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www.efwgylab.com Helena, MY 877- 472 -0711 a Billings, MT 600- 135 -4489 • Casper, WY 888 -235 -8515 <br />^ A tl�l ExraMrAa s ce 102 ) Gillette, WY 866 -686 -1175 • Rapid City, SO 886 - 672 -1225 • College Station, TX 888 - 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 11/12/13 S27218 <br />4 Interference Check Sample A <br />0.01 <br />Aluminum <br />504 mg /L <br />Report Date: <br />Work Order: <br />12/05/13 <br />01 31 1 061 2 <br />[Analyte <br />Count Result <br />Units <br />RL <br />° /.REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E200.7 <br />4 Interference Check Sample AB <br />mg /L <br />Aluminum <br />518 mg /L <br />0.10 <br />Analytical Run, ICP2- C131121 A <br />Sample ID: ICV <br />4 Initial Calibration Verification Standard <br />Manganese <br />0.509 mg /L <br />0.010 <br />11/21/13 13:22 <br />Aluminum <br />5.01 <br />mg /L <br />0.10 <br />100 <br />95 <br />105 <br />Iron <br />5.06 <br />mg /L <br />0.030 <br />101 <br />95 <br />105 <br />Manganese <br />5.03 <br />mg /L <br />0.010 <br />101 <br />95 <br />105 <br />Zinc <br />1.01 <br />mg /L <br />0.010 <br />101 <br />95 <br />105 <br />Sample ID: ICSA <br />4 Interference Check Sample A <br />0.01 <br />Aluminum <br />504 mg /L <br />0.10 <br />Iron <br />191 mg /L <br />0.030 <br />Manganese <br />0.000500 mg /L <br />0.010 <br />Zinc <br />- 0.0128 mg /L <br />0.010 <br />Sample ID: ICSAB <br />4 Interference Check Sample AB <br />mg /L <br />Aluminum <br />518 mg /L <br />0.10 <br />Iron <br />196 mg /L <br />0.030 <br />Manganese <br />0.509 mg /L <br />0.010 <br />Zinc <br />0.998 mg /L <br />0.010 <br />Method: E200.7 <br />Sample ID: MB -39812 <br />Aluminum <br />I ron <br />Manganese <br />Zinc <br />Sample ID: LCS3 -39812 <br />Aluminum <br />I ron <br />Manganese <br />Zinc <br />Sample ID: C13110616- 0016MS3 <br />Aluminum <br />Iron <br />Manganese <br />Zinc <br />4 Method Blank <br />4 Sample Matrix Spike Duplicate <br />0.01 <br />mg /L <br />ND <br />mg /L <br />ND <br />mg /L <br />ND <br />mg /L <br />4 Laboratory Control <br />Sample <br />2.50 <br />mg /L <br />2.61 <br />mg /L <br />2.53 <br />mg /L <br />0.503 <br />mg /L <br />4 Sample Matrix Spike <br />2.67 mg /L <br />2.85 mg /L <br />2.62 mg /L <br />0.529 mg /L <br />0.009 <br />0.005 <br />0.0002 <br />0.002 <br />Run: ICP2- C_131121 A <br />4 Sample Matrix Spike Duplicate <br />11/21/13 13:50 <br />101 <br />80 <br />120 <br />96 <br />80 <br />120 <br />0.0010 <br />101 <br />11/21/13 13:54 <br />104 <br />80 <br />120 <br />98 <br />80 <br />120 <br />102 <br />80 <br />120 <br />100 <br />80 <br />120 <br />Run: ICP2- C_131121 A <br />Batch: 39812 <br />11/21/13 17:23 <br />11/21/13 18:12 <br />11/21/13 18:28 <br />Sample ID: C13110616- 001BMSD3 <br />4 Sample Matrix Spike Duplicate <br />Run: ICP2- C_131121 A <br />0.030 <br />99 <br />85 115 <br />0.030 <br />104 <br />85 115 <br />0.0010 <br />101 <br />85 115 <br />0.010 <br />101 <br />85 115 <br />2.84 mg /L <br />0.053 <br />Run: ICP2- C_131121 A <br />0.095 <br />107 <br />70 130 <br />0.053 <br />104 <br />70 130 <br />0.0022 <br />100 <br />70 130 <br />0.016 <br />101 <br />70 130 <br />Batch: 39812 <br />11/21/13 17:23 <br />11/21/13 18:12 <br />11/21/13 18:28 <br />Sample ID: C13110616- 001BMSD3 <br />4 Sample Matrix Spike Duplicate <br />Run: ICP2- C131121 A <br />11/21/13 18:32 <br />Aluminum <br />2.65 mg /L <br />0.095 <br />106 <br />70 130 <br />0.9 <br />20 <br />Iron <br />2.84 mg /L <br />0.053 <br />103 <br />70 130 <br />0.5 <br />20 <br />Manganese <br />2.65 mg /L <br />0.0022 <br />101 <br />70 130 <br />0.9 <br />20 <br />Zinc <br />0.519 mg /L <br />0.016 <br />99 <br />70 130 <br />1.9 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 7 of 21 <br />