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www.e *Wsb=m a gi ?M7 877-472-0711 • Billings, NT 800-735-4{89 • Casper, WY 888-235-0515 <br />AW61 srE=ftmaSam IN2 8 6.7175 v, Rapid City, SO 886-672-1225 • College Station, T% 888-690-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 03/28/11 <br />Project: Schwartz GW 02/25/1 1 S25622 Work Order: C11020751 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E245.1 Batch: 29189 <br />Sample ID: MB-29189 Method Blank Run: CVAA_C203_110302A 03/02/11 14:22 <br />Mercury ND mg/L 1E-06 <br />Sample ID: LCS-29189 Laboratory Control Sample Run: CVAA_C203_110302A 03/02/11 14:23 <br />Mercury 0.00492 mg/L 0.0010 98 85 115 <br />Sample ID: 011020751-001DMS Sample Matrix Spike Run: CVAA_C203_110302A 03/02/11 14:39 <br />Mercury 0.00464 mg/L 0.00010 93 85 115 <br />Sample ID: C1 1020751 -001 DMSD Sample Matrix Spike Duplicate Run: CVAA_C203_110302A 03/02/11 14:40 <br />Mercury 0.00477 mg/L 0.00010 95 85 115 2.9 10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 11 of 20 <br />. ?__... _ -- _ - ,- . ? r -,,.xi