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www.mwdab.com Helena,MR 877-472-0711 •Billings,MIT 800-735-4488•Gasper,WY 888-235-0515 <br /> f E=08 5bW!mot Gillette,WY 866-686-7175•Rapid City,SO 886-672-1225•College Station,TX 888-600-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 07/03/14 <br /> Project: Schwartz GW 06/06/14 S27541 Work Order: C14060289 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual j <br /> Method: E200.7 Analytical Run: ICP2-C_140626B <br /> Lab ID: ICV 5 Initial Calibration Verification Standard 06/26/14 12:43 <br /> Calcium 51.1 mg/L 0.50 102 95 105 <br /> Iron 5.10 mg/L 0.030 102 95 105 <br /> Magnesium 48.5 mg/L 0.50 97 95 105 <br /> Potassium 51.6 mg/L 0.50 103 95 105 <br /> Sodium 52.2 mg/L 0.50 104 95 105 <br /> Lab ID: ICSA 5 Interference Check Sample A 06/26/14 13:16 <br /> Calcium 486 mg/L 0.50 97 80 120 <br /> Iron 184 mg/L 0.030 92 80 120 <br /> Magnesium 489 mg/L 0.50 98 80 120 <br /> Potassium -0.00480 mg/L 0.50 <br /> Sodium -0.0414 mg/L 0.50 <br /> Lab ID: ICSAB 5 Interference Check Sample AB 06/26/14 13:20 <br /> Calcium 520 mg/L 0.50 104 80 120 <br /> Iron 193 mg/L 0.030 96 80 120 <br /> Magnesium 503 mg/L 0.50 101 80 120 <br /> Potassium -0.00650 mg/L 0.50 <br /> Sodium -0.101 mg/L 0.50 <br /> Method: E200.7 Batch: R188033 <br /> Lab ID: MB-140626A 5 Method Blank Run: ICP2-C 140626B 06/26/14 13:44 <br /> Calcium ND mg/L 0.04 <br /> Iron ND mg/L 0.002 <br /> Magnesium ND mg/L 0.06 <br /> Potassium ND mg/L 0.05 <br /> Sodium ND mg/L 0.02 <br /> Lab ID: LFB-140626A 5 Laboratory Fortified Blank Run: ICP2-C_140626B 06/26/14 13:48 <br /> Calcium 48.3 mg/L 0.50 97 85 115 <br /> Iron 0.961 mg/L 0.030 96 85 115 <br /> Magnesium 49.2 mg/L 0.50 98 85 115 <br /> Potassium 50.3 mg/L 2.7 101 85 115 <br /> Sodium 49.5 mg/L 0.50 99 85 115 <br /> Lab ID: C14060278-002BMS2 5 Sample Matrix Spike Run: ICP2-C_140626B 06/26/14 22:42 <br /> Calcium 231 mg/L 1.0 100 70 130 <br /> Iron 1.94 mg/L 0.030 95 70 130 <br /> Magnesium 115 mg/L 1.0 96 70 130 <br /> Potassium 99.8 mg/L 1.0 92 70 130 <br /> Sodium 379 mg/L 1.0 95 70 130 <br /> Lab ID: C14060278-002BMSD 5 Sample Matrix Spike Duplicate Run: ICP2-C_140626B 06/26/14 22:46 <br /> Calcium 226 mg/L 1.0 95 70 130 2.3 20 <br /> Iron 1.99 mg/L 0.030 98 70 130 2.4 20 <br /> Magnesium 118 mg/L 1.0 99 70 130 2.1 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 11 of 29 <br />