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ENERGYLABORATOR/ES, INC. - 2393 Salt Creek Highway (82601), P.O. Box 3258 • Casper, WY82602 <br />roll Free 888.235.0515 - 307 235 0515 • Fax 307.234.1639 - casper@energy/ab.com - www.energy/ab.com <br />LABORATORY ANALYTICAL REPORT <br />• Client: Denison Mines (USA) Corp <br />Project: Sunday MineNan 4 <br />Lab ID: C08090686-010 <br />Client Sample ID: DM-SJWR-1 <br />Report Date: 10/27/08 <br />Collection Date: Not Provided <br />DateReceived: 09/17/08 <br />Matrix: Solid <br />MCU <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date I 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 />12.4 % 0.1 USDA26 09119/08 10:02 / lb <br />27,1 % 0.1 USDA23c 09/23/08 13:00 / eli-h <br />271 Ukt Sobek Modifie 09/23/08 13:00 / eli-h <br />0 Ukt 0.3 Sobek Modifie 0925/08 12:00 / eli-h <br />271 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 Modirie 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 />59 mg/L 1 E200.7 10/13/08 15:07 / cp <br />53600 ug/L 1000 E300.0 10/08/08 19:27 / Ijl <br />980 ug/L 100 A4500-F C 10/10/08 11:08 / Ijl <br />25 mg/L 1 E200.7 10/13/08 15:07 / cp <br />3940 ug/L 30 A4500-NH3 G 10/14/08 12:08 / jai <br />120000 ug/L 50 E353.2 10/17108 14:19 / sec <br />121000 ug/L 50 E353.2 10/13108 14:54 / jai <br />859 ug/L 100 A4500-NO2 B 10/10/08 12:14 /jai <br />96300 ug/L 1000 E300.0 10/08/08 19:27 / Ijl <br />PHYSICAL PROPERTIES - MWMP EXTRACTABLE <br />Conductivity 1630 umhos/cm <br />Hardness as CaC03 248 mg/L <br />pH 8.61 s.u. <br />Solids, Total Dissolved TDS @ 180 C 1140000 ug/L <br />METALS - MWMP EXTRACTABLE <br />Aluminum ND ug/L <br />Antimony 1 ug/L <br />Arsenic 17 ug/L <br />Barium 125 ug/L <br />Beryllium ND ug/L <br />Boron 191 ug/L <br />Cadmium ND ug/L <br />Chromium ND ug/L <br />Cobalt 3 ug/L <br />1 A2510 B 10/07/08 15:58 / dd <br />1 A2340 B 10/14/08 10:24 / kbh <br />0.01 A4500-H B 10/07/08 15:58 / dd <br />10000 A2540 C 10/08/08 09:23 /jah <br />100 E200.7 10/13/08 15:07 / cp <br />1 E200.8 10/08/08 13:47 / sml <br />1 E200.8 1024/08 13:51 / is <br />1 E200.8 10/08/08 13:47 / sml <br />1 E200.8 10/08/08 13:47 / sml <br />100 E200.7 10/13/08 15:07 / cp <br />1 E200.8 10/08/08 13:47 / sml <br />1 E200.8 10/08/08 13:47 / sml <br />1 E200.8 10/08/08 13:47 / 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.