2014-10-09_HYDROLOGY - M1977300 (2)

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www.awdab.com com Helena,lilt 877472-0711 •Billings,MT 800-7354489•Casper,WY 888-235-0515 Gillette,WY 866-686-7175•Rapid City,Su 666-672-1225•College Station,TX 888-690-2218 QA/QC Summary Report Prepared by Casper, WY Branch Client: Cotter Corporation Report Date: 06/26/14 Project: Schwartz GW 06/05/14 S27539, S27540 Work Order: C14060251 LAnalyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Method: E200.7 Analytical Run: ICP4-C_140616A Lab ID: ICV 9 Initial Calibration Verification Standard 06/16/14 11:32 Aluminum 4.95 mg/L 0.10 99 95 105 Calcium 50.5 mg/L 0.50 101 95 105 Iron 5.00 mg/L 0.030 100 95 105 Magnesium 50.1 mg/L 0.50 100 95 105 Manganese 4.83 mg/L 0.010 97 95 105 Molybdenum 0.973 mg/L 0.10 97 95 105 Potassium 49.8 mg/L 0.50 100 95 105 Sodium 49.8 mg/L 0.50 100 95 105 Zinc 0.955 mg/L 0.010 96 95 105 Lab ID: ICSA 9 Interference Check Sample A 06/16/14 11:47 Aluminum 473 mg/L 0.10 95 80 120 Calcium 460 mg/L 0.50 92 80 120 Iron 178 mg/L 0.030 89 80 120 Magnesium 499 mg/L 0.50 100 80 120 Manganese 0.00232 mg/L 0.010 Molybdenum 0.00158 mg/L 0.10 Potassium 0.0148 mg/L 0.50 Sodium -0.364 mg/L 0.50 Zinc -0.00117 mg/L 0.010 Lab ID: ICSAB 9 Interference Check Sample AB 06/16/14 11:51 Aluminum 465 mg/L 0.10 93 80 120 Calcium 461 mg/L 0.50 92 80 120 Iron 177 mg/L 0.030 89 80 120 Magnesium 498 mg/L 0.50 100 80 120 Manganese 0.440 mg/L 0.010 88 80 120 Molybdenum 0.00333 mg/L 0.10 Potassium 0.00828 mg/L 0.50 Sodium -0.285 mg/L 0.50 Zinc 0.910 mg/L 0.010 91 80 120 Method: E200.7 Batch:R187608 Lab ID: MB-140616A 9 Method Blank Run: ICP4-C_140616A 06/16/14 12:10 Aluminum ND mg/L 0.001 Calcium ND mg/L 0.02 Iron 0.005 mg/L 0.002 Magnesium ND mg/L 0.02 Manganese ND mg/L 0.0010 Molybdenum ND mg/L 0.003 Potassium ND mg/L 0.04 Sodium ND mg/L 0.2 Zinc ND mg/L 0.001 Qualifiers: RL-Analyte reporting limit. ND-Not detected at the reporting limit. MDC-Minimum detectable concentration Page 9 of 24