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?. www.ena®tlab.cum JEERJIAff'A7?4711 • Billings, 61T 800-735 4159 • Casper, WY $U-235-11515 <br />AucdFurasMu test Ciiy, SD 888-612-1225 • Coltege,Statym' 1X 888'=691-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 04/08/11 <br />Project: Schwartz SW 03/08/11 S25677-S25684 Work Order: C11030280 <br />Analyte Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E300.0 Analytical Run: IU2-G_11U311A <br />Sample ID: ICV Initial Calibration Verification Standard 03/11/11 14:53 <br />Chloride 9.83 mg/L 1.0 98 90 110 <br />Sulfate 40.0 mg/L 1.0 100 90 110 <br />Method: E300.0 <br />Sample ID: MBLK Method Blank Run: IC2-C_110311A <br />Chloride ND mg/L 3.0 <br />Sulfate ND mg/L 5.0 <br />Sample ID: LFB Laboratory Fortified Blank Run: IC2-C_110311A <br />Chloride 12.0 mg/L 1.0 96 90 110 <br />Sulfate 48.9 mg/L 1.0 97 90 110 <br />Sample ID: LCS Laboratory Control Sample Run: IC2-C_110311A <br />Chloride 9.78 mg/L 1.0 98 90 110 <br />Sulfate 39.7 mg/L 1.0 99 90 110 <br />Sample ID: C11030184-001AMS Sample Matrix Spike Run: IC2-C_110311A <br />Chloride 38.6 mg/L 1.0 101 80 120 <br />Sulfate 257 mg/L 1.6 96 80 120 <br />Sample ID: 011030184-001AMSD Sample Matrix Spike Duplicate Run: IC2-C110311 A <br />Chloride 38.8 mg/L 1.0 102 80 120 0.5 <br />Sulfate 257 mg/L 1.6 97 80 120 0.0 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Batch: R143574 <br />03/11 /11 15:08 <br />03/11/11 15:39 <br />03/11/11 21:34 <br />03/12/11 01:40 <br />03/12/11 01:56 <br />10 <br />10 <br />Page 21 of 36