2009-05-19_REVISION - M1977416 (29)

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ENERGYLABORATOR/ES, INC. • 2393 Salt Creek Highway (82601) • P.O. Box 3258 -Casper WY82602 Toll Free 888 235 0515 - 307 235 0515 • Fax 307.234.1639 - casper0energy1ab. com - www energy/ab. com LABORATORY ANALYTICAL REPORT Client: Denison Mines (USA) Corp Report Date: 10/27/08 • Project: Sunday Mine/Van 4 Collection Date: Not Provided Lab ID: C08090686-002 DateReceived: 09/17/08 Client Sample ID: DM-ORE-2 Matrix: Solid Analyses Result Units Qualiflers RL Mcu QCL Method Analysts Date/ By METALS - MWMP EXTRACTABLE Copper 3 ug/L 1 E200.8 09/30/08 14:39 / is Iron ND ug/L 30 E200.7 10101/08 18:01 / cp Lead 1 ug/L 1 E200.8 09130/08 14:39 / is Lithium ND ug/L 100 E200.7 10/01/08 18:01 / cp Manganese 29 ug/L 1 E200.8 09/30/0814:391 is Mercury ND ug/L 1 E245.1 10/14/08 20:451 eli-b Molybdenum 4560 ug/L 1 E200.8 09/30108 14:39 / is Nickel 4 ug/L 1 E200.8 09/30/08 14:39 / is Selenium 7740 ug/L 1 E200.8 09/30108 14:39 / is Silver ND ug/L 1 E200.8 09130/08 14:39 / is Thallium ND ug/L 1 E200.8 09/30/08 14:391 is Uranium 55 ug/L 1 E200.8 09/30/08 14:39 / is Vanadium 46900 ug/L 1 E200.8 09/30/08 14:391 is Zinc 19 ug/L 1 E200.8 09/30/08 14:39 / is METALS - MWMP EXTRACTABLE TOTAL RECOVERABLE Mercury ND ug/L 1 E245.1 10/15108 09:05 / eli-b METALS - TOTAL Aluminum 13200 mg/kg-dry 0.5 SW6010B 09/23/08 02:59 ! cp Antimony ND mg/kg-dry 0.5 SW6020 09/23/08 00:45 / is Arsenic 22.8 mg/kg-dry 0.5 SW6020 09/23108 00:45 / is Barium 268 mg/kg-dry 0.5 SW6020 09/23/08 00:45 / is Beryllium 0.7 mg/kg-dry 0.5 SW6020 09/23/08 00:45 / is Boron ND mg/kg-dry 7.9 SW6010B 09/23/08 02:59 / cp Cadmium 11.7 mg/kg-dry 0.5 SW6020 09/23/08 00:45 ! is Calcium 22400 mg/kg-dry 25.0 SW6010B 09/23/08 02:59 / cp Chromium 6.1 mg/kg-dry 0.5 SW6020 09/23/08 00:45 / is Cobalt 6.5 mg/kg-dry 0.5 SW6020 09/23108 00:45 / is Copper 17.4 mg/kg-dry 0.5 SW6020 09/23/08 00:45 ! is Iron 10100 mg/kg-dry 6.0 SW6010B 09/23/08 02:59 ! cp Lead 31.4 mg/kg-dry 0.5 SW6020 09/23/08 00:45 / is Lithium 23.2 mg/kg-dry 10.0 SW6010B 09/23/08 02:59 / cp Magnesium 8460 mg/kg-dry 5.0 SW6010B 09/23108 02:59 / cp Manganese 137 mg/kg-dry 0.5 SW6010B 09/23/08 02:59 / cp Mercury 0.13 mg/kg-dry 0.05 SW7471A 10/03/08 16:11 / ae Molybdenum 36.2 mg/kg-dry 0.5 SW6020 09/23/08 00:45 / is Nickel 8.7 mg/kg-dry 0.5 SW6020 09/23/08 00:45 / is Phosphorus 682 mg/kg-dry 10.0 SW6010B 09/23/08 02:59 / cp Potassium 2840 mg/kg-dry 31.0 SW6010B 09/23/08 02:59 / cp Selenium 92.5 mg/kg-dry 0.5 SW6020 09/23/08 00:45 / is Silica 721 mg/kg-dry 74.9 SW6010B 09/23/08 02:59 / cp Silver ND mg/kg-dry 0.5 SW6020 09/23108 00:45 / is Report RL - Analyte reporting limit. MCL - Maximum contaminant level. Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit . MDC - Minimum detectable concentrati on •