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www.ener&b.com Helena, MT 671472 -0711 • Billings, MT 800 - 735 -4189 • Casper, WY 888- 235 -8515 <br />Mill A"�"avab 'ft' y Gillette, WY 866-686 -7175 • Rapid City, SD 886- 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 />02/25/14 <br />Project: Schwartz -SW 2/4/14 S27322 <br />Work <br />Order: <br />01 40201 1 4 <br />F alyte 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: ICP2- C_140207A <br />Sample ID: ICV <br />5 Initial Calibration Verification Standard <br />02/07/14 12:22 <br />Aluminum <br />4.73 mg /L <br />0.10 <br />95 <br />95 <br />105 <br />Iron <br />5.14 mg /L <br />0.030 <br />103 <br />95 <br />105 <br />Manganese <br />4.92 mg /L <br />0.010 <br />98 <br />95 <br />105 <br />Molybdenum <br />1.02 mg /L <br />0.10 <br />102 <br />95 <br />105 <br />Zinc <br />0 977 mg /L <br />0.010 <br />98 <br />95 <br />105 <br />Sample ID: ICSA <br />5 Interference Check Sample A <br />02/07/14 12:51 <br />Aluminum <br />489 mg /L <br />0.10 <br />98 <br />80 <br />120 <br />Iron <br />191 mg /L <br />0.030 <br />96 <br />80 <br />120 <br />Manganese <br />0.000300 mg /L <br />0.010 <br />Molybdenum <br />- 0.0195 mg /L <br />0.10 <br />Zinc <br />- 0.0132 mg /L <br />0.010 <br />Sample ID: ICSAB <br />5 Interference Check Sample AB <br />02/07/14 12:55 <br />Aluminum <br />491 mg /L <br />0.10 <br />98 <br />80 <br />120 <br />Iron <br />192 mg /L <br />0.030 <br />96 <br />80 <br />120 <br />Manganese <br />0.497 mg /L <br />0.010 <br />99 <br />80 <br />120 <br />Molybdenum <br />- 0.0225 mg /L <br />0.10 <br />Zinc <br />0.971 mg /L <br />0.010 <br />97 <br />80 <br />120 <br />Method: E200.7 <br />Batch: 40544 <br />Sample ID: MB -40544 <br />5 Method Blank <br />Run: ICP2 -C 140207A <br />02/07/14 15:12 <br />Aluminum <br />ND mg /L <br />0.01 <br />Iron <br />0 004 mg /L <br />0.001 <br />Manganese <br />ND mg /L <br />0.0002 <br />Molybdenum <br />ND mg /L <br />0.004 <br />Zinc <br />ND mg /L <br />0.002 <br />Sample ID: LCS3 -40544 <br />5 Laboratory Control Sample <br />Run: ICP2- C_140207A <br />02/07/14 15:16 <br />Aluminum <br />2.4 mg /L <br />0.10 <br />94 <br />85 <br />115 <br />Iron <br />2.5 mg /L <br />0.030 <br />100 <br />85 <br />115 <br />Manganese <br />2.4 mg /L <br />0.010 <br />96 <br />85 <br />115 <br />Molybdenum <br />0.51 mg /L <br />0.10 <br />101 <br />85 <br />115 <br />Zinc <br />0.48 mg /L <br />0.010 <br />97 <br />85 <br />115 <br />Sample ID: 014020109 -001 DMS3 <br />5 Sample Matrix Spike <br />Run: ICP2- C_140207A <br />02/07/14 16:04 <br />Aluminum <br />2.37 mg /L <br />0.030 <br />94 <br />70 <br />130 <br />Iron <br />2.56 mg /L <br />0 030 <br />100 <br />70 <br />130 <br />Manganese <br />2.48 mg /L <br />0.0010 <br />98 <br />70 <br />130 <br />Molybdenum <br />0.506 mg /L <br />0.0023 <br />101 <br />70 <br />130 <br />Zinc <br />0.481 mg /L <br />0 010 <br />95 <br />70 <br />130 <br />Sample ID: C14020109 -001 DMSD3 <br />5 Sample Matrix Spike Duplicate <br />Run: ICP2- C_140207A <br />02/07/14 16:08 <br />Aluminum <br />2.36 mg /L <br />0.030 <br />94 <br />70 <br />130 <br />0.5 <br />20 <br />Iron <br />2.57 mg /L <br />0.030 <br />100 <br />70 <br />130 <br />0.2 <br />20 <br />Manganese <br />2.49 mg /L <br />0.0010 <br />98 <br />70 <br />130 <br />0.1 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 10 of 26 <br />