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• k cl www.a wltiflab.com ± Helena, MT 877- 472 -0711 • Billings, W 800 -735 -4489 • Casper, WY 888- 235 -0515 <br />c AeaholafEreaA7waStaca Im ) Gillette, WY 866 -686 -1175 • Rapid City, SD 886- 672 -1225 + College Station, TX 888 -680 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />07/05/13 <br />Project: <br />Schwartz GW 06/12/13 S27034 <br />Work Order: <br />013060505 <br />Analyte <br />Count Result Units <br />RL %REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E200.8 <br />E200.8 <br />Analytical Run: ICPMS2- C_130619A <br />Sample ID: ICV <br />7 Initial Calibration <br />Verification Standard <br />Sample ID: <br />MB -37915 <br />06/20/13 03:18 <br />Aluminum <br />0.0495 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Antimony <br />0.0529 <br />mg /L <br />0.0010 <br />106 <br />90 <br />110 <br />Arsenic <br />0.0498 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Copper <br />0.0502 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Lead <br />0.0502 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Manganese <br />0.0500 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Thallium <br />0.0507 <br />mg /L <br />0.0010 <br />101 <br />90 <br />110 <br />Method: <br />E200.8 <br />Batch: 37915 <br />Sample ID: <br />MB -37915 <br />7 <br />Method Blank <br />Run: ICPMS2- C_130619A <br />06/20/13 03:41 <br />Aluminum <br />0.002 <br />mg /L <br />0.0007 <br />Antimony <br />0.0002 <br />mg /L <br />6E -05 <br />Arsenic <br />0.0009 <br />mg /L <br />0.0002 <br />Copper <br />0.0001 <br />mg /L <br />0.0001 <br />Lead <br />ND <br />mg /L <br />2E -05 <br />Manganese <br />0.0004 <br />mg /L <br />7E -05 <br />Thallium <br />ND <br />mg /L <br />4E -05 <br />Sample ID: <br />LCS3 -37915 <br />7 <br />Laboratory Control <br />Sample <br />Run: ICPMS2- C_130619A <br />06/20/13 03:44 <br />Aluminum <br />2.38 <br />mg /L <br />0.030 <br />95 <br />85 115 <br />Antimony <br />0.541 <br />mg /L <br />0.0010 <br />108 <br />85 115 <br />Arsenic <br />0 472 <br />mg /L <br />0.0010 <br />94 <br />85 115 <br />Copper <br />0.475 <br />mg /L <br />0.0050 <br />95 <br />85 115 <br />Lead <br />0.507 <br />mg /L <br />0.0010 <br />101 <br />85 115 <br />Manganese <br />2.44 <br />mg /L <br />0.0010 <br />97 <br />85 115 <br />Thallium <br />0.484 <br />mg /L <br />0.00050 <br />97 <br />85 115 <br />Sample ID: <br />C13060490- 008AMS3 <br />7 <br />Sample Matrix Spike <br />Run: ICPMS2- C_130619A <br />06/20/13 03:53 <br />Aluminum <br />2.30 <br />mg /L <br />0.030 <br />92 <br />70 130 <br />Antimony <br />0 539 <br />mg /L <br />0.0010 <br />108 <br />70 130 <br />Arsenic <br />0 470 <br />mg /L <br />0.0010 <br />93 <br />70 130 <br />Copper <br />0.479 <br />mg /L <br />0.0050 <br />92 <br />70 130 <br />Lead <br />0.502 <br />mg /L <br />0.0010 <br />100 <br />70 130 <br />Manganese <br />2.38 <br />mg /L <br />0.0010 <br />95 <br />70 130 <br />Thallium <br />0.488 <br />mg /L <br />0.00050 <br />98 <br />70 130 <br />Sample ID: <br />C13060490- 008AMSD3 <br />7 <br />Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_130619A <br />06/20/13 03:56 <br />Aluminum <br />227 <br />mg /L <br />0.030 <br />91 <br />70 130 <br />1.4 <br />20 <br />Antimony <br />0 487 <br />mg /L <br />0.0010 <br />97 <br />70 130 <br />10 <br />20 <br />Arsenic <br />0.472 <br />mg /L <br />0.0010 <br />93 <br />70 130 <br />0.2 <br />20 <br />Copper <br />0.481 <br />mg /L <br />0.0050 <br />92 <br />70 130 <br />0.4 <br />20 <br />Lead <br />0.499 <br />mg /L <br />0.0010 <br />100 <br />70 130 <br />0.6 <br />20 <br />Manganese <br />2.35 <br />mg /L <br />0.0010 <br />94 <br />70 130 <br />1.5 <br />20 <br />Thallium <br />0.484 <br />mg /L <br />0.00050 <br />97 <br />70 130 <br />0.7 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit <br />ND - Not detected at the reporting limit. <br />MDC - Minimum <br />detectable concentration <br />Page 10 of 21 <br />