2009-06-08_REVISION - M1997032 (24)

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ENERGYLABORATOR/Ess /NC. -23w silt Creek Highway (82601)) - P.O. Box 3258 • Casper, WY82802 Toll Free 888.235.0515 - 307235.0515 - Fax 07.2341639 - caspergenergylab.com • ww energylab.com Client: Denison Mines (USA) Corp Project Sunday MineNan 4 Lab ID: C08090686-017 Client Sample ID: DM-V4VJR-2 ANALYTICAL REPORT Report Date: 10/27/08 Collection Date: Not Provided Date Received: 09/17/08 Matrix: Solid MCU Analyses Result Units Qualifiers RL QCL Method Analysis Date I By METALS - MWMP EXTRACTABLE Copper 5 ug/L 1 E200.8 10/10/08 18:48 / sml Iron NO ug/L 30 E200.7 10/13/08 16:32 / cp Lead NO ug/L 1 E200.8 10/10/08 18:48 / sml Lithium NO ug/L 100 E200.7 10113108 16:32 / cp Manganese 5 ug/L 1 E200.8 10/10/08 18:48 / sml Mercury NO ug/L 1 E245.1 10114/08 21:43/ eli-b Molybdenum 1100 ug/L 1 E200.8 10/10/08 18:481 sml Nickel 2 ug/L 1 E200.8 10114108 14:37 / sml Selenium 284 ug/L 1 E200.8 10/10/0818:48 / sml Silver NO ug/L 1 E200.8 10/14/08 14:37 / sml Thallium NO ug/L 1 E200.8 10/10/08 18:48 / sml Uranium 155 ug/L 1 E200.8 10/10/0818:48 / 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 / smi METALS - MWMP EXTRACTABLE TOTAL RECOVERABLE Mercury NO ug/L I 1 E245.1 10/15/0810:53 / eli-b METALS-TOTAL Aluminum 3450 mg/kg ry 0.5 SW60108 10/03/08 02:40 / cp Antimony NO mg/kg ry 0.5 SW6020 09/25/08 00:34 / is Arsenic 18.8 mg/kg -J ry 0.5 SW6020 09/25/08 00:341 is Barium 95.1 mg/kg ry 0.5 SW6020 09/25/08 00:34 / is Beryllium NO mg/kg ry 0.5 SW6020 10/07/08 22:33 / sml Boron NO mg/kg ry 6.5 SW6010B 10/03/08 02:40 / cp Cadmium 0.8 mg/kg ry 0.5 SW6020 09/25/08 00:34 / is Calcium 17700 mg/kg- ry 5.0 SW6010B 10/03/08 02:40 / cp Chromium 2.3 mg/kg ry 1.5 SW6020 09125/08 00:34 / is Cobalt 6.3 mg/kg ry 0.5 SW6020 09125108 00:34 / is Copper 14.9 mg/kg ry 0.5 SW6020 09/25/08 00:34 / is Iron 3650 mg/kg- ry 5.0 SW60108 10103/08 02:40 / cp Lead 213 mg/kg- ry 0.5 SW6020 09/25/08 00:34 / is Lithium NO nWkg ry 10.0 SW6010B 10/03108 02:40 / cp Magnesium 6280 mg/kg: ry 5.0 SW6010B 10/03/08 02:40 / cp Manganese 102 mg/kg ry 0.5 SW6020 09125/08 00:34 ! is Mercury NO mg/kg, ry 0.05 SW7471A 10/08/08 16:04 / ae Molybdenum 15.6 mg/k ry 0.5 SW6020 09/25108 00:34 / is Nickel 5.4 mg/k ry 0.5 SW6020 09/25/08 00:34 / is Phosphorus 348 mg/kg- ry 10.0 SW6010B 10/03/08 02:40 / cp Potassium 1150 mg/k ry 26.0 SW6010B 10/03/08 02:40 ! cp Selenium 73.7 mg/k ry 0.5 SW6020 09/25/08 00:34 / is silica 2160 mg/k ry 10.7 SW60108 10103/08 02:40 / cp Silver NO mg/kg ry O.S SW6020 09125/08 00:34 / is Report RL - Analyte reporting limit. MCL - Maximum contaminant level. Definitions: QCL - Quality control limit. NO - Not detected at the reporting limit. MDC - Minimum detectable concentration C] • 0