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www.energylati.com I Helena, MT 877- 472 -0711 - Billings, W 800 - 735 -4489 - Casper, WY 888- 235 -0515 <br />f Ewsksm SkatM Gillette, WY 866 -686 -7175 - Rapid City, SO 886 -672 -1225 - College Station, TX 888 - 690 -2216 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 05/29/13 <br />Project: Schwartz -SW 5/4/13 S26868 S26869 Work Order: C13050235 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 Analytical Run: ICPMS4- C_130509A <br />Sample ID: ICV 14 Initial Calibration Verification Standard 05/09/13 11:58 <br />Aluminum <br />0.0520 <br />mg /L <br />0.0010 <br />104 <br />90 <br />110 <br />Antimony <br />0.0550 <br />mg /L <br />0.0010 <br />110 <br />90 <br />110 <br />Arsenic <br />0.0502 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Boron <br />0.0549 <br />mg /L <br />0.0010 <br />110 <br />90 <br />110 <br />Chromium <br />0.0498 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Copper <br />00494 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Iron <br />1.00 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Lead <br />0.0508 <br />mg /L <br />0.0010 <br />102 <br />90 <br />110 <br />Manganese <br />0.0508 <br />mg /L <br />0.0010 <br />102 <br />90 <br />110 <br />Molybdenum <br />0.0501 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Silver <br />0.0207 <br />mg /L <br />0.0010 <br />104 <br />90 <br />110 <br />Thallium <br />0.0516 <br />mg /L <br />0.0010 <br />103 <br />90 <br />110 <br />Uranium <br />0.0502 <br />mg /L <br />0.00030 <br />100 <br />90 <br />110 <br />Zinc <br />0.0514 <br />mg /L <br />0.0010 <br />103 <br />90 <br />110 <br />Method: E200.8 <br />14 Laboratory Control Sample <br />Sample ID: MB -37425 <br />14 Method Blank <br />2.44 <br />mg /L <br />Aluminum <br />0.002 <br />mg /L <br />0.001 <br />Antimony <br />0.0005 <br />mg /L <br />0.0001 <br />Arsenic <br />0.001 <br />mg /L <br />4E -05 <br />Boron <br />0.001 <br />mg /L <br />0.0005 <br />Chromium <br />0.0005 <br />mg /L <br />1 E -05 <br />Copper <br />0.0002 <br />mg /L <br />2E -05 <br />Iron <br />0.002 <br />mg /L <br />0.0008 <br />Lead <br />ND <br />mg /L <br />1 E -05 <br />Manganese <br />0.0002 <br />mg /L <br />4E -05 <br />Molybdenum <br />ND <br />mg /L <br />4E -05 <br />Silver <br />ND <br />mg /L <br />8E -05 <br />Thallium <br />ND <br />mg /L <br />3E -05 <br />Uranium <br />ND <br />mg /L <br />8E -06 <br />Zinc <br />0.0003 <br />mg /L <br />0.0002 <br />Batch: 37425 <br />Run: ICPMS4 -C 130509A 05/10/13 04:38 <br />Sample ID: LCS3 -37425 <br />14 Laboratory Control Sample <br />Run: ICPMS4- C_130509A <br />Aluminum <br />2.44 <br />mg /L <br />0.030 <br />98 <br />85 <br />115 <br />Antimony <br />0.529 <br />mg /L <br />0.0010 <br />106 <br />85 <br />115 <br />Arsenic <br />0.504 <br />mg /L <br />0.0010 <br />101 <br />85 <br />115 <br />Boron <br />0.497 <br />mg /L <br />0.050 <br />99 <br />85 <br />115 <br />Chromium <br />0.487 <br />mg /L <br />0.0050 <br />97 <br />85 <br />115 <br />Copper <br />0.492 <br />mg /L <br />0.0050 <br />98 <br />85 <br />115 <br />Iron <br />2.51 <br />mg /L <br />0.030 <br />100 <br />85 <br />115 <br />Lead <br />0.506 <br />mg /L <br />0.0010 <br />101 <br />85 <br />115 <br />Manganese <br />2.53 <br />mg /L <br />0.0010 <br />101 <br />85 <br />115 <br />Molybdenum <br />0.529 <br />mg /L <br />00010 <br />106 <br />85 <br />115 <br />Silver <br />0.0534 <br />mg /L <br />0.0010 <br />107 <br />85 <br />115 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />05/10/13 04:43 <br />Page 16 of 29 <br />