2009-05-19_REVISION - M1977416 (29)

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ENERGYLASORATOR/ES, INC - 2393 Salt Creek Highway (82601) • P. O. Box 3258 • Casper, WY 82602 roll Free 888 235 0515 • 307 235 0515 • Fax 307.234.1639 - casper@energy/ab com - www energylab. com HAWArom-n-F&JUff" LABORATORY ANALYTICAL REPORT Client: Denison Mines (USA) Corp Report Date: 10/27/08 Project: Sunday Mine/Van 4 Collection Date: Not Provided Lab ID: C08090686-017 DateReceived: 09/17/08 Client Sample ID: DM-V4WR-2 Matrix: Solid Analyses Result Units Qualifiers RL MCU QCL Method Analysis Date / By METALS - MWMP EXTRACTABLE Copper 5 ug/L 1 E200.8 10110/08 18:48 / sml Iron ND ug/L 30 E200.7 10/13/08 16:32 / cp Lead ND ug/L 1 E200.8 10/10/08 18:48 / sml Lithium ND ug/L 100 E200.7 10/13/08 16:32 / cp Manganese 5 ug/L 1 E200.8 10/10/08 18:48 / sml Mercury ND ug/L 1 E245.1 10/14/08 21:43 / eli-b Molybdenum 1100 ug/L 1 E200.8 10/10/08 18:48 / sml Nickel 2 ug/L 1 E200.8 10/14/08 14:37 / sml Selenium 284 ug/L 1 E200.8 10/10/08 18:48 / sml Silver ND ug/L 1 E200.8 10/14/08 14:37 / sml Thallium ND ug/L 1 E200.8 10/10/08 18:48 / sml Uranium 155 ug/L 1 E200.8 10/10/08 18:48 / sml Vanadium 1830 ug/L 1 E200.7 10/13/08 16:32 / cp Zinc 49 ug/L 1 E200.8 10/10/08 18:48 / sml METALS - MWMP EXTRACTABLE TOTAL RECOVERABLE Mercury ND ug/L 1 E245.1 10/15/08 10:53 / eli-b METALS - TOTAL Aluminum 3450 mg/kg-dry 0.5 SW60108 10/03/08 02:40 / cp Antimony ND mg/kg-dry 0.5 SW6020 09/25/08 00:34 / is Arsenic 18.8 mg/kg-dry 0.5 SW6020 09/25/08 00:34 / is Barium 95.1 mg/kg-dry 0.5 SW6020 09/25/08 00:34 / is Beryllium ND mg/kg-dry 0.5 SW6020 10/07/08 22:33 / sml Boron ND mg/kg-dry 6.5 SW6010B 10/03/08 02:40 / cp Cadmium 0.8 mg/kg-dry 0.5 SW6020 09/25/08 00:34 / is Calcium 17700 mg/kg-dry 5.0 SW6010B 10/03/08 02:40 / cp Chromium 2.3 mg/kg-dry 1.5 SW6020 09/25108 00:34 / is Cobalt 6.3 mg/kg-dry 0.5 SW6020 09/25108 00:34 / is Copper 14.9 mg/kg-dry 0.5 SW6020 09/25/08 00:34 / is Iron 3650 mg/kg-dry 5.0 SW6010B 10/03/08 02:40 / cp Lead 213 mg/kg-dry 0.5 SW6020 09/25/08 00:34 / is Lithium ND mg/kg-dry 10.0 SW6010B 10/03/08 02:40 / cp Magnesium 6280 mg/kg-dry 5.0 SW6010B 10/03/08 02:40 / cp Manganese 102 mg/kg-dry 0.5 SW6020 09/25/08 00:34 / is Mercury ND mg/kg-dry 0.05 SW7471A 10/08/08 16:04 / ae Molybdenum 15.6 mg/kg-dry 0.5 SW6020 09/25/08 00:34 / is Nickel 5.4 mg/kg-dry 0.5 SW6020 09/25/08 00:34 / is Phosphorus 348 mg/kg-dry 10.0 SW6010B 10/03108 02:40 / cp Potassium 1150 mg/kg-dry 26.0 SW6010B 10/03108 02:40 / cp Selenium 73.7 mg/kg-dry 0.5 SW6020 09/25108 00:34 / is Silica 2160 mg/kg-dry 10.7 SW6010B 10/03/08 02:40 / cp Silver ND mg/kg-dry 0.5 SW6020 09/25/08 00:34 / 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