2009-05-19_REVISION - M1977416 (29)

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ENERGY LABORATORIES, INC. -2393 Salt Creek Highway (82601) - P.O. Box 3258- Casper WY82602 Toll Free 888.235.0515 • 307.235.0515 - Far 307.234.1639 - csper@energylab. 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: C08090686-008 DateReceived: 09/17/08 Client Sample ID: DM-SVWR-2 Matrix: Solid Analyses Result Units Qualifiers RL MCU QCL Method Analysis Date / By METALS - MWMP EXTRACTABLE Copper 2 ug/L 1 E200.8 10/03/08 15:16 / is Iron ND ug/L 30 E200.7 10/13108 14:47 / cp Lead ND ug/L 1 E200.8 10103/08 15:16 / is Lithium ND ug/L 100 E200.7 10/13108 14:47 / cp Manganese 6 ug/L 1 E200.8 10/03/08 15:16 / is Mercury ND ug/L 1 E245.1 10114/08 21:09 / eli-b Molybdenum 951 ug/L 1 E200.8 10/03/08 15:16 / is Nickel 3 ug/L 1 E200.8 10103/08 15:16 / is Selenium 1610 ug/L 1 E200.8 10/03/08 15:16 / is Silver ND ug/L 1 E200.8 10/03/08 15:16 / is Thallium ND ug/L 1 E200.8 10/03/08 15:16 / is Uranium 10 ug/L 1 E200.8 10/03/08 15:16 / is Vanadium 24600 ug/L 1 E200.8 10/08/08 13:20 / sml Zinc 7 ug/L 1 E200.8 10/03/08 15:16 / is METALS - MWMP EXTRACTABLE TOTAL RECOVERABLE Mercury ND ug/L 1 E245.1 10/15/08 09:28 / eli-b METALS - TOTAL Aluminum 12000 mg/kg-dry 0.5 SW6010B 09/23/08 03:35 / cp Antimony ND mg/kg-dry 0.5 SW6020 09/23/08 01:25 / is Arsenic 9.5 mg/kg-dry 0.5 SW6020 09/23/08 01:25 / is Barium 142 mg/kg-dry 0.5 SW6010B 09/23/08 03:35 / cp Beryllium ND mg/kg-dry 0.5 SW6020 09/23/08 01:25 / is Boron ND mg/kg-dry 7.0 SW6010B 09/23/08 03:35 / cp Cadmium 4.1 mg/kg-dry 0.5 SW6020 09/23/08 01:25 / is Calcium 23300 mg/kg-dry 20.0 SW6010B 09/23/08 03:35 / cp Chromium 5.8 mg/kg-dry 0.5 SW6020 09/23/08 01:25 / is Cobalt 3.2 mg/kg-dry 0.5 SW6020 09/23/08 01:25 / is Copper 13.2 mg/kg-dry 0.5 SW6020 09/23/08 01:25 / is Iron 8090 mg/kg-dry 5.0 SW6010B 09/23/08 03:35 / cp Lead 28.6 mg/kg-dry 0.5 SW6020 09/23/08 01:25 / is Lithium 20.0 mg/kg-dry 10.0 SW6010B 09/23/08 03:35 / cp Magnesium 8560 mg/kg-dry 15.0 SW6010B 09/23/08 03:351 cp Manganese 180 mg/kg-dry 0.5 SW6020 09123/08 01:251 is Mercury 0.05 mg/kg-dry 0.05 SW7471A 10/03/08 16:35 / as Molybdenum 4.9 mg/kg-dry 0.5 SW6020 09/23/08 01:25 / is Nickel 5.1 mg/kg-dry 0.5 SW6020 09/23/08 01:25 / is Phosphorus 614 mg/kg-dry 10.0 SW6010B 09/23/08 03:35 / cp Potassium 1580 mg/kg-dry 30.0 SW6010B 09/23108 03:35 / cp Selenium 17.0 mg/kg-dry 0.5 SW6020 09/23/08 01:25 / is Silica 482 mg/kg-dry 66.3 SW6010B 09/23/08 03:35 / cp Silver ND mg/kg-dry 0.5 SW6020 09/23/08 01:25 / 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 concentration 0