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ENEAGYLABOHATOH/ES, INC. -2393 Salt Creek Highway (82601) • P.O. Box 3258 • Casper WY82602 <br />Toll Free 888 235 0515 • 307 235 0515 • Fax 307.234.1639 - casperQenergy/ab.com - www.energy/ab.com <br />AV4RML2U&rLwJ&ff" <br />LABORATORY ANALYTICAL REPORT <br />Client: Denison Mines (USA) Corp <br />Project: Sunday MineNan 4 <br />Lab ID: C08090686-014 <br />Client Sample ID: DM-WSWR-2 <br />Report Date: 10/27/08 <br />Collection Date: Not Provided <br />DateReceived: 09/17/08 <br />Matrix: Solid <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />AGRONOMIC PROPERTIES <br />Moisture <br />Lime as CaC03 <br />ACID-BASE POTENTIAL <br />Neutralization Potential <br />Acid Potential <br />Acid/Base Potential <br />SULFUR FORMS <br />Sulfur, Total <br />Sulfur, Hot Water Extractable <br />Sulfur, HCI Extractable <br />Sulfur, HN03 Extractable <br />Sulfur, Residual <br />MAJOR IONS - MWMP EXTRACTABLE <br />Calcium <br />Chloride <br />Fluoride <br />Magnesium <br />Nitrogen, Ammonia as N <br />Nitrogen, Nitrate as N <br />Nitrogen, Nitrate+Nitrite as N <br />Nitrogen, Nitrite as N <br />Sulfate <br />4.7 % 0.1 USDA26 09/19108 10:04 / lb <br />6.3 % 0.1 USDA23c 0923/08 13:00 / eli-h <br />63 tlkt Sobek Modifie 0923/08 13:00 / eli-h <br />0 t/kt 0.3 Sobek Modifie 09/25/08 12:00 / eli-h <br />63 t/kt Sobek Modifie 0925/08 12:00 / eli-h <br />ND % 0.01 Sobek Modifie 09/30/08 11:00 / eli-h <br />ND % 0.01 Sobek Modifie 09/30/08 11:00 / eli-h <br />ND % 0.01 Sobek Modifie 09/30/08 11:00 / eli-h <br />ND % 0.01 Sobek Modifie 09/30108 11:00 / eli-h <br />ND % 0.01 Sobek Modifie 09/30/08 11:00 / eli-h <br />172 mg/L 1 E200.7 10/13/08 15:23 / cp <br />1260000 ug/L 1000 E300.0 10/20/08 16:46 / Ijl <br />580 ug/L 100 A4500-F C 10/10/08 12:30 / Ijl <br />28 mg/L 1 E200.7 10/13/08 15:23 / cp <br />580 ug/L 30 A4500-NH3 G 10/14108 12:16 / jai <br />18900 ug/L 50 E353.2 10/17/08 14:19 / sec <br />20800 ug/L 50 E353.2 10/13/08 14:39 / jai <br />1900 ug/L 100 A4500-NO2 B 10/10/08 12:16 /jal <br />189000 ug/L 1000 E300.0 10/17108 07:30 / Ijl <br />PHYSICAL PROPERTIES - MWMP EXTRACTABLE <br />Conductivity 4700 umhos/cm <br />Hardness as CaC03 545 mg/L <br />pH 8.63 s.u. <br />Solids, Total Dissolved TDS @ 180 C 2620000 ug/L <br />METALS - MWMP EXTRACTABLE <br />Aluminum ND ug/L <br />Antimony 2 ug/L <br />Arsenic 140 ug/L <br />Barium 209 ug/L <br />Beryllium ND ug/L <br />Boron 170 ug/L <br />Cadmium 9 ug/L <br />Chromium ND ug/L <br />Cobalt 2 ug/L <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality control limit. <br />• <br />MDC - Minimum detectable concentration <br />1 A2510 B 10/14/08 13:58 / dd <br />1 A2340 B 10/14/08 10:24 / kbh <br />0.01 A4500-H B 10/14/08 13:58 / dd <br />10000 A2540 C 10/13/08 08:40 / jah <br />100 E200.8 10/10/08 17:49 / sml <br />1 E200.8 10/10/08 17:49 / sml <br />1 E200.8 10/13/08 22:20 / is <br />1 E200.8 10/10/08 17:49 / sml <br />1 E200.8 10113/08 22:20 / is <br />100 E200.7 10/13/08 15:23 / cp <br />1 E200.8 10/10/08 17:49 / sml <br />1 E200.8 10/10108 17:49 / sml <br />1 E200.8 10/10/08 17:49 / sml <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit.