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ENEROYLABORATOR/ES, INC. • 2393 Sall Creek Highovay (826011 • P.O. BOX 3298 - Casper, WY82602 <br />To// Free 888 235 05f5 - 307.235.0515 - Fax J07234 1639 • casper®energy/ab.cum - www.energy/ab.com <br />LABORA <br />Client: Denison Mines (USA) Corp <br />Project: Sunday Mine/Van 4 <br />Lab ID: C08090686-016 <br />Client Sample ID: DM-V4WR-1 <br />INALYTICAL REPORT <br />Report Date: 10/27/08 <br />Collection Date: Not Provided <br />DateRecelved: 09/17/08 <br />Matrix: Solid <br />Analyses Result Un <br />AGRONOMIC PROPERTIES <br />Moisture 4.8 % <br />Lime as CaC03 6.4 % <br />ACID-BASE POTENTIAL <br />Neutralization Potential 64 t/kt <br />Acid Potential 1 tlkt <br />Acid/Base Potential 63 tlkt <br />SULFUR FORMS <br />Sulfur, Total 0.03 % <br />Sulfur, Hot Water Extractable NO % <br />Sulfur, HCl Extractable NO % <br />Sulfur, HN03 Extractable 0.03 % <br />Sulfur, Residual NO % <br />MAJOR IONS - MWMP EXTRACTABLE <br />Calcium 163 mg/L <br />Chloride ND ug/L <br />Fluoride 750 ug/L <br />Magnesium 51 mg/L <br />Nitrogen, Ammonia as N NO ug/L <br />Nitrogen, Nitrate as N 3070 ug/L <br />Nitrogen. Nitrate+Nitrite as N 3080 ug/L <br />Nitrogen, Nitrite as N NO ug/L <br />Sulfate 538000 ug/L <br />PHYSICAL PROPERTIES - MWMP EXTRACTABLE <br />Conductivity 1140 umhosi <br />Hardness as CaC03 617 mg/L <br />pH 8.03 s.u. <br />Solids, Total Dissolved TDS @ 180 C 866000 ug/L <br />METALS - MWMP EXTRACTABLE <br />Aluminum NO ug/L <br />Antimony 6 ug/L <br />Arsenic 234 ug/L <br />Barium 39 ug/L <br />Beryllium NO ug/L <br />Boron NO ug/L <br />Cadmium NO ug/L <br />Chromium NO ug/L <br />Cobalt 3 ug/L <br />MCLI <br />Qualifiers RL QCL Method Analysis Date / By <br />0.1 USDA26 09/19/08 10:05 / lb <br />0.1 USDA23c 09/23/08 13:00 / eli-h <br /> Sobek Modifie 09/23/08 13:00 / ell-h <br />0.3 Sobek Modifie 09/2510812:00 / eli-h <br /> Sobek Mode 09/2510812:00 / eli-h <br />0.01 Sobek Modifie 09/30/08 11:00 / eli-h <br />0.01 Sobek Mode 09/30/08 11:001 eli-h <br />0.01 Sobek Modifie 09/30/08 11:00 / eli-h <br />0.01 Sobek Modifle 09/30/08 11:00 / eli-h <br />0.01 Sobek Modifie 09/30/08 11:00 / eli-h <br />1 E200.7 10/13/08 15:40 / cp <br />1000 E300.0 10/17108 07:59 / Ijl <br />100 A4500-F C 10/10/08 12:35 / Ijl <br />1 E200.7 10/13/08 15:40 / cp <br />30 A4500-NH3 G 10114/08 12:221 jai <br />50 E353.2 10/17/08 14:19 / sec <br />50 E353.2 10/13/08 15:12 1jal <br />100 A4500-N02 B 10/10/08 12:171 jal <br />1000 E300.0 10/17/08 07:59 / Iji <br />1 A2510 B 10114/08 14:04 / dd <br />1 A2340 B 10/16MB 10:41 / kbh <br />0.01 A4W0-H B 10/14/08 14:04 / dd <br />10000 A2540 C 10/13/08 08:41 / jah <br />100 E200.8 10/10/08 18:15 / sml <br />1 E200.8 10110/08 18:151 sml <br />1 E200.8 10/24/08 14:18 ! is <br />1 E200.8 10/10/0818:15 / sml <br />1 E200.8 10/15108 14:26 / sml <br />100 E200.7 10113/08 15:40 / cp <br />1 E200.8 10/10/08 18:15 / smi <br />1 E200.8 10/15/0814:26 / sml <br />1 E200.8 10/10/0818:15 / sml <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality control limit. <br />MDC - Minimum detectable concentration <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />?J <br />• <br />