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www.energylab.com Helena, MT 577-472-0711 • Billings, MT BBU-137-445V • Casper, wt Goo-caa-uaIa <br />AMYdeafhufta5AN 1931 Gillette, WY 866-686-7175 • Rapid City, SO 888-672-1225 • College Station, TX 888-690-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz SW02-03-11 S25602-S25608 <br />Analyte Count Result Units <br />Method: E300.0 <br />Sample ID: LCS 2 Laboratory Control Sample <br />Chloride 9.96 mg/L <br />Sulfate 40.0 mg/L <br />Sample ID: MBLK 2 Method Blank <br />Chloride ND mg/L <br />Sulfate ND mg/L <br />Sample ID: LFB 2 Laboratory Fortified Blank <br />Chloride 12.1 mg/L <br />Sulfate 49.5 mg/L <br />Sample ID: C1 1020189-001 BMS 2 Sample Matrix Spike <br />Chloride 47.0 mg/L <br />Sulfate 60.9 mg/L <br />Sample ID: C1 1020189-001 BMSD 2 Sample Matrix Spike Duplicate <br />Chloride 47.2 mg/L <br />Sulfate 61.6 mg/L <br />Report Date: 03/04/11 <br />Work Order: C11020189 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Batch: R142838 <br />Run: IC2-C_110215A 02/15/11 13:19 <br />1.0 100 90 110 <br />1.0 100 90 110 <br />Run: IC2-C 110215A 02/15/11 13:37 <br />3.0 <br />5.0 <br /> Run: IC2-C_110215A 02/15/11 14:12 <br />1.0 97 90 110 <br />1.0 99 90 110 <br /> Run: IC2-C_110215A 02/15/11 19:43 <br />1.0 99 80 120 <br />1.0 99 80 120 <br /> Run: IC2-C_110215A 02/15/11 20:00 <br />1.0 101 80 120 0.4 10 <br />1.0 100 80 120 1.0 10 <br />Method: E300.0 <br />Sample ID: LCS Laboratory Control Sample <br />Sulfate 39.6 mg/L <br />Sample ID: MBLK Method Blank <br />Sulfate ND mg/L <br />Sample ID: LFB Laboratory Fortified Blank <br />Sulfate 48.6 mg/L <br />Sample ID: 011020361-004AMS Sample Matrix Spike <br />Sulfate 748 mg/L <br />Sample ID: C11020361-004AMSD Sample Matrix Spike Duplicate <br />Sulfate 744 mg/L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br /> Batch: R143004 <br /> Run: IC2-C_110222A 02/22/11 15:00 <br />1.0 99 90 110 <br /> Run: IC2-C 110222A 02/22/11 15:16 <br />5.0 <br /> Run: IC2-C_110222A 02/22/11 15:49 <br />1.0 97 90 110 <br /> Run: IC2-C_110222A 02/22/11 21:18 <br />8.0 95 80 120 <br /> Run: IC2-C_110222A 02/22/11 21:34 <br />8.0 94 80 120 0.5 10 <br />ND - Not detected at the reporting limit. <br />Page 22 of 37