2009-06-08_REVISION - M1997032 (24)

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Jul ENERGY LABORATOR/ES, INC. • 2393 S To11 Free 888.235.0515 • 307235.0515 - Fax QA/QC Client: Denison Mines (USA) Corp Project: Sunday Mine/Van 4 ryr Report Report Date: 1027/08 • Work Order. C08090686 Analyte Result Units RL %.REC Low Limit High Limit RPD RPDLlmit Qual Method: E200.8 Batch: 20018 Sample ID: C08090686-012BMS4 Sample Matrix Spike Run: ICPMS4-C 081008A 10/08/08 14:27 Antimony 0.269 mg/L 0.050 106 70 130 Arsenic 0.419 mg/L 0.0080 103 70 130 Barium 0.283 mg/L 0.10 104 70 130 Beryllium 0.217 mg/L 0.010 87 70 130 Cadmium 0.259 mg/L 0.010 103 70 130 Chromium 0.234 mg/L 0.050 94 70 130 Cobalt 0.240 mg/L 0.010 96 70 130 Copper 0.241 mg/L 0.010 96 70 130 Lead 0.259 mg/L 0.050 104 70 130 Manganese 0.245 mg/L 0.010 98 70 130 Molybdenum 0.931 mg/L 0.10 94 70 130 Nickel 0.232 mg/L 0.050 92 70 130 Selenium 1.32 mg/L 0.0031 70 130 A Silver 0.0710 mg/L 0.010 71 70 130 Thallium 0.257 mg/L 0.10 103 70 130 Uranium 0.333 mg/L 0.00030 107 70 130 Vanadium 5.91 mg/L 0.10 70 130 A Zinc 0.287 mg/L 0.010 95 70 130 Sample ID: C08090686-0128MSD4 Sample Matrix Spike Dupli a Run: ICPMS4-C 081008A 10108/08 14:34 Antimony 0.264 mg/L 0.050 104 70 130 1.8 20 Arsenic 0.417 mg/L 0.0080 102 70 130 0.5 20 Barium 0.278 mg/L 0.10 102 70 130 1.7 20 Beryllium 0.215 mg/L 0.010 86 70 130 1.1 20 Cadmium 0.256 mg/L 0.010 102 70 130 1.3 20 Chromium 0.233 mg/L 0.050 93 70 130 0.6 20 Cobalt 0.242 mg/L 0.010 97 70 130 0.7 20 Copper 0.237 mg/L 0.010 94 70 130 1.6 20 Lead 0.258 mg/L 0.050 103 70 130 0.3 20 Manganese 0.242 mg/L 0.010 97 70 130 1 20 Molybdenum 0.942 mg/L 0.10 99 70 130 1.1 20 Nickel 0.231 mg/L 0.050 92 70 130 0.3 20 Selenium 1.34 mg/L 0.0031 70 130 1.2 20 A Sinter 0.0731 mg/L 0.010 73 70 130 2.9 20 Thallium 0.259 mg/L 0.10 103 70 130 0.6 20 Uranium 0.334 mg/L 0.00030 108 70 130 0.6 20 Vanadium 6.03 mg/L 0.10 70 130 2 20 A Zinc 0.281 mg/L 0.010 92 70 130 2.2 20 Qualifiers: RL - Ana" reporting limit. A - The analyte level was greater than four times the spike level. In accordance with the method % recovery is not calculated. ND - Not detected at the reporting limit. Creek Highway (82601) • P.O. Box 3258 • Casper, WY82602 7.234.1639 - casperC?energyiab.com - www..e,7ergyYab.com • 1-1