2009-05-19_REVISION - M1977416 (29)

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ENEROYLABOHAWRIES, INC. • 2393 Salt Creek Highway (82601)-Po. Box 3258. Casper, wY82602 Toll Free 888.235.0515 • 307 235 0515 • Fax 307.234.1639 • casper@energy/ab. com • www energy/,7b. -om &rALzL#A--01rfMff4LW LABORATORY ANALYTICAL REPORT Client: Denison Mines (USA) Corp Report Date: 10/27/08 Project: Sunday Mine/Van 4 Collection Date: Not Provided Lab ID: C08090686-012 DateReceived: 09/17/08 Client Sample ID: DM-SJWR-3 Matrix: Solid Analyses Result Units Qualifiers RL MCL/ QCL Method Analysis Date / By METALS - MWMP EXTRACTABLE Copper 1 ug/L 1 E200.8 10/08108 14:21 / sml Iron ND ug/L 30 E200.7 10/13/08 15:15 / cp Lead ND ug/L 1 E200.8 10/08/08 14:21 / sml Lithium 147 ug/L 100 E200.7 10113/08 15:15 / cp Manganese ND ug/L 1 E200.8 10/08/08 14:21 / sml Mercury ND ug/L 1 E245.1 10/14/08 21:18 / eli-b Molybdenum 695 ug/L 1 E200.8 10/08/08 14:21 / sml Nickel 1 ug/L 1 E200.8 10/08/08 14:21 / sml Selenium 1060 ug/L 1 E200.8 10/08/08 14:21 / sml Silver ND ug/L 1 E200.8 10/08108 14:21 / sml Thallium ND ug/L 1 E200.8 10/08/08 14:21 / sml Uranium 64 ug/L 1 E200.8 10/08/08 14:21 / sml Vanadium 5840 ug/L 1 E200.8 10/08/08 14:21 / sml Zinc 50 ug/L 1 E200.8 10/08/08 14:21 / sml METALS - MWMP EXTRACTABLE TOTAL RECOVERABLE Mercury ND ug/L 1 E245.1 10/15/08 09:38 / eli-b METALS - TOTAL • Aluminum 9110 mg/kg-dry 0.5 SW6010B 09/23/08 04:04 / cp Antimony ND mg/kg-dry 0.5 SW6020 09/23/08 02:19 / is Arsenic 1.9 mg/kg-dry 0.5 SW6020 09/23/08 02:19 / is Barium 90.7 mg/kg-dry 0.5 SW6010B 09/23/08 04:04 / cp Beryllium ND mg/kg-dry 0.5 SW6020 09/23/08 02:19 / is Boron ND mg/kg-dry 6.3 SW6010B 09/23/08 04:04 / cp Cadmium 0.5 mg/kg-dry 0.5 SW6020 09/23/08 02:19 / is Calcium 39400 mg/kg-dry 20.0 SW6010B 09/23/08 04:04 / cp Chromium 5.4 mg/kg-dry 0.5 SW6020 09/23/08 02:19 / is Cobalt 3.1 mg/kg-dry 0.5 SW6020 09/23/08 02:19 / is Copper 9.1 mg/kg-dry 0.5 SW6020 09/23/08 02:19 / is Iron 9670 mg/kg-dry 5.0 SW6010B 09/23/08 04:04 / cp Lead 10.2 mg/kg-dry 0.5 SW6020 09/23/08 02:19 / is Lithium 12.1 mg/kg-dry 10.0 SW6010B 09/23/08 04:04 / cp Magnesium 5760 mg/kg-dry 15.0 SW6010B 09123108 04:04 / cp Manganese 233 mg/kg-dry 0.5 SW6010B 09/23/08 04:04 / cp Mercury ND mg/kg-dry 0.05 SW7471A 10/08/08 15:48 / ae Molybdenum 0.6 mg/kg-dry 0.5 SW6020 09/23/08 02:19 / is Nickel 7.6 mglkg-dry 0.5 SW6020 09/23/08 02:19 / is Phosphorus 936 mg/kg-dry 10.0 SW60108 09/23/08 04:04 / cp Potassium 3360 mg/kg-dry 25.0 SW6010B 09/23/08 04:04 / cp Selenium 4.6 mg/kg-dry 0.5 SW6020 09/23/08 02:19 / is Silica 537 mg/kg-dry 64.2 SW6010B 09/23/08 04:04 / cp Silver ND mg/kg-dry 0.5 SW6020 09/23/08 02:19 / 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 •