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• www.erwdab.com Helena,Wr$77-472-0711 •Billings,MT 600-7354410•Casper,WY 888-235-8515 <br /> f AaslplralFiaea�lmc•Sma19lf1 <br /> Gillette,WY 806-806-1175•Rapid City,SD 880-172-1225•College Station,TX 888-880-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 07/03/14 <br /> Project: Schwartz GW 06/06/14 S27541 Work Order: C14060289 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.8 Analytical Run: ICPMS4-C_140620A <br /> Lab ID: ICV 7 Initial Calibration Verification Standard 06/20/14 12:12 <br /> Aluminum 0.0496 mg/L 0.0010 99 90 110 <br /> Antimony 0.0478 mg/L 0.0010 96 90 110 <br /> Arsenic 0.0485 mg/L 0.0010 97 90 110 <br /> Iron 0.988 mg/L 0.0010 99 90 110 <br /> Lead 0.0493 mg/L 0.0010 99 90 110 <br /> Manganese 0.0498 mg/L 0.0010 100 90 110 <br /> Zinc 0.0502 mg/L 0.0010 100 90 110 <br /> Method: E200.8 Batch:41624 <br /> Lab ID: MB-41624 7 Method Blank Run: ICPMS4-C_140620A 06/20/14 21:19 <br /> Aluminum 0.002 mg/L 0.0007 <br /> Antimony 0.0002 mg/L 0.0002 <br /> Arsenic 0.0010 mg/L 0.0004 <br /> Iron 0.005 mg/L 0.004 <br /> Lead 6E-05 mg/L 4E-05 <br /> Manganese 0.0001 mg/L 0.0001 <br /> Zinc ND mg/L 0.0006 <br /> Lab ID: LCS3-41624 7 Laboratory Control Sample Run: ICPMS4-C_140620A 06/20/14 21:23 <br /> Aluminum 2.32 mg/L 0.030 93 85 115 <br /> Antimony 0.482 mg/L 0.0010 96 85 115 <br /> Arsenic 0.472 mg/L 0.0010 94 85 115 <br /> Iron 2.24 mg/L 0.030 89 85 115 <br /> Lead 0.458 mg/L 0.0010 92 85 115 <br /> Manganese 2.34 mg/L 0.0010 94 85 115 <br /> Zinc 0.488 mg/L 0.010 98 85 115 <br /> Lab ID: C14060260-003DMS3 7 Sample Matrix Spike Run: ICPMS4-C_140620A 06/20/14 21:56 <br /> Aluminum 2.32 mg/L 0.030 91 70 130 <br /> Antimony 0.480 mg/L 0.0010 96 70 130 <br /> Arsenic 0.482 mg/L 0.0010 96 70 130 <br /> Iron 2.24 mg/L 0.030 75 70 130 <br /> Lead 0.458 mg/L 0.0010 92 70 130 <br /> Manganese 2.47 mg/L 0.0010 92 70 130 <br /> Zinc 0.481 mg/L 0.010 95 70 130 <br /> Lab ID: C14060260-003DMSD 7 Sample Matrix Spike Duplicate Run: ICPMS4-C_140620A 06/20/14 22:00 <br /> Aluminum 2.34 mg/L 0.030 92 70 130 0.8 20 <br /> Antimony 0.486 mg/L 0.0010 97 70 130 1.3 20 <br /> Arsenic 0.490 mg/L 0.0010 98 70 130 1.8 20 <br /> Iron 2.44 mg/L 0.030 83 70 130 8.9 20 <br /> Lead 0.462 mg/L 0.0010 92 70 130 0.9 20 <br /> Manganese 2.51 mg/L 0.0010 93 70 130 1.3 20 <br /> Zinc 0.482 mg/L 0.010 95 70 130 0.2 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 18 of 29 <br />