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www.ewdab.com Helena,MT 877472-0711 •Billings,MY 800-7354489•Casper,WY 888-235-4515 <br /> AUWWE,a r c'5b.IN2 Gillette,WY 866-686-7175•Rapid City,SD 888-672-1225•Cdlege Station,TX 888-600-2218 <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 Analytical Run: ICP4-C_140530C <br /> Lab ID: ICV 7 Initial Calibration Verification Standard 06/02/14 13:30 <br /> Aluminum 4.90 mg/L 0.10 98 95 105 <br /> Calcium 49.4 mg/L 0.50 99 95 105 <br /> Iron 4.93 mg/L 0.030 99 95 105 <br /> Magnesium 49.7 mg/L 0.50 99 95 105 <br /> Manganese 4.76 mg/L 0.010 95 95 105 <br /> Potassium 48.2 mg/L 0.50 96 95 105 <br /> Zinc 0.964 mg/L 0.010 96 95 105 <br /> Lab ID: ICSA 7 Interference Check Sample A 06/02/14 13:45 <br /> Aluminum 470 mg/L 0.10 94 80 120 <br /> Calcium 437 mg/L 0.50 87 80 120 <br /> Iron 174 mg/L 0.030 87 80 120 <br /> Magnesium 495 mg/L 0.50 99 80 120 <br /> Manganese -0.00914 mg/L 0.010 <br /> Potassium -0.0214 mg/L 0.50 <br /> Zinc -0,000800 mg/L 0.010 <br /> Lab ID: ICSAB 7 Interference Check Sample AB 06/02/14 13:49 <br /> Aluminum 476 mg/L 0.10 95 80 120 <br /> Calcium 437 mg/L 0.50 87 80 120 <br /> Iron 175 mg/L 0.030 87 80 120 <br /> Magnesium 498 mg/L 0.50 100 80 120 <br /> Manganese 0.432 mg/L 0.010 86 80 120 <br /> Potassium -0.0309 mg/L 0.50 <br /> Zinc 0.808 mg/L 0.010 81 80 120 <br /> Method: E200.7 Batch: R187174 <br /> Lab ID: MB-140602A 7 Method Blank Run: ICP4-C 140530C 06/02/14 14:08 <br /> Aluminum ND mg/L 0.009 <br /> Calcium ND mg/L 0.02 <br /> Iron ND mg/L 0.002 <br /> Magnesium 0.05 mg/L 0.01 <br /> Manganese ND mg/L 0.0010 <br /> Potassium ND mg/L 0.04 <br /> Zinc ND mg/L 0.001 <br /> Lab ID: LFB-140602A 7 Laboratory Fortified Blank Run: ICP4-C_140530C 06/02/14 14:11 <br /> Aluminum 0.955 mg/L 0.10 96 85 115 <br /> Calcium 48.5 mg/L 0.50 97 85 115 <br /> Iron 0.961 mg/L 0.030 96 85 115 <br /> Magnesium 48.7 mg/L 0.50 97 85 115 <br /> Manganese 0.933 mg/L 0.010 93 85 115 <br /> Potassium 47.8 mg/L 0.50 96 85 115 <br /> Zinc 0.918 mg/L 0.010 92 85 115 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 7 of 20 <br />