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wwwNtrgylab.com Helena, MT 877.472 -0711 • Billings, W 888 - 7354489 • Casper, WY 888- 235 -8515 <br />Ewallem 1JV Gillette, WY 868 -686 -7175 • Rapid City, SO 888- 872 -1225 • College Station, TX 888 -898 -2218 <br />• QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 10/18/13 <br />Project: Schwartz GW 9/24/13 S27176 & S27177 Work Order: C13090929 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: <br />E200.7 <br />Batch: 39179 <br />Analytical Run: ICP4- C_130930A <br />Sample ID: <br />ICV <br />4 Initial Calibration Verification Standard <br />Run: ICP4- C_130930A <br />09/30/13 18:07 <br />09/30/13 12:25 <br />Aluminum <br />0.009 <br />4.80 mg /L <br />0.10 <br />96 <br />95 <br />105 <br />ND mg /L <br />Iron <br />4.99 mg /L <br />0.030 <br />100 <br />95 <br />105 <br />0.0010 <br />Manganese <br />4.78 mg /L <br />0.010 <br />96 <br />95 <br />105 <br />Zinc <br />0.957 mg /L <br />0.010 <br />96 <br />95 <br />105 <br />Run: ICP4- C_130930A <br />Sample ID: <br />ICSA <br />4 Interference Check Sample A <br />2.5 mg /L <br />0.10 <br />101 <br />85 115 <br />09/30/13 12.39 <br />Aluminum <br />Iron <br />467 mg /L <br />0.10 <br />93 <br />80 <br />120 <br />Iron <br />2.5 mg /L <br />175 mg /L <br />0.030 <br />87 <br />80 <br />120 <br />Zinc <br />Manganese <br />0.010 <br />- 0.0150 mg /L <br />0.010 <br />Sample ID: C13090930 -001 BMS3 <br />4 Sample Matrix Spike <br />Zinc <br />0.00119 mg /L <br />0.010 <br />09/30/13 19:06 <br />Aluminum <br />2.8 mg /L <br />0.10 <br />Sample ID: <br />ICSAB <br />4 Interference Check Sample AB <br />Iron <br />2.6 mg /L <br />0.030 <br />09/30/13 12:43 <br />Aluminum <br />466 mg /L <br />0.10 <br />93 <br />80 <br />120 <br />70 130 <br />Iron <br />177 mg /L <br />0.030 <br />88 <br />80 <br />120 <br />Manganese <br />Sample ID: 013090930 -001 BMSD3 <br />0.422 mg /L <br />0.010 <br />84 <br />80 <br />120 <br />09/30/13 19:10 <br />Zinc <br />2.7 mg /L <br />0.835 mg /L <br />0.010 <br />83 <br />80 <br />120 <br />Iron <br />Method: E200.7 <br />Batch: 39179 <br />Sample ID: MB -39179 <br />4 Method Blank <br />Run: ICP4- C_130930A <br />09/30/13 18:07 <br />Aluminum <br />0.01 mg /L <br />0.009 <br />Iron <br />ND mg /L <br />0.002 <br />Manganese <br />ND mg /L <br />0.0010 <br />Zinc <br />ND mg /L <br />0.001 <br />Sample ID: LCS3 -39179 <br />4 Laboratory Control Sample <br />Run: ICP4- C_130930A <br />09/30/13 18:48 <br />Aluminum <br />2.5 mg /L <br />0.10 <br />101 <br />85 115 <br />Iron <br />2.6 mg /L <br />0.030 <br />103 <br />85 115 <br />Manganese <br />2.5 mg /L <br />0.010 <br />99 <br />85 115 <br />Zinc <br />0.48 mg /L <br />0.010 <br />96 <br />85 115 <br />Sample ID: C13090930 -001 BMS3 <br />4 Sample Matrix Spike <br />Run: ICP4- C_130930A <br />09/30/13 19:06 <br />Aluminum <br />2.8 mg /L <br />0.10 <br />104 <br />70 130 <br />Iron <br />2.6 mg /L <br />0.030 <br />103 <br />70 130 <br />Manganese <br />2.5 mg /L <br />0.010 <br />99 <br />70 130 <br />Zinc <br />0.48 mg /L <br />0.010 <br />96 <br />70 130 <br />Sample ID: 013090930 -001 BMSD3 <br />4 Sample Matrix Spike Duplicate <br />Run: ICP4- C_130930A <br />09/30/13 19:10 <br />Aluminum <br />2.7 mg /L <br />0.10 <br />102 <br />70 130 <br />2.1 <br />20 <br />Iron <br />2.6 mg /L <br />0.030 <br />102 <br />70 130 <br />1.3 <br />20 <br />Manganese <br />2.4 mg /L <br />0.010 <br />98 <br />70 130 <br />1.6 <br />20 <br />Zinc <br />0.48 mg /L <br />0.010 <br />95 <br />70 130 <br />1.1 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 11 of 23 <br />