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W W.EnEfgttlab.COM Helena, M1 5 1I-4/I-u111 a 61109%ml Duu-7aa- 490 - aaaper, R7 vvv-&+.rvvI. <br />Anpfla EWAF*W I W 1W J Gillette; WY 166.686-7175 • Rapid City, so 0811-672-1225 a College station, TX 888-618-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 04/11/11 <br />Project: Schwartz-SW 3/10/2011 S25686-S25688 Work Order: C11030378 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Cual <br />Method: E300.0 Analytical Run. IC2 C_110315A <br />Sample ID: ICV 2 Initial Calibration Verification Standard 03/15/11 12:16 <br />Chloride 10.0 mg/L 1.0 100 90 110 <br />Sulfate 40.1 mg/L 1.0 100 90 110 <br />Method: E300.0 <br />Sample ID: MBLK 2 Method Blank <br />Chloride ND mg/L <br />Sulfate ND mg/L <br />Sample ID: LFB 2 Laboratory Fortified Blank <br />Chloride 12.4 mg/L <br />Sulfate 50.2 mg/L <br />Sample ID: LCS 2 Laboratory Control Sample <br />Chloride 10.0 mg/L <br />Sulfate 40.2 mg/L <br />Sample ID: C11030377-002AMS 2 Sample Matrix Spike <br />Chloride 52.7 mg/L <br />Sulfate 492 mg/L <br />Sample ID: C11030377-002AMSD 2 Sample Matrix Spike Duplicate <br />Chloride 52.9 mg/L <br />Sulfate 493 mg/L <br />Run: IC2-C 110315A <br />3.0 <br />5.0 <br /> Run: IC2-C_110315A <br />1.0 100 90 110 <br />1.0 100 90 110 <br /> Run: IC2-C_110315A <br />1.0 100 90 110 <br />1.0 100 90 110 <br /> Run: IC2-C_110315A <br />1.0 103 80 120 <br />4.0 92 80 120 <br /> Run: IC2-C_110315A <br />1.0 103 80 120 <br />4.0 92 80 120 <br />03/15/11 13:02 <br />03/15/11 20:30 <br />03/16/11 02:24 <br />03/16/11 02:40 <br />0.5 10 <br />0.1 10 <br />baicn: hi4ovdo <br />03/15/11 12:32 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 18 of 29