2009-05-19_REVISION - M1977416 (29)

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ENEROYLABORATOR/ES, INC. -2393 Salt Creek Highway (82601) - P.O. Box 3258 -Casper WY82802 Toll Free 8882350515 - 3072350515 -fax 307.234.1639 - casper0energy1ab.com - www.energylab.com LABORATORY ANALYTICAL REPORT • Client: Denison Mines (USA) Corp Report Date: 10127/08 Project: Sunday MineNan 4 Collection Date: Not Provided Lab ID: C08090686-011 DateReceived: 09/17/08 Client Sample ID: DM-SJINR-2 Matrix: Solid -- Analyses Result Units Qualifiers RL MCL/ QCL Method Analysis Date I By METALS - MWMP EXTRACTABLE 5 ug/L 1 E200.8 10114/08 14:23 / sml Copper ND ug/L 30 E200.7 10/13/08 15:111 cp Iron 5 ug/L 1 E200.8 10/14/08 14:23 / sml Lead ND ug/L 100 E200.7 10/13/08 15:111 cp Lithium 1 ug/L 1 E200.7 10/13/08 15:111 cp Manganese ND ug/L 1 E245.1 10/14/08 21:16 / eli-b Mercury Molybdenum 144 ug/L 1 E200.8 10/14/08 14:23 / sml Nickel ND ug/L 1 E200.8 10/14/08 14:23 / sml Selenium 440 ug/L 1 E200.8 10/14/08 14:23 / sml Silver ND ug/L 1 E200.8 10/14/08 14:23 / sml Thallium ND ug/L 1 E200.8 10/14/08 14:23 / sml Uranium 24 ug/L 1 E200.8 10114/08 14:23 / sml Vanadium 654 ug/L 1 E200.7 10/13/08 15:111 cp Zinc 99 ug/L 1 E200.8 10/14/08 14:23 / sml METALS - MWMP EXTRACTABLE TOTAL RECOVERABLE Mercury ND ug/L 1 E245.1 10/15108 09:35 / eli-b • METALS-TOTAL Aluminum 10400 mg/kg-dry 0.5 SW6010B 09/23/08 03:48 / cp Antimony ND mg/kg-dry 0.5 SW6020 09/23/08 02:13 / is Arsenic 3.3 mg/kg-dry 0.5 SW6020 09/23/08 02:13 / is Barium 84.0 mg/kg-dry 0.5 SW6020 09/23/08 02:13 / is Beryllium ND mg/kg-dry 0.5 SW6020 09/23/08 02:13 / is Boron ND mg/kg-dry 7.8 SW6010B 09/23/08 03:48 / cp Cadmium 0.5 mg/kg-dry 0.5 SW6020 09/23/08 02:13 / is Calcium 46600 mg/kg-dry 25.0 SW60108 09/23/08 03:48 / cp Chromium 6.4 mg/kg-dry 0.5 SW6020 09/23/08 02:13 / is Cobalt 3.9 mg/kg-dry 0.5 SW6020 09/23/08 02:13 / is Copper 19.8 mg/kg-dry 0.5 SW6020 09/23/08 02:13 / is Iron 11600 mg/kg-dry 6.0 SW6010B 09/23/08 03:48 / cp Lead 13.5 mg/kg-dry 0.5 SW6020 09/23/08 02:13 Its Lithium 14.6 mg/kg-dry 10.0 SW6010B 09/23108 03:48 / cp Magnesium 7010 mg/kg-dry 16.0 SW6010B 09/23/08 03:48 / cp Manganese 268 mg/kg-dry 0.5 SW6010B 09/23/08 03:48 / cp Mercury ND mg/kg-dry 0.05 SW7471A 10/08/08 15:37 / ae Molybdenum 4.9 mg/kg-dry 0.5 SW6020 09/23/08 02:13 / is Nickel 8.8 mg/kg-dry 0.5 SW6020 09/23/08 02:13 / is Phosphorus 969 mg/kg-dry 10.0 SW6010B 09/23/08 03:48 / cp Potassium 3700 mg/kg-dry 31.0 SW6010B 09/23/08 03:48 / cp Selenium 6.2 mg/kg-dry 0.5 SW6020 09/23108 02:131 is Silica 655 mg/kg-dry 74.9 SW6010B 09/23108 03:48 / cp Silver ND mg/kg-dry 0.5 SW6020 09/23/08 02:13 / is Report RL - Analyte reporting limit. MCL - Maximum contaminant level. . Definitions: QCL - Quality control limit. MDC - Minimum detectable c oncentrati on ND - Not detected at the reporting limit.