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I Oki www.energylab.eom Halena, MY 877-472-0711 -Billings, NR 800-735-4489 - Casper, WY 888-235-0515 <br />Aetfj fE?+danaa?nea yll?t Gillette, WY 866-686-7175 - Rapid City, SD 88B-672-1225 - College Station, TX 888410-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz SW02-03-11 S25602-S25608 <br /> <br />Report Date: 03/04/11 <br />Work Order: C11020189 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.7 Batch: R142791 <br />Sample ID: MB-110215A 7 Method Blank Run: ICP2-C_110215A 02/15/11 12:54 <br />Aluminum ND mg/L 0.20 <br />Boron ND mg/L 0.10 <br />Calcium ND mg/L 0.40 <br />Iron ND mg/L 0.030 <br />Magnesium ND mg/L 0.10 <br />Potassium ND mg/L 0.10 <br />Sodium ND mg/L 0.60 <br />Sample ID: LFB-110215A 7 Laboratory Fortified Blank Run: ICP2-C_110215A 02/15/11 12:58 <br />Aluminum 0.927 mg/L 0.10 93 85 115 <br />Boron 0.925 mg/L D.10 90 85 115 <br />Calcium 48.3 mg/L 0.50 97 85 115 <br />Iron 0.972 mg/L 0.030 97 85 115 <br />Magnesium 50.2 mg/L 0.50 100 85 115 <br />Potassium 43.7 mg/L 0.50 87 85 115 <br />Sodium 46.5 mg/L 0.50 93 85 115 <br />Sample ID: C11020156-003BMS2 7 Sample Matrix Spike Run: ICP2-C_110215A 02/15/11 15:04 <br />Aluminum 1.90 mg/L 0.10 93 70 130 <br />Boron 2.67 mg/L 0.10 98 70 130 <br />Calcium 104 mg/L 1.0 95 70 130 <br />Iron 1.98 mg/L 0.030 94 70 130 <br />Magnesium 97.9 mg/L 1.0 95 70 130 <br />Potassium 95.2 mg/L 1.0 92 70 130 <br />Sodium 560 mg/L 1.0 70 130 A <br />Sample ID: C11020156-0038MSD 7 Sample Matrix Spike Duplicate Run: ICP2-C_110215A 02/15/11 15:08 <br />Aluminum 1.92 mg/L 0.10 94 70 130 0.9 20 <br />Boron 2.69 mg/L 0.10 100 70 130 0.8 20 <br />Calcium 103 mg/L 1.0 94 70 130 1.0 20 <br />Iron 1.97 mg/L 0.030 94 70 130 0.4 20 <br />Magnesium 98.0 mg/L 1.0 95 70 130 0.1 20 <br />Potassium 93.4 mg/L 1.0 90 70 130 1.9 20 <br />Sodium 554 mg/L 1.0 70 130 0.9 20 A <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <br />A - The analyte level was greater than four times the spike level. In <br />accordance with the method % recovery is not calculated. <br />MDC - Minimum detectable concentration <br />Page 18 of 37