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.... ...... _ ...... _.......________...._.._ <br />?'? vnm.energylaG.com Helena tdT 877472-0711 - Billings, W 800-735-4489 > Casper, WY 888-235-0515 <br />_ °; _° ,.?? AmtyrlcslExcellsuceS1att7951 Gillette, W866-686-7175 -Rapid City, SD 88B-672-1225 - College station, TX 888-890-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 12/23/10 <br />Project: Schwart2walder Water Monitoring Program SW Work Order: 010110836 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Clual <br />Method: E200.8 Balch: R140851 <br />Sample ID: LRB Method Blank Run: ICPMS2-C 101213A 12/13/10 12:38 <br />Uranium ND mg/L 1 E-05 <br />Sample ID: LFB Laboratory Fortified Blank Run: ICPMS2-C_101213A 12/13/10 14:11 <br />Uranium 0.0559 mg/L 0.00030 112 85 115 <br />Sample ID: C1 01 10836-008AMS Sample Matrix Spike Run: ICPMS2-C_101213A 12/13/10 15:09 <br />Uranium 0.546 mg/L 0.00030 70 130 A <br />Sample ID: C10110836-008AMSD Sample Matrix Spike Duplicate Run: ICPMS2-C_101213A 12/13/10 15:13 <br />Uranium 0.546 mg/L 0.00030 70 130 0.1 20 A <br />Sample ID: C10110506-001BMS Sample Matrix Spike Run: ICPMS2-C-_101213A 12/13/10 20:30 <br />Uranium 0.0597 mg/L 0.00030 104 70 130 <br />Sample ID: C10110506-001 BMSD Sample Matrix Spike Duplicate Run: ICPMS2-C_101213A 12/13/10 20:34 <br />Uranium 0.0620 mg1L 0.00030 109 70 130 3.8 20 <br />Qualifiers: <br />RL - Analyte reporting limit. A - The analyte level was greater than lour times the spike level. In <br />accordance with the method % recovery is not calculated. <br />ND - Not detected at the reporting limit. <br />Page 10 of 20