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www.energylab.com Helena, MT 811 -472 -0711 • Billings, MT 601 - 735 -44BB • Casper, WY 888- 235 -0515 <br />- MmryBWDes%=Shra 1838 Gillette, WY 866 -666 -7175 • Rapid City, SD 888- 672 -1225 • College Station, TX 888 - 610 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />02/17/15 <br />Project: <br />Schwartz - GW 1/28/15 S28066, S28069, S28071 <br />Work Order: <br />C15010751 <br />Analyte <br />Count Result Units <br />RL <br />%REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: <br />E200.7 <br />Analytical Run: ICP4- C_150204A <br />Lab ID: <br />ICV <br />3 <br />Initial Calibration Verification Standard <br />02/04/15 12:26 <br />Aluminum <br />5.00 mg /L <br />0.10 <br />100 <br />95 <br />105 <br />Boron <br />0.990 mg /L <br />0.050 <br />99 <br />95 <br />105 <br />Copper <br />0.951 mg /L <br />0.010 <br />95 <br />95 <br />105 <br />Lab ID: <br />ICSA <br />3 <br />Interference Check Sample A <br />02/04/15 12:41 <br />Aluminum <br />463 mg /L <br />0.10 <br />93 <br />80 <br />120 <br />Boron <br />0.0122 mg /L <br />0.050 <br />Copper <br />0.000210 mg /L <br />0.010 <br />Lab ID: <br />ICSAB <br />3 <br />Interference Check Sample AB <br />02/04/15 12:45 <br />Aluminum <br />463 mg /L <br />0.10 <br />93 <br />80 <br />120 <br />Boron <br />0.0129 mg /L <br />0.050 <br />Copper <br />0.458 mg /L <br />0.010 <br />92 <br />80 <br />120 <br />Method: <br />E200.7 <br />Batch: 43825 <br />Lab ID: <br />MB -43825 <br />3 <br />Method Blank <br />Run: ICP4 -C 150204A <br />02/04/15 14:16 <br />Aluminum <br />ND mg /L <br />0.02 <br />Boron <br />0.008 mg /L <br />0.007 <br />Copper <br />ND mg /L <br />0.004 <br />Lab ID: <br />LCS3 -43825 <br />3 <br />Laboratory Control Sample <br />Run: ICP4- C_150204A <br />02/04/15 14:20 <br />Aluminum <br />2.56 mg /L <br />0.030 <br />102 <br />85 <br />115 <br />Boron <br />0.506 mg /L <br />0.050 <br />100 <br />85 <br />115 <br />Copper <br />0.487 mg /L <br />0.0050 <br />97 <br />85 <br />115 <br />Lab ID: <br />C15010794- 001CMS3 <br />3 <br />Sample Matrix Spike <br />Run: ICP4- C_150204A <br />02/04/15 14:47 <br />Aluminum <br />2.53 mg /L <br />0.030 <br />101 <br />70 <br />130 <br />Boron <br />0.599 mg /L <br />0.050 <br />101 <br />70 <br />130 <br />Copper <br />0.484 mg /L <br />0.0050 <br />97 <br />70 <br />130 <br />Lab ID: <br />C15010794- 001CMSD <br />3 <br />Sample Matrix Spike Duplicate <br />Run: ICP4- C_150204A <br />02/04/15 14:51 <br />Aluminum <br />2.57 mg /L <br />0.030 <br />103 <br />70 <br />130 1.8 <br />20 <br />Boron <br />0.605 mg /L <br />0.050 <br />102 <br />70 <br />130 1.1 <br />20 <br />Copper <br />0.489 mg /L <br />0.0050 <br />98 <br />70 <br />130 1.0 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 8 of 23 <br />