2009-06-08_REVISION - M1997032 (24)

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ENERGYLA80HArt7R1E4 /NC. • 2393 SW Creek Highway (82601)- P.O.8ox 3258 -Casper, WY82602 AMP To//Free 888.235.0515 - 3072350515 • Far 307.234.16 9 - casper9eneqgy1ab.com - www.en&yAb.COm CWQC Summary Report • Client: Denison Mines (USA) Corp Project: Sunday MineNan 4 Report Date: 10127/08 Work Order. C08090686 Analyte Result Units RL %REC Low Umit High Limit RPD RPDLimit Qual Method: E200.8 Batch: 20085 Sample ID: C08MOS0418OMS04 Sample Matmt Spike Duplicate Run: ICPMS4-C_081010A 10/10/0819:08 Cobalt 0.241 mg/L 0.010 96 70 130 1 20 Copper 0.236 mg/L 0.010 90 70 130 1.2 20 Lead 0.250 mg/L 0.050 99 70 130 0.5 20 Manganese 0.247 mg/L 0.010 98 70 130 0.9 20 Molybdenum 0.606 mg/L 0.10 96 70 130 0.7 20 Nickel 0.232 mg/L 0.050 90 70 130 1.1 20 Selenium 0.283 mg/L 0.0010 101 70 130 0.9 20 Silver 0.0804 mg/L 0.010 80 70 130 6 20 Thallium 0.237 mg/L 0.10 95 70 130 0 20 Uranium 2.55 mg/L 0.00030 70 130 0.3 20 A Vanadium 0.249 mg/L 0.10 94 70 130 1.2 20 Zinc 0.257 mg/L 0.010 79 70 130 2.3 20 Method: E245.1 Batch: B35239 Sample ID: MB-38239 Method Blank Run: SUB-8119482 10/15/08 08:53 Mercury 6E-05 mg/L 5E-05 Sample ID: C080906804018 Sample Matrix Spike Run: SUB-8119482 10/15/08 09:00 Mercury 0.00211 mg/L 0.0010 102 70 130 Sample ID: C08090686-0018 Sample Matrix Spike Duplicate Run: SUB-8119482 10/15108 09:02 Mercury 0.00204 mg/L 0.0010 99 70 130 3.4 30 Sample ID: C08090686-0078 Sample Matrix Spike Run: SUB-8119482 10/15/0809:24 Mercury 0.00200 mg/L 0.0010 98 70 130 Sample ID: C0809068040TS Sample Matrix Spike Duplicate Run: SUB-8119482 10/15/08 09:26 Mercury 0.00192 mg/L 0.0010 94 70 130 4.1 30 Qualiflers: RL - Ana" reporting limit. A - The snalyte level was greater than tour times the spike level. In accordance with the method % recovery is not calculated. NO -Not detected at the reporting limit.