2009-05-19_REVISION - M1977416 (29)

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ENERGYLABONATON/ES, INC. -2393 Salt Creek Highway (82601) - P.O. Box 3258 • Casper WY82602 ro/t Free 888.235.0515 - 307.235.0515 • Fax 307.234.1639 • casper@energytab. com • www. energytab. com AREEMMEW LABORATORY ANALYTICAL REPORT Client: Denison Mines (USA) Corp Report Date: 10/27108 Project: Sunday Mine/Van 4 Collection Date: Not Provided Lab ID: C08090686-006 DateReceived: 09/17/08 Client Sampl e ID: DM-TPWR-3 Matrix: Solid MCU Analyses Result Units Qualifiers RL QCL Method Analysis Date / By METALS - MWMP EXTRACTABLE Copper 13 ug/L 1 E200.8 10/02/08 21:16 / sml Iron ND ug/L 30 E200.7 10/02108 15:22 / cp Lead 3 ug/L 1 E200.8 10102/08 21:16 / sml Lithium ND ug/L 100 E200.7 10/02108 15:22 / cp Manganese 15 ug/L 1 E200.8 10/02/08 21:16 / sml Mercury ND ug/L 1 E245.1 10/14/08 20:55 / eli-b Molybdenum 1280 ug/L 1 E200.8 10/02108 21:16 / smi Nickel 2 ug/L 1 E200.8 10/02/08 21:16 / sml Selenium 647 ug/L 1 E200.8 10/02/08 21:16 / smi Silver ND ug/L 1 E200.8 10/02108 21:16 / sml Thallium ND ug/L 1 E200.8 10102108 21:16 / sml Uranium 178 ug/L 1 E200.8 10/02/08 21:16 / smi Vanadium 3160 ug/L 1 E200.8 10/02/08 21:16 / sml Zinc 50 ug/L 1 E200.8 10102/08 21:16 / sml METALS - MWMP EXTRACTABLE TOTAL RECOVERABLE Mercury ND ug/L METALS - TOTAL E245.1 10/15108 09:14 / eli-b Aluminum 8780 mg/kg-dry 0.5 SW6010B 09/23/08 03:27 / cp Antimony ND mg/kg-dry 0.5 SW6020 09/23/08 01:12 / is Arsenic 8.7 mg/kg-dry 0.5 SW6020 09/23/08 01:12 / is Barium 261 mg/kg-dry 0.5 SW60108 09/23/08 03:27 / cp Beryllium ND mg/kg-dry 0.5 SW6020 09/23/08 01:12 / is Boron ND mg/kg-dry 5.9 SW6010B 09/23/08 03:27 / cp Cadmium 4.6 mg/kg-dry 0.5 SW6020 09/23/08 01:121 is Calcium 23600 mg/kg-dry 20.0 SW6010B 09/23/08 03:27 / cp Chromium 2.9 mg/kg-dry 0.5 SW6020 09/23/08 01:12 / is Cobalt 2.8 mg/kg-dry 0.5 SW6020 09/23/08 01:12 / is Copper 11.6 mg/kg-dry 0.5 SW6020 09/23/08 01:12 / is Iron 6220 mg/kg-dry 5.0 SW6010B 09/23/08 03:27 / cp Lead 27.5 mg/kg-dry 0.5 SW6020 09/23108 01:12 / is Lithium 13.1 mg/kg-dry 10.0 SW6010B 09/23/08 03:27 / cp Magnesium 5330 mg/kg-dry 15.0 SW6010B 09/23/08 03:27 / cp Manganese 200 mg/kg-dry 0.5 SW6010B 09/23/08 03:27 / cp Mercury ND mg/kg-dry 0.05 SW7471A 10/03/08 16:30 / ae Molybdenum 13.8 mg/kg-dry 0.5 SW6020 09/23/08 01:12 / is Nickel 3.8 mg/kg-dry 0.5 SW6020 09/23/08 01:12 / is Phosphorus 812 mg/kg-dry 10.0 SW6010B 09/23/08 03:27 / cp Potassium 2090 mg/kg-dry 25.0 SW6010B 09/23/08 03:27 / cp Selenium 25.4 mg/kg-dry 0.5 SW6020 09/23/08 01:12 / is Silica 549 mg/kg-dry 55.6 SW6010B 09/23/08 03:27 / cp Silver ND mg/kg-dry 0.5 SW6020 09/23/08 01:12 / is Report Definitions: RL - Analyte reporting limit. QCL - Quality control limit. MDC - Minimum detectable concentration MCL - Maximum contaminant level. ND - Not detected at the reporting limit. 0 11