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- wwwtwgytsb.com Helena, MT 877472 -0711 • Billings, MT 608- 7354489 • Casper, WY 888- 235 -8515 <br />IM Gillette, WY 866-686 -7175 • 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 Report Date: 10/14/13 <br />Project: Schwartz GW 9/19/13 S27162 Work Order: C13090821 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.7 <br />E200.7 <br />Analytical Run: ICP4- C_131002A <br />Batch: R179034 <br />Sample ID: C13090808- 008BMS2 <br />7 Sample Matrix Spike <br />Run: ICP4- C131001 A <br />Potassium <br />10/01/13 18:34 <br />Aluminum <br />96.1 mg /L <br />0.095 <br />95 105 <br />70 <br />130 <br />ICSA <br />A <br />Calcium <br />906 mg /L <br />1.0 <br />93 <br />70 <br />130 <br />- 0.0149 mg /L <br />0.50 <br />Iron <br />60.8 mg /L <br />0.030 <br />Sample ID: <br />70 <br />130 <br />A <br />Magnesium <br />789 mg /L <br />1.0 <br />96 <br />70 <br />130 <br />Manganese <br />35.4 mg /L <br />0.010 <br />78 <br />70 <br />130 <br />Batch: R179083 <br />Molybdenum <br />9.67 mg /L <br />0.030 <br />95 <br />70 <br />130 <br />10/02/13 14:40 <br />Potassium <br />Sodium <br />843 mg /L <br />2.1 <br />96 <br />70 <br />130 <br />Sample ID: <br />LFB- 131002A <br />Sample ID: C13090808- 008BMSD2 <br />7 Sample Matrix Spike Duplicate <br />Run: ICP4- C_131002A <br />Run: ICP4- C_131001A <br />Potassium <br />10/01/13 18:37 <br />Aluminum <br />96.6 mg /L <br />0.095 <br />70 <br />130 <br />0.5 <br />20 A <br />Calcium <br />909 mg /L <br />1.0 <br />94 <br />70 <br />130 <br />0.4 <br />20 <br />Iron <br />61.2 mg /L <br />0.030 <br />013090808 -011 BMSD2 <br />70 <br />130 <br />0.7 <br />20 A <br />Magnesium <br />793 mg /L <br />1.0 <br />97 <br />70 <br />130 <br />0.5 <br />20 <br />Manganese <br />35.6 mg /L <br />0.010 <br />79 <br />70 <br />130 <br />0.5 <br />20 <br />Molybdenum <br />9.69 mg /L <br />0.030 <br />95 <br />70 <br />130 <br />0.2 <br />20 <br />Sodium <br />847 mg /L <br />2.1 <br />97 <br />70 <br />130 <br />0.5 <br />20 <br />Method: <br />E200.7 <br />Analytical Run: ICP4- C_131002A <br />Sample ID: <br />ICV <br />Initial Calibration Verification Standard <br />10/02/13 14:03 <br />Potassium <br />49.7 mg /L <br />0.50 <br />99 <br />95 105 <br />Sample ID: <br />ICSA <br />Interference Check Sample A <br />10/02/13 14:17 <br />Potassium <br />- 0.0149 mg /L <br />0.50 <br />Sample ID: <br />ICSAB <br />Interference Check Sample AB <br />10/02/13 14:21 <br />Potassium <br />- 0.00884 mg /L <br />0.50 <br />Method: <br />E200.7 <br />Batch: R179083 <br />Sample ID: <br />MB- 131002A <br />Method Blank <br />Run: ICP4- C_131002A <br />10/02/13 14:40 <br />Potassium <br />ND mg /L <br />0.04 <br />Sample ID: <br />LFB- 131002A <br />Laboratory Fortified Blank <br />Run: ICP4- C_131002A <br />10/02/13 1444 <br />Potassium <br />48.3 mg /L <br />0.50 <br />97 <br />85 115 <br />Sample ID: <br />C13090808 -011 BMS2 <br />Sample Matrix Spike <br />Run: ICP4- C_131002A <br />10/02/13 17:45 <br />Potassium <br />252 mg /L <br />1.0 <br />91 <br />70 130 <br />Sample ID: <br />013090808 -011 BMSD2 <br />Sample Matrix Spike Duplicate <br />Run: ICP4- C_131002A <br />10/02/13 17:48 <br />Potassium <br />247 mg /L <br />1.0 <br />89 <br />70 130 <br />2.0 20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <br />A - The analyte level was greater than four times the spike level. In <br />accordance with the method % recovery is not calculated. <br />MDC - Minimum detectable concentration <br />Page 9 of 21 <br />