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www.energylab.com Helena, W 877- 472 -0711 - Billings, W 801- 735 -4489 - Casper, WY 888- 235 -0515 <br />Aaslj"6-*R -SAaa IATZ Gillette, WY 866 -686 7175 - Rapid City, SD 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 />Report Date: <br />02/02/15 <br />Project: Schwartz GW 1/14/15 S28103, S28106, S28107 <br />Work Order: <br />C15010389 <br />Analyte Count Result Units <br />RL <br />%REC <br />Low Limit <br />High Limit <br />RPD <br />RPDLimit Qual <br />Method: E200.7 <br />Analytical Run: ICP4- C_150120A <br />Lab ID: ICV <br />3 <br />Initial Calibration Verification Standard <br />01/20/15 12:52 <br />Aluminum <br />5.04 mg /L <br />0.10 <br />101 <br />95 <br />105 <br />Boron <br />0.982 mg /L <br />0.050 <br />98 <br />95 <br />105 <br />Copper <br />0.953 mg /L <br />0.010 <br />95 <br />95 <br />105 <br />Lab ID: ICSA <br />3 <br />Interference Check Sample A <br />01/20/15 13:07 <br />Aluminum <br />489 mg /L <br />0.10 <br />98 <br />80 <br />120 <br />Boron <br />0.0186 mg /L <br />0.050 <br />Copper <br />0.00572 mg /L <br />0.010 <br />Lab ID: ICSAB <br />3 <br />Interference Check Sample AB <br />01/20/15 13:11 <br />Aluminum <br />488 mg /L <br />0.10 <br />98 <br />80 <br />120 <br />Boron <br />0.0172 mg /L <br />0.050 <br />Copper <br />0.478 mg /L <br />0.010 <br />96 <br />80 <br />120 <br />Method: E200.7 <br />Batch: 43704 <br />Lab ID: MB -43704 <br />3 <br />Method Blank <br />Run: ICP4 -C 150120A <br />01/20/15 14:43 <br />Aluminum <br />ND mg /L <br />0.02 <br />Boron <br />ND mg /L <br />0.007 <br />Copper <br />ND mg /L <br />0.004 <br />Lab ID: LCS3 -43704 <br />3 <br />Laboratory Control Sample <br />Run: ICP4- C_150120A <br />01/20/15 14:47 <br />Aluminum <br />2.57 mg /L <br />0.030 <br />103 <br />85 <br />115 <br />Boron <br />0.491 mg /L <br />0.050 <br />98 <br />85 <br />115 <br />Copper <br />0.488 mg /L <br />0.0050 <br />98 <br />85 <br />115 <br />Lab ID: C15010424- 002AMS3 <br />3 <br />Sample Matrix Spike <br />Run: ICP4- C_150120A <br />01/20/15 15:29 <br />Aluminum <br />2.51 mg /L <br />0.030 <br />101 <br />70 <br />130 <br />Boron <br />0.549 mg /L <br />0.050 <br />99 <br />70 <br />130 <br />Copper <br />0.489 mg /L <br />0.0088 <br />98 <br />70 <br />130 <br />Lab ID: C15010424- 002AMSD <br />3 <br />Sample Matrix Spike Duplicate <br />Run: ICP4- <br />C_150120A <br />01/20/15 15:33 <br />Aluminum <br />2.53 mg /L <br />0.030 <br />101 <br />70 <br />130 <br />0.6 <br />20 <br />Boron <br />0.555 mg /L <br />0.050 <br />101 <br />70 <br />130 <br />1.0 <br />20 <br />Copper <br />0.495 mg /L <br />0.0088 <br />99 <br />70 <br />130 <br />1.1 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting <br />limit. <br />MDC - Minimum detectable concentration <br />Page 6 of 19 <br />