-:c\r -= a\-l ( uOOE -i 9- OLc-n - t=t)cL, o '=IU :=O-) -.-<J)o-o o -:- aJ) u) u' Lt) ro '- cIJ _O 4 <_cD Lt) '---i-U'UL --c)roE CCJao -+J (-C) CJ) (--.) CoC) (I) -tJro v s-1 I-= =+)'=- (Uz -7-? I .l OJ = o)co O Itll'<a- ul ul O tililffiil ililil rlt CDo) O Lr')o) O C\Jo) O :E ro aJ)(L) (L) - OoC\J c.t'<\l :> =--) cDg, Io6)o) LJ.J.T OO -ca ct) LTJ -<.O (-) CJ-) -!J C-(o _c(J oL:L+)o L .L)Oq L) clrc-c_'9o = (-) AE ucu1u> -D .C,I crtL- .Hro- =ot-s c.oJ '=. c--6s E (I) C. - r'l _oE O(-) XIXIXI\lxl * + $ * it *x "{*xl Xxl x coo-, O l.C,o, O o.Jo) o ll tlo= I I lll lllllillllffilllillllllll IrllOIr)O\\ (O rs- (r) (-)o- Lr) s-i I = _ t(J.Z- -=a.:l G-) = T I T I -' l, T ,' I I i T T I : t r-li T T; t t; l: l,' I 4tr, <J) O-) - <LJ -c.s l, I t I O O ixi x ,( x x x v7|\ x--... i ro OJ>- <J) O-)c__ -OJo- ao :> aoc_-_) ::l LJULrl ro ''l.<- :LI-) (u O O ..] -- c- (t) - o)oroE L L CL,U - u) o-o o -:-c-D 6 cf' =cJ) ro ';-ai i5 T c\r c_cD c-t) :i , T5.=C\J ::c.:>-= -= c-u 'Y ao -- --) CC.Jao!ao U1 (J CO < o-)D(otr : \/--.--- \.1' l "-"''-i\1 ,,' 'j xXx iXi,'v :xl t\, l-- s-'l I =+)4 -7 >l .l - OJ, = t t I T L' cf)o) I O(f)o) LIJrTOO -<-a CJ) LfJ -< S=f I Irlllll.Jl L? C\ sOO X' I T; l' I Hililililililil tttI I <> C> .<q- -\ Crl -(--,o_ q)o-) O o) O [r)o) O :- rE, a-r, cL)z <L' ! - Oo(\, c-;<\J :> - cf,9, IOo,q) I.J-J/.1' OO:= c.a ct) L-r-, -.4 - (J U) -tJL ro -C(J o c_+) Co(J =la =(-) I+)L ro -C =OJ _c.a E a) C -r-'| _c)Eo(-J *fixlx ,{ 1 1 f { * OO O coq) O (oo) O -ro) O ll ll I il illllffi ilrltLg? O Lr) cr) Lo 'i<r=q) It,? O LNIE === =(nro -+Joo) o_ = d O o) (\J=. - I t, l. ( t T; t l' a:: t lI ti' T T :, I, I l* T t, I' T. :=i Jrol CJ) IoJl -lArl+i -.c i I l, -/ti :> -l <, O.)- aoLro-'A '= c-t) I e ro:1 oc-D E :ac_ roro ,- cIJ U CDo- c_ rc,=o C.Jts?c:ro.nIoi=o-:oucJ)-I=U :> = --)D H .:-. + Eu1 6rolcU L:C :> (u ro --ai:u- ao -. .J < OO O @o) O c-oo) O =-o) O c\,o) O ;-.:--.. Y-"" x-'-"" I ilt r I I r r I illlllilllllll Iltl T l,' I l. , T I I s--l s-l,_l- =a=a ro . -tJ-O;o- = t. I I I I I I OOC\J C\J ,X X. x ,x X x... cf)o) I<>o)o) Lr-ln-OO -c-Z cJ') t-LJ -< s=] Xli orr)rJ) o)= I I t T ct)g-) - CIJ .C CO !ro (I) c_c_O(J rt) L o-) <J) -c.o) T L; Cc_ro - a_ro O-):> c_ O-)O- o)= co c_oCY O I CJ) CD G C,o c) <J) O-)c-o)o-) O cL) O-o c_n CU ,-l_ =)+a =a ro . -t) .O;o- = OO O COo) O LOo) O s-o) O I .: l,, :iI I x, x x-: '-. T I .r---i----"----'-'-X/\.....,.- i -'-'-lz -- --:' X-"- iXi::x.ix; ....; ixV, o-) I Oo.)CD LTJ(-f O O:= cA C-J)LU 4 SJ co :-'-\ + -ct)= ll[ ll illililtil|illlllfi |ltlttl T l, I T l I I C\J O Cc) LO :'€- ro(, OJ< OJ -C OOC\J c-tC\J a +J C_ (U -CL) O( ))o L ! oro Uct->c_ C_ =-o=(r_)aE LJ cIJ lu) -+) --.-o)t_'(a := =s)-> -.or '= L6s 13 OJ C _cf =O (_J I * t x* * ,1 x,l x "+ * xx T * *xl il OO O COo) O LOo) O :-o) O C\Jo) O I lxlx i|,{ XxI'Xt.;.X'l'I' "'----- . . I Ilx"'-'...'..'.l\, lx 'x t:x IX X lxlx lx lx X. X x. .-x X Y: ix....i __-.:y X:.'.-- .;..xx- ',xi:'XiY' ..{. I'X cr)C') I Oo)o) t!(T OO c-a cJ) L.TJls < I ilt ililfit ililt I = IttlCD:.O \r s--l,-t---) =2-D -O;o- = l;' T: l. I O'-\ C\lCD= rlrJ -aoU) AJ OJ.p -C- OO,C\.J c'J C\J :> =_> cr)g) IOo-)o-) L!rTOO -cz cJ) LLJ<<O x ',xX.IX. C,O +Jao O.)c_c_O(J ro L o,J CJ) -c.c=-l T iiC. Cc-ro - (-t) CIJ:, rDE> 8ro -=1..:q 7-ro LEEo- (.C' Eg U)a=-r= t=, CI-):- .J-)o = -.o Eu).== Lstr -ai:P- roIJa!z =< '.'.:x x x XI x. OO O C\Jo) O ,x\/ ---'-2( x--..-..x \ .X x.. _-_-.-:xx""'--' ...x- "x X I ilililililtillmll I Ilt LN ,Et- =-)=- =a=a ro J).c);n- = X' x xx 'x v orr.) < O=\ CY)(=) = coo) O (-Og) O =-o) O tr)OC\J -r(f CJ)o) <l-)+) - aOC\J c-tC\J :> -= cr)(:r) IOCNg) LTJ(? OO -c-a UAt-r-, -4(= (J a -t) c_ ro .C,(J o -lJ o L!, .E (Jcu c-€- -o =(rU)E-tu 1 tt> .IJ -C,'- C=rL- -A = or or '= c_6s E 0.)C . -'l -OEo LJ { { x I *x* IXI * iX x i O o o)q) O g, o rr)o) O cr,o, O Lrr. I q O ....x til ll mllr I ll I =rJ?LT' t\sl.-t--)+ '--l =a=a-sru -L) ;o- = I IlllLr) O I-r)\_CD O C\J E CQ CT' C\J I I li I l; t I .', I I li t iI I I Ii T I :' l' I x>i OOCU Ic'tlC\J I I>..1 -l-)i I I i I i I I i i i a -.tJ L ro -CU OL_ -tJo t-.p ro uor c_C- =(.-)aE CJ E5 l@)-) -c.- (=)(_roT(- =cD_t -.LIJ -Lfis C OJ C -OE O CJ /.,, & xLr)+or =13 ==7 ;- = o--'--"".--"."" cf)o)irlolo)ro)l -l,t,lrflO! -i<l I c^a I Ict) I| ' lt -lnl ul I --lc-.)l*i IlllO O LT')c\J - ilililwlllrilr IO r.C) ttltO O LT')"\Lr)OcD < -= Oco O r(,U)(l.) -OJ! O <=>C\] c-t'(\J >>)--? cr')g) IOg,g, LJ-IITOO cz <l)t. I 4 t- <) a -l-) C- ro -C,(J ,_l C]L +J Co LJ =fafL) I +)L ro -C, =OJ _c.a E OJ C ---l _oEo(-) .t ,J x.'.1 4k xx "{\/ | 1Kl { x .,xtXIn.t & {{ $*x,'tx -' coo) O .s.o) O oo, O (-Oco O (a.Jco O IIlrO LI-)(\r < -x-'---10 v'i'.x/4",xXi -.; !::1---..-y il lllllflliilI[llll I ItllOOOLr) '<. cr) !tl -Otr)-\ O f\O)E -l -l I O.) =Ez. =c-=o r"-l -C.(-) OJ = I I ': ,.. T t: l l' i l. li l, ) ; I T !: I' I li I I l' I, := rEat)ct) CTJ+, == <=OC\J c-t C\.J ;> =-2 cr)o) IOo)q) lr I G,OO -c.4 ct) L.L, -4a <) o -L,(o (U' Lc-o ro c_ CI-, UA -c,gl - ET' L Lro -, c-rE <l.,>> c-cuCL 4 g, ar)(.ocr)trl O I a-r, CIJ Lo c-nU) CIJc-g) cl) C_ o clJo-o cta cog) O '<rq) O oo, O LOCD O (\J CD O ixi/\x* T:x x-,-- i ^..',ax'-" x:i'x xJ')x _i( & & i av: ry xt 6 ',x4.',,x" 4.vi9ril\o4rixvi'I '6ot((>xx* X sv^ j=.=C::::-::-:::::::-::--:---- +X -'--------+-__-)1 xl,-.- .,?\ oi,Y Xxx :O.i'xi'* : I llfllllllll il ll IlllOar',OLO CU -'lloJ =r(f = 'r-1 =c-=O --lr'-t -C.r-r (-J o-) = .+OOOO\\ co t.C) c\J o)o]€-- F, T l. Ii I li I l, l I, I I l: ,. I .tl' I Ii I I l l" I z rI,Lt) QJ O-)g - o<>cu c-t(\J :> - cr)(:r' IOo)q, Ll-,G.Oa @ ar) lr I 4E c-) XIxlXIXIt,{ a,*l: lCIXI-Cxl L) I"*EOL-f +-rX\l/4o *c-: *=*s Q?x; *L6rof-c.6=]lo)/$cta X rC} (I) C ..1 _oE Cf (--) O O -cog) O - trjo, O _G,,g, O -o)oo a L -i::::.j 'x X ik X :--' ----:rx il[ llll lllllnllill ItlltJ) O lr)C\J (\J _ '') x s s"llcu =E = 'r-1 =c_=o -{_c. C-) o) = d|.,1(fO -\ CrJ Crf C7!= I 1., l' t 1.,l I l, I t ti I T I T li I t l" l, =Ert, a-nclj <L) ! - OoC\J c-t C\J :>) c.q, IOo)ct, LUrfOO -a CJ) LLJ <a a) XIxlXIXXI xl aXl -rrxlLxlrox l-cx,{ ., XL -r .-i E5cAO*(rxJ=+:) .1. aX --r #ft+,,xc_cro0-cCI=f 0_)U-c Q-E o.) C - .-l _oEo LJ o l OI \- I I I -coo) o -r.-j q, O - (1-,lo) O -o)co O ul C\Jn_l iltilt lll Itl OL,,OTI:O\\(:r, o c1.J tl:) o = (-O tl-) :- Cr) Cr) lil lllli ltl Lr)sl lqJ =E==c_=O -C C-J o) = I I Ii I l.. t :_ I ','I I Ii I T. I, t lr I t i, T l, roU) CL) <u -c. - OOC\J c.t<\J >- -) <Tto) IOqro't Lr-'GOO -.ca U)LlJ -4 O (-J a -lJ C- ro -C CJ -loL+) Co L] ==a =CJ I!L ro _c =G.) -Ca E o)C - --l _oEo CJ I xf x x Ix *Ixlx + f X O O g)o, O C, O rr)q, O (Y)q, O '--'--'------\/ -------7\ X .x xx ililll r tlll -)OO k t' r. I I I I I lfrltlOAO[I) :- c7) t\ <{loJ =EZ. 'r-J =c-=O .C(-J o) = a\\ (-(f C7' /\---.- .x- --- - -- - -- ---_ _ -- -. I l, _--r:iIi I l. T ,. t , I t Ii I I I, .ll I Ii t t, I l' l, ST]RFACE-WATER Ei\VIROI\MENTAL MOl\ITORTi\G RESULTS FOR THE PERTOD OF JAI\UARY 1,2001 THROTIGH JUI\E 30, 2001 TABLE VI TNTERNATTONAL URANIUM (USA) CORPORATION WHITE MESA MILL SURFACE WATER ANALYSIS SEMI-ANNUAL EFFULENT REPORT it WEtwater is now on an annualsample basis' Westwater is checked weekly and after significant precipitation events. Cottonwood 1st Half 01 Westwater** 1st Half 01 )ate of Sample 06-Apr-01 06-Apr-01 IDS (mq/l)2.54E+02 6.ggf+02 TSS (mo/l)4.92E+02 3.30E+00 Ra-226 suspended (bc/l)<2.00E-01 <2.00E-01 Ra-226 dissolved (bc/l)<2.00E-01 <2.00E-01 Ra-226 LLD &Cil])2.A0E-01 2.00E-01 Ih-230 susoended (bCiil)<2.00E-01 <2.00E-01 Ih-230 disolved (bci/l)<2.00E-01 <2.00E-01 th-230 LLD (bci/t)2.00E-01 2.00E-01 U-nat. suspended (uCi/L)<2.03E-07 2.03E-07 U-nat. dissolved (uCi/L)4.40E-06 2.378-06 U-nat LLD (uCi/L)2.03E-07 2.03E-07 Gross Alpha Total (pCi/l)3.40E+00 2.69f+00 Gross AIpha dissolved (pCi/L <1.00E+00 <1.00E+00 <1.00E+00 <1.00E+00Gross Alpha LLD (pCi/l) uCi/L, Dissolved fr,+ ! VUUUUUU99U9VVrr, rr, rr, rf, |r, lr, rf, tr, rll Fl rrJ E, E,-L.:-l:-55555&555(rtJO\O6{O\rJr5(ru { (D z (Dq D9? aaotr 5H,5.) {(D8{O. DD 6-to^:: Eta6 o ta -l (D s tJO oB (l> B, ) D! o a> a ) 1Io.' II '.1 I I I a I I I I I I I Itl.irio L'>a Ir I II I I I I I tl I I t I I T I I I \o a-$ lJ. F 01 { 6\o 5 o\ \o t.J \oljr \o tJ{ \o{ o\ tJu)o m tl lel lal r3li,l' l> Ilrlplp L1 t I t I T T I I I I uCi/L, Dissolved 'ob rd r!,++ o i- :^ '-- :^ :^ i :^ 9g99UVUlnrnlIlErdrdrr,5555555{O\tr5(,)N o (!0 E)? Ocaod O i\i' =o{o8{o. o, *Et(n O o oi *j E' ta 0l I I I r T I I TI II tlII I I T I T I I I I I ! T I I I I I I II I T T I I 00 \ob5 (/r oo (}l \) &=\o 5 o\ \o N) \o(,t \o N){ \o{ o\ tJ(, o uCi\L, Dissolved t I I I T I I I IH I3 I I I t I I T I I rr,+ H!:^ '^ '^ '^ '^ :- :^ '^ :^ '^ :- '- '^ '^vvvvvvvu9u99 vvvvvvvvvuuuuvrr, El El rr, rr, rrl rd rr, rn rd rn rn rr, rrt,L,.:-J-J-15555555o55u)|JO\Ooo-lO\Ur.Eu)N { (! ?(ta!:z aaog o i$,5o{o8{o. l0 6J*Ea .Doo (} -j (} !) oB r o> ) * uCi/L, Suspended |.'ob'o'cb'o'o-a?oooooooo=ElrlldF,rnlrlfrlF,f555555555- <r 6 u s tr |J o :- t^ '^ rdlrlEI,L'Lg O\O I I t t T T I T a (Dop: z Ourot 5'd.i'a) {(D8{o.E OE ta -/(D^: (oao (} *l (! !J m lFl I:Ilullol l>l lFlINJIll,Jlt9l I I I t I I I I I I I (> I T I I .l I I I o > I T I r I ,I T ( >. I I I I rl o a I I o) s alA o *E 6\\t o d--{Go o\ 61 b 90g- { N-A Goo oA € o\ D I I I I ENERGY LABORATORIES, INC. SHIPPING:2393 SALT CBEEK HIGHWAY . CASPER, WY 82601 MAILING: PO. BOX 3258 . CASPEA,W 82602 E-mail: casper@energylab.com . FAX: (307) 234-1639 PHONE: (307) 235-0515 . TOLL FREE: (888) 235-0515 T I I I t t I I l. I Billings . CasPor. Glllottc Helena. Rapld Clty *5, lmh: r:\reports\clients200l\intemtional_uranium_corp\liquidlf.2277-l -xls =*i';^6'q ., *11 s*lpi, resqlls 6i4hia to]" k,, 7){c,fx ^ c{dJ.L a lrni ', ufarqofu*t f^on Ar,^A lJ.S q Ctil, I t:' l, TRACHII{G }.{0. PAGE NO. 32277R00002 Client: Project: Sample ID: Sample Date/Time: Date Received: Sample Matrix: Laboratory ID: Report Date: LABORATORY ANALYSIS REPORT International' Uranium (USA) Corporation 04118/240113:20 May13. 200tr Non-Metals,Me.thod Units Renorting Limit Resrrlts Iotal Dissolved Solids sM 2540-C mslL 10.0 254 fotal Susoended Solids EPA 160.2 melL 1.0 492 Radium Error Estimate COMPLETE ANALYTICAL SERVtCES , t I : li t I T I I I. I : l., I ENERGY LABORATOBIES, INC. SHIPPING:2393 SALT CREEK HIGHWAY . CASPEB' WY 82601 MAILING: P.O. BOX 3258 . CASPER, WY 82602 E-mail: casper@energylab.com . FAX: (307) 234'1639 PHONE: (307) 23s-0515 . TOLL FBEE: (888) 235-0s15 Ii I I I Cr"tlr^riood ) is G-4bf'}]lp'-"h- Billin93. Ca!P6r' Glllott. HelenE. RaPld CltY lnrh: r:\repor(s\clien6200l\international-uranium-corp\liquid\32ZTl-2.xls TRACKII.IG I,IO. PAGE TIO. 3?277R00003 LABORATORY ANALYSIS REPORT Client: International Uranium (USA) Corporation Project: SamPle ID: Sample Date/Time: Date Received: SamPIe Nlatrix: LaboratorY ID: RePort Date: WHIT.E MESA MILL COTTONWOOD 2 04/18/200r 00!00 0412012041fi230 [,iouid- Water 0t-32277-2 Mav 13. 2fi)1 Non-Metals Method Units Renortins Limit Results Toul Dissolved Solids sM 2540-C ms.lL 10.0 < 10.0 Total Susoended Solids EPA 160.2 ms/L 1.0 < 1.0 Radiometrics [Jranium (Susoended)EPA 200.8 melL 0.0003 < 0.0003 Uranium (Dissolved)EPA 200.8 melL 0.0003 < 0 0003 Radium 226 (f[otal)EPA S03_0 oCilL 0.2 < 0.2 Radium Error Estimate t N/A Radium 226 (Dissolved)EPA 903.0 oCilL 0.2 < 0.2 Radhrm Error Estimate t N/A Ihorium-230 (Suspended)EPA 907.0 oCilL 0.2 < v.z ;.'- Eanr E N/A lhorium-230 (Dissolved)EPA 907.0 oCilL o.2 < o.2 Ihorium Error Estimate + --^-^ A laha /'fnral\ N/A EPA 900.1 oCi/L r.0 < 1.0 Alnha Error Estimate +NIA llross Alnha (Dissolved)EPA 900.1 pCilL 1.0 < 1.0 Alnhe Error Estimate +NiA COMPLETE ANALYTICAL SERVICES a Billlngt . CrtPoF Glllott. Helena. Bapld Clty ENERGY LABOBATORIES, INC. SHIPPING:2393 SALT CREEK HIGHWAY . CASPEB, WY 82601 MAILING: PO, BOX 3258 . CASPER, WY 82602 E-mail: casper@energylab.com . FAX: (307) 234-1639 PHONE: (304 23$'051s . TOLL FBEE: (888) 235-051s Client: Project: Sample ID: Sample Date/Time: Date Received: Sample Matrix: Laboratory ID: Report'Date: LABORATORY ANALYSIS REPORT International Uranium (USA) Corporation WHITE MESA IVIILL 0l-32277:j t# fu,L h @a YP N*(o.r- ,CL At{*,*/s is a /u7/;*/u 4 A{i/ I t- "t^ -,^ l.--- ,.\nll:, DaD-Lirn:t e*tt dnoh cafe' ualu +{-t , ,ikt& t.a-s fr 6#*tn'*i,E' lmh: r:\reports\clien!s200t\intetnatioml_uranium_corp\liquid\32277-3.xls TRACKI|'iG ilo. PAGE FIO. 32?77R0000k EPA 903.0 EPA 903.0 COMPLETE AilALYTICAL SERVICES T I I I T ; I', ':] I. I ll I l, :1,I WT t l. I I .I I QUALITY ASSUMNCE REPORT , qITIRNATIONALURANIUM CORPORATION Report Date: May 13, 2001 Non-Metals Method RPD,.Spikez,Ahalyst Date ,lnatyzeO Iotal Dissolved Solids sM 2540-C 0.0 97 tms 04-24-0t Total Suspended Solids EPA 160.2 0.0 lms 04-24-0t NOTES: ( I ) These values are an assessment of analytical precision. The acceptance range is 0-20olo for sample results above I 0 times thereportinglimit. Thisrangeisnotapplicabletosampleswithresultsbelowl0timesthereportinglimit. (2) Thesevaluesareanassessmentofanalytical accuracy- Theyareapercentrecoveryofthespikeaddition. ELlperfoms a matrix spike on l0 percent ofall samples for each analytical method. TRACKIHG X0. P,\Gt N0. 3?277R00005 lmh: r:\repons\clients200l\iniernalional_urmium_corp\tiquid\qa\32277-l-3.xls ,lr ENEBGY LABORATORIES, INC. SHIPPING:2393 SALT CBEEK HIGHWAY . CASPER, WY 82601 MAILING: PO. BOX 32sB . CASPER. wY 82602 E-mail: caspsr@ensrgylab.com . FAX: (307) ?U"1639 PHONE: (307) 235-0515 . TOLL FREE: (888) 23s-051sli T Biltings . CaoPor. Glllotte Helena. Rapld Clty I t _l l' I t I i I 1., l I lnh: r:\reports\clients200l\intemadonal-uranium-corp\liquid\32053-l.xls li I I l I TRA.c[t]iG lio. P,I.GE t'to. GoMPLETE ANALYTIGAL sERvlGEs 3 2 0 5 3 R0 0 0 0 2 t burnrr.E r E ANAL, I rv^b g-'rr I LABORATORY ANALYSN REPORT Client:,International Uranium (USA) Corporation Project: Sample ID: Sample DateiTime: bate Received: Sample ilIatrix: Laboratory ID: Report Date: Blanriinp- IItah WESTWATER 1 041061200109:5A 04/09/2001 10:30 [-iouid. Water 01-32053:1 Mav 17. 2001 Non-Metals,Method Units Renortins [,imit Results Iotal Dissolved Solids sM 2540-C ms.lL 10.0 608 Iotal .Susoended Solids EPA 160.2 ms.lL r.0 3.3 Radiometrics Llranium (Susoended)EPA 200.8 ms.lL 0.0003 0.0003 .Jranium (Dissolved)EPA 200.8 mslL 0.0003 0.0035 Radium 226 (Total\EPA 903.0 oCilL 0.2 < o.2 ladium Error Estimate +N/A Radium 226 (Dissolved)EPA 903.0 nCi/L 0.2 < 0.2 ladium Error Estimate +N/A Thorin m-?,iO {.Susnended)EPA 907.0 oCjlL 0.2 < 0.2 rorium Error Estimate +N/A l-hnrinm-230 (I)i ssolved)EPA 907.0 oCilL 0.2 < 0.2 I'horium Error Estimate t N/A Sross Alpha (Total)EPA 900.1 pCi/L 1.0 2.0 Aloha Error Estimate +.3 Sross Alpha (Dissolved)EPA 900.1 oCilL 1.0 < 1.0 Aloha Error Estimate +N/A t I T t I ENEHGY LABORATORIES, INC. SHIPPING:2393 SALT CREEK HIGHWAY . CASPEH, WY 82601 MAILING: P.O. BOX 3258 . CASPEH, WY 82602 E-maiL casper@energylab.com . FAX: (307) 234-1639 PHONE: (307) 235-0515 . TOLL FREE: (888) 23s-0515 T I I t I I t l" T Bllling! . CalPor. Glllott. Helena. Rapld Clly lmh: r:\repors\clients200l\inaernational-uranium-corp\liquid\32053-2.xls I., I I l' I TRACT{li'lG ii0. P/'\GE }10' 32053R00. 0lJ LABORATORY ANALYSIS REPORT Client: International Uranium [USA) Corporation Project: Sample ID: Sample Date/Time: Date Received: Sample Matrix: Laboratory ID: Report Date: Non-Metafs.,MCthod,I Inits Renortins Limit Results Total Dissolved Solids .sM 2-54&C mplL 10.(609 Total Suspended Solids EPA 160.2 mglL 1.0 2.7 Radiometr:irs Uranium (Suspended)EPA 200.8 ms,lL 0.0003 < 0.0003 Irenirrm /l)issolved)EPA 200.8 ms,lL 0.0003 0.0035 Radium 226 (Toral\EPA 903.0 oCilL 0.2 < o.2 Radium Error Estimate +N/A Radium 226 (Dissolved)EPA 903.0 oCilL 0.2 < o.2 Radium Error Estimate +N/A I'horium-230 (Susoended)F_PA S07_0 oCilL o.2 < 0.2 fhorirrm Error Estimate +N/A rorium-230 (Dissolved)EPA 907.0 oCilL 0.2 < 0.2 Ihorium Error Estimate +N/A llross Aloha (Total)EPA 900.1 pCi/L 1.0 2.1 Alnha Error Estimate +1.3 3ross Aloha (Dissolved)EPA 900.1 DCLIL 1.0 < 1.0 Alnha Error Estimate *N/A COMPLETE ANALYTICAL SERVICES LABORATORY ANALYSIS REPORT Client: Internatioual Uranium (USA) Corporation Project: Sample ID: Sample Date/Time: DateReceived',..::::..::.:',:,,, Sample Matrix: . Laboratory ID: Report Date: Blandine. Utah WEST WATER 3 0414612001ll:04 04t09t200t t0:3a Liouid. Water 0r-32053-3 Mav 17. 2001 TAif if<'g\r.d gillings . Caspcr. Glllctt. Helena. Bepld C,ty lmh: r:\reports\clients2ool\intemadonal uranium_corpuiquid\32053-3.xls ENEBGY LABOBATORIES, INC. SHIPPING:2393 SALT CREEK HIGHWAY . CASPEB, WY 82601 MAILING: P.O. BOX 3258 . CASPER, WY 82602 E-mail: casper@energylab.com . FAX: (307) 234-1639 PHONE: (304 85-0515 . TOLL FREE: (888) 235-0515 TRA.CitlilG l'{0- PAGE l'10' sERvrcEs 3 Z 0 5 3 R0 0.ii C Lr Non-Metals Method I Inits Rpnorting Limit Results Iotal Dissolved Solids SM 254GC mulL 10.0 < 10.0 Total Susoended Solids EPA 160.2 melL 1.0 1.6 Uranium (Susoended)EPA 200.8 mslL 0.0003 < 0.0003 Iranhrm fDissolved)EPA 2M.8 mplL 0.0003 < 0.0003 Radium 226 ffotal\EPA 903.0 nCilL 0.2 < 0.2 Radium Error Estimate t N/A Radium 226 (Dissolved)EPA 903.0 oCilL 0.2 < o.2 Radium Error Estimate I N/A fhorium-23O (Susoended)EPA 907.0 oC-ilL 0.2 < o.2 horium Error Estimate +N/A Ihorium-230 (Dissolved)EPA 907.0 oCilL 0.2 < 0.2 fhorium Error Estimate *N/A Sross Aloha (Total)EPA 900.1 oCilL 1.0 < l-0 Aloha Error Estimate *N/A 3ross Aloha (Dissolved)EPA 9M.1 oCilL 1.0 < 1.0 {loha Error Estimate +N/A GOTIPLETE ANALYTICAL t ENEBGY LABOBATORIES, INC. SHIPPING:2393 SALT CREEK HIGHWAY ' CASPEB, WY 82601 MAILING: PO. BOX 32s8 . CASPER. WY 82602 E-mail: casper@€nergylab.com . FAx: (307) 234'1639 PHONE: (307) 235-0s1s . TOLL FBEE: (888) 235-0515Billing. . Casp€r. Gllletto Helenr. Rapld Clty lmh: r:\reporrs\clienrs200l\international_uranium_corp\liquid\32053-4.xls TRACilI:'lG ii0. i],1GE N0. sERvrcES32053R00C05 Client: Project: Sample ID: Sample Date/Time: Date Received: Sample Matrix: Laboratory'ID:' Report'Date: , International Uranium (USA) Corporation WEST WATER4 . Non-Metals MPth;ii{Units Reoortine Limit .II'e(rrllc fotal Dissolved Solids sM 2540-C mslL 10.0 585 fotal Suspended Solids EPA 160.2 ms.lL 1.0 < 1.0 Radi0metrics []ranium (Susoended)EPA 200.8 mplL 0.0003 < 0.oo03 Uranium (Dissolved)EPA 200.8 mzlL 0.0003 0.0036 Radium 226 ffotal\EPA 903.0 oCilL 0.2 < 0.2 Radium Error Estimate +N/A Radium 226 (Dissolved)EPA S03.0 oCilL 0.2 < 0.2 adium Error Estimate +N/A lhorium-230 (Suspended)EPA 9O7 O oCilL 0.2 < 0.2 Ihorium Error Estimate *N/A fhorium-230 (f)issolved)EPA 907.0 OCIIL 0.2 < 0.2 Ihorium Error Estimate +N/A iross Aloha (Total)EPA 900.1 DCLIL 1.0 < 1.0 Aloha Error Estimate +N/A Gross Aloha (Dissolved)EPA 900.1 oCilL 1.0 < 1.O Aloha Error Estimate *N/A COiIPLETE ANALYTICAL @g I I li I QUATITY ASSURANCE REPORT N{TERI'JATIONAL URANILM CORPORATION Laboratory ID Range: 01-32053-l-4 ' ' Report Date: May 17,zWL ,t; I I . T T t I I I T l. I Non-Metals Method ,'RPDI,Spikez Analyst Date Analrzed Total Dissolved Solids sM 2540-C 0.2 100 rwk 04-13-01 fotal Suspended Solids EPA 160.2 0.0 lms &1-1601 NOTES: (l) Thesevatuesareanassessmentofanalyicalprecision. Theacceptancerangeis0-20o/oformmpleresultsabovel0times the reporting limit. This range is not applicable to samples with results below l0 times the reporting limit. (2) Thesevaluesareanassessmentofanalyticalaccuracy. Theyareapercentrecoveryofthespikeaddition. ELlperfoms a matrix spike on l0 percent ofall samples lbr each analytical method. TRACKI}IE IiO. PAGE HO. 32A53R00006 I' t. t l.' Itrfi: r:\reports\clients200l\iniermrioml_umium_corpuiquid\qa\32053- l-4.xls