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• �� www.ewdeb.com Helena,MT 877-472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-6515 <br /> - AU&*X1EW0ftv8 ftm 1952 Gillette,WY 866-666 7175•Rapid City,SD 88B-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: 05/13/14 <br /> Project: Schwartz-GW 4/23/14 S27445 Work Order: C14040728 <br /> I <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.7 Analytical Run: ICP4-C_140506A <br /> Lab ID: ICV 5 Initial Calibration Verification Standard 05/06/14 15:54 <br /> Calcium 50.1 mg/L 0.50 100 95 105 <br /> Iron 4.94 mg/L 0.030 99 95 105 <br /> Magnesium 50.0 mg/L 0.50 100 95 105 <br /> Potassium 49.4 mg/L 0.50 99 95 105 <br /> Sodium 50.1 mg/L 0.50 100 95 105 <br /> Lab ID: ICSA 5 Interference Check Sample A 05/06/14 16:08 <br /> Calcium 459 mg/L 0.50 92 80 120 <br /> Iron 174 mg/L 0.030 87 80 120 <br /> Magnesium 496 mg/L 0.50 99 80 120 <br /> Potassium -0.00929 mg/L 0.50 <br /> Sodium -0.262 mg/L 0.50 <br /> Lab ID: ICSAB 5 Interference Check Sample AB 05/06/14 16:12 <br /> Calcium 462 mg/L 0.50 92 80 120 <br /> Iron 175 mg/L 0.030 88 80 120 <br /> Magnesium 504 mg/L 0.50 101 80 120 <br /> Potassium -0.0133 mg/L 0.50 <br /> Sodium -0.305 mg/L 0.50 <br /> Method: E200.7 Batch: R186254 <br /> Lab ID: MB-140506A 5 Method Blank Run: ICP4-C 140506A 05/06/14 16:31 <br /> Calcium ND mg/L 0.02 <br /> Iron ND mg/L 0.002 <br /> Magnesium ND mg/L 0.02 <br /> Potassium ND mg/L 0.04 <br /> Sodium ND mg/L 0.2 <br /> Lab ID: LFB-140506A 5 Laboratory Fortified Blank Run: ICP4-C_140506A 05/06/14 16:35 <br /> Calcium 48.2 mg/L 0.50 96 85 115 <br /> Iron 0.947 mg/L 0.030 95 85 115 <br /> Magnesium 48.0 mg/L 0.50 96 85 115 <br /> Potassium 51.4 mg/L 0.50 103 85 115 <br /> Sodium 49.6 mg/L 0.50 99 85 115 <br /> Lab ID: C14040728-001CMS2 5 Sample Matrix Spike Run: ICP4-C_140506A 05/06/14 20:41 <br /> Calcium 318 mg/L 1.0 85 70 130 <br /> Iron 3.04 mg/L 0.030 93 70 130 <br /> Magnesium 186 mg/L 1.0 97 70 130 <br /> Potassium 105 mg/L 1.0 96 70 130 <br /> Sodium 211 mg/L 1.0 96 70 130 <br /> Lab ID: C14040728-001CMSD 5 Sample Matrix Spike Duplicate Run: ICP4-C_140506A 05/06/14 21:00 <br /> Calcium 313 mg/L 1.0 80 70 130 1.5 20 <br /> Iron 3.01 mg/L 0.030 92 70 130 1.1 20 <br /> Magnesium 183 mg/L 1.0 94 70 130 1.6 20 <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 />