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• ' www.ertergylab.com <br />' <br />Helena, MT 877- 472 -0711 • Billings, MT 800 - 735 -4489 • Casper, WY 888 -235 -8515 <br />Ewsilla= SAWN rm <br />J <br />Gillette, WY 866 -606 -7175 • <br />Rapid City, So 8BB- 672 -1225 • College Station, TX 888 - 690 -2218 <br />QA/QC <br />Summary Report <br />Prepared <br />by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />06/13/13 <br />Project: Schwartz GW 5/20/13 S26987 & S26988 <br />Work Order: <br />C13050760 <br />Analyte <br />Count Result <br />Units <br />RL <br />%REC <br />Low Limit <br />High Limit RPD <br />RPDLimit oual] <br />Method: E200.8 <br />Analytical Run: ICPMS4- C_130524A <br />Sample ID: ICV <br />10 Initial Calibration Verification Standard <br />05/24/13 21:21 <br />Aluminum <br />0.0497 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Antimony <br />0.0514 <br />mg /L <br />0.0010 <br />103 <br />90 <br />110 <br />Arsenic <br />0.0497 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Copper <br />0.0489 <br />mg /L <br />0.0010 <br />98 <br />90 <br />110 <br />Iron <br />0.984 <br />mg /L <br />0.0010 <br />98 <br />90 <br />110 <br />Lead <br />0.0501 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Manganese <br />0.0501 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Silver <br />0.0204 <br />mg /L <br />0.0010 <br />102 <br />90 <br />110 <br />Thallium <br />0.0507 <br />mg /L <br />00010 <br />101 <br />90 <br />110 <br />Zinc <br />0.0510 <br />mg /L <br />0.0010 <br />102 <br />90 <br />110 <br />Method: E200.8 <br />Batch: 37595 <br />Sample ID: MB -37595 <br />10 Method Blank <br />Run: ICPMS4- C_130524A <br />05/24/13 21:47 <br />Aluminum <br />0.007 <br />mg /L <br />0.0007 <br />Antimony <br />0.0005 <br />mg /L <br />0.0002 <br />Arsenic <br />0.0006 <br />mg /L <br />0.0004 <br />Copper <br />0.0002 <br />mg /L <br />0.0002 <br />Iron <br />ND <br />mg /L <br />0.004 <br />Lead <br />ND <br />mg /L <br />4E -05 <br />Manganese <br />0.0002 <br />mg /L <br />0.0001 <br />Silver <br />ND <br />mg /L <br />0.0002 <br />Thallium <br />ND <br />mg /L <br />6E -05 <br />Zinc <br />ND <br />mg /L <br />0.0006 <br />Sample ID: LCS3 -37595 <br />10 Laboratory Control Sample <br />Run: ICPMS4- C_130524A <br />05/24/13 21:51 <br />Aluminum <br />2.44 <br />mg /L <br />0.030 <br />97 <br />85 <br />115 <br />Antimony <br />0.547 <br />mg /L <br />0.0010 <br />109 <br />85 <br />115 <br />Arsenic <br />0.515 <br />mg /L <br />0.0010 <br />103 <br />85 <br />115 <br />Copper <br />0.501 <br />mg /L <br />0.0050 <br />100 <br />85 <br />115 <br />Iron <br />2.50 <br />mg /L <br />0.030 <br />100 <br />85 <br />115 <br />Lead <br />0.511 <br />mg /L <br />0.0010 <br />102 <br />85 <br />115 <br />Manganese <br />2.62 <br />mg /L <br />0.0010 <br />105 <br />85 <br />115 <br />Silver <br />0.0520 <br />mg /L <br />0.0010 <br />104 <br />85 <br />115 <br />Thallium <br />0.498 <br />mg /L <br />0.00050 <br />100 <br />85 <br />115 <br />Zinc <br />0.526 <br />mg /L <br />0.010 <br />105 <br />85 <br />115 <br />Sample ID: C13050737 -001 CMS3 <br />10 Sample Matrix Spike <br />Run: ICPMS4- C_130524A <br />05/25/13 00 09 <br />Aluminum <br />2.50 <br />mg /L <br />0.030 <br />93 <br />70 <br />130 <br />Antimony <br />0.537 <br />mg /L <br />0.0010 <br />107 <br />70 <br />130 <br />Arsenic <br />0.508 <br />mg /L <br />0.0010 <br />101 <br />70 <br />130 <br />Copper <br />0.467 <br />mg /L <br />0.0050 <br />93 <br />70 <br />130 <br />Iron <br />2.59 <br />mg /L <br />0 030 <br />100 <br />70 <br />130 <br />Lead <br />0.519 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 <br />Manganese <br />2.60 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 <br />Silver <br />0.0497 <br />mg /L <br />0.0010 <br />99 <br />70 <br />130 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 13 of 24 <br />