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• " www.erwdab.com Helena,MT 877-472-0711 a Billings,Lff 600-735-4489 a Casper,WY 888-235-0515 <br /> LW Ae7h'C1ftmbm-q=1852 Gillette,WY 866-686-7175•Rapid City,SD 886-672-1225 a College Station,!X 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper,WY Branch <br /> Client: Cotter Corporation Report Date: 06/17/14 <br /> Project: Schwartz -GW 05/29/14 S27499 Work Order: C14050897 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.7 Batch: R1871741 <br /> Lab ID: C14050749-001BMS2 7 Sample Matrix Spike Run: ICP4-C_140530C 06/03/14 18:37 <br /> Aluminum 2.01 mg/L 0.030 99 70 130 <br /> Calcium 167 mg/L 1.0 98 70 130 <br /> Iron 2.01 mg/L 0.030 100 70 130 <br /> Magnesium 112 mg/L 1.0 99 70 130 <br /> Manganese 1.93 mg/L 0.0020 96 70 130 <br /> Potassium 110 mg/L 1.0 99 70 130 <br /> Zinc 1.88 mg/L 0.010 93 70 130 <br /> Lab ID: C14050749-001BMSD 7 Sample Matrix Spike Duplicate Run: ICP4-C_140530C 06/03/14 18:40 <br /> Aluminum 2.01 mg/L 0.030 99 70 130 0.1 20 <br /> Calcium 168 mg/L 1.0 99 70 130 0.6 20 <br /> Iron 2.03 mg/L 0.030 101 70 130 0.7 20 <br /> Magnesium 112 mg/L 1.0 100 70 130 0.2 20 <br /> Manganese 1.92 mg/L 0.0020 96 70 130 0.2 20 <br /> Potassium 112 mg/L 1.0 100 70 130 1.3 20 <br /> Zinc 1.88 mg/L 0.010 94 70 130 0.3 20 <br /> Method: E200.7 Analytical Run: ICP4-C_140613A <br /> Lab ID: ICV 2 Initial Calibration Verification Standard 06/13/14 12:43 <br /> Molybdenum 0.974 mg/L 0.10 97 95 105 <br /> Sodium 50.6 mg/L 0.50 101 95 105 <br /> Lab ID: ICSA 2 Interference Check Sample A 06/13/14 12:57 <br /> Molybdenum 0.00181 mg/L 0.10 <br /> Sodium -0.499 mg/L 0.50 <br /> Lab ID: ICSAB 2 Interference Check Sample AB 06/13/14 13:01 <br /> Molybdenum 0.00316 mg/L 0.10 <br /> Sodium -0.470 mg/L 0.50 <br /> Method: E200.7 Batch: R187555 <br /> Lab ID: MB-140613A 2 Method Blank Run: ICP4-C 140613A 06/13/14 13:20 <br /> Molybdenum ND mg/L 0.003 <br /> Sodium ND mg/L 0.2 <br /> Lab ID: LFB-140613A 2 Laboratory Fortified Blank Run: ICP4-C_140613A 06/13/14 13:24 <br /> Molybdenum 0.935 mg/L 0.10 94 85 115 <br /> Sodium 48.8 mg/L 0.50 98 85 115 <br /> Lab ID: C14060250-004BMS2 2 Sample Matrix Spike Run: ICP4-C_140613A 06/13/14 19:33 <br /> Molybdenum 1.94 mg/L 0.0059 95 70 130 <br /> Sodium 278 mg/L 1.0 90 70 130 <br /> Lab ID: C14060250-004BMSD 2 Sample Matrix Spike Duplicate Run: ICP4-C_140613A 06/13/14 19:52 <br /> Molybdenum 1.95 mg/L 0.0059 95 70 130 0.5 20 <br /> Sodium 276 mg/L 1.0 88 70 130 0.6 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 8 of 20 <br />