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 8882350515 • 3072350515 -Fax 307.234.1639 • casper(Penergy/ab.com • www.energylab.com LABORATORY ANALYTICAL REPORT • Client: Denison Mines (USA) Corp Report Date: 10/27108 Project: Sunday Mine/Van 4 Collection Date: Not Provided Lab ID: C08090686-009 DateReceived: 09/17/08 Client Sample ID: DM-SVWR-3 Matrix: Solid Analyses Result Units Qualifiers RL MCLI QCL Method Analysis Date / By METALS - MWMP EXTRACTABLE 2 ug/L 1 E200.8 10/03/08 15:221 is Copper ND ug/L 30 E200.7 10/13/08 14:511 cp Iron ND ug/L 1 E200.8 10/03/08 15:221 is Lead ND ug/L 100 E200.7 10/13/08 14:511 cp Lithium 5 ug/L 1 E200.8 10/03/08 15:22 / is Manganese ND ug/L 1 E245.1 10/14/08 21:111 eli-b Mercury 1200 ug/L 1 E200.8 10/03/08 15:221 is Molybdenum 4 ug/L 1 E200.8 10/03/08 15:221 is Nickel 566 ug/L 1 E200.8 10/03108 15:221 is Selenium ND ug/L 1 E200.8 10/03108 15:22 Its Silver Thallium ND ug/L 1 E200.8 10/03/08 15:221 is Uranium 18 ug/L 1 E200.8 10/03/08 15:221 is Vanadium 15500 ug/L 1 E200.8 10/08/08 13:27 / sml Zinc 9 ug/L 1 E200.8 10/03108 15:221 is METALS - MWMP EXTRACTABLE TOTAL RECOVERABLE Mercury ND ug/L 1 E245.1 10/15/08 09:311 eli-b • METALS-TOTAL Aluminum 9490 mg/kg-dry 0.5 SW6010B 09/23/08 03:40 / cp Antimony ND mg/kg-dry 0.5 SW6020 09/23/08 01:321 is Arsenic 12.7 mg/kg-dry 0.5 SW6020 09/23/08 01:32 / is Barium 167 mg/kg-dry 0.5 SW60108 09/23/08 03:401 cp Beryllium ND mg/kg-dry 0.5 SW6020 09/23/08 01:321 is Boron ND mg/kg-dry 6.1 SW6010B 09/23108 03:401 cp Cadmium 27.8 mg/kg-dry 0.5 SW6020 09/23/08 01:32 / is Calcium 15500 mg/kg-dry 17.0 SW6010B 09/23/08 03:401 cp Chromium 3.6 mg/kg-dry 0.5 SW6020 09/23/08 01:32 / is Cobalt 2.8 mg/kg-dry 0.5 SW6020 09/23/08 01:32 / is Copper 11.6 mg/kg-dry 0.5 SW6020 09123108 01:321 is Iron 6060 mg/kg-dry 5.0 SW6010B 09123108 03:401 cp Lead 41.4 mg/kg-dry 0.5 SW6020 09123108 01:32 / is Lithium 15.2 mg/kg-dry 10.0 SW6010B 09/23/08 03:401 cp Magnesium 6430 mg/kg-dry 15.0 SW6010B 09/23/08 03:401 cp Manganese 126 mg/kg-dry 0.5 SW6010B 09/23/08 03:401 cp Mercury 0.06 mg/kg-dry 0.05 SW7471A 10/03/08 16:371 ae Molybdenum 19.0 mg/kg-dry 0.5 SW6020 09/23/08 01:32 / is Nickel 3.5 mg/kg-dry 0.5 SW6020 09/23/08 01:32 / is Phosphorus 376 mg/kg-dry 10.0 SW6010B 09/23/08 03:40 / cp Potassium 1060 mg/kg-dry 25.0 SW6010B 09/23/08 03:40 / cp Selenium 41.4 mg/kg-dry 0.5 SW6020 09/23/08 01:321 is Silica 440 mg/kg-dry 57.8 SW6010B 09/23/08 03:40 / cp Silver 1.1 mg/kg-dry 0.5 SW6020 09/23/08 01:32 / 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