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www.erier&dsb.com Helena, MT 877- 472 -0711 - Billings, W 800- 735 -4469 - Casper, WY 888 -235 -0515 <br />Ae>h!lnl Endow siaa ilsr i <br />I? 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 />07/16/13 <br />Project: Schwartz GW 6/20/1 S27008 <br />& S2009 <br />Work Order: <br />C13060813 <br />[Analyte Count Result <br />Units <br />RL <br />%REC <br />Low Limit <br />High Limit <br />RPD <br />RPDLimit Qual <br />Method: E200.7 <br />Batch: R175320 <br />Sample ID: LFB- 130627A <br />8 Laboratory Fortified Blank <br />Run: ICP4- C_130627A <br />06/27/13 12:03 <br />Manganese <br />0.935 <br />mg /L <br />0.010 <br />94 <br />85 <br />115 <br />Potassium <br />46.0 <br />mg /L <br />0.50 <br />92 <br />85 <br />115 <br />Sodium <br />47.3 <br />mg /L <br />0.50 <br />95 <br />85 <br />115 <br />Zinc <br />0.935 <br />mg /L <br />0.010 <br />94 <br />85 <br />115 <br />Sample ID: C13060816 -001 BMS2 <br />8 Sample Matrix Spike <br />Run: ICP4- C_130627A <br />06/27/13 19:26 <br />Aluminum <br />208 <br />mg /L <br />0.030 <br />101 <br />70 <br />130 <br />Calcium <br />213 <br />mg /L <br />1.0 <br />94 <br />70 <br />130 <br />Iron <br />2.01 <br />mg /L <br />0.030 <br />98 <br />70 <br />130 <br />Magnesium <br />119 <br />mg /L <br />1.0 <br />96 <br />70 <br />130 <br />Manganese <br />2.10 <br />mg /L <br />0.0020 <br />95 <br />70 <br />130 <br />Potassium <br />109 <br />mg /L <br />1.0 <br />100 <br />70 <br />130 <br />Sodium <br />287 <br />mg /L <br />1.0 <br />93 <br />70 <br />130 <br />Zinc <br />1.86 <br />mg /L <br />0.010 <br />91 <br />70 <br />130 <br />Sample ID: C13060816- 001BMSD2 <br />8 Sample Matrix Spike Duplicate <br />Run- ICP4- C_130627A <br />06/27/13 19:29 <br />Aluminum <br />2.07 <br />mg /L <br />0.030 <br />100 <br />70 <br />130 <br />0.4 <br />20 <br />Calcium <br />212 <br />mg /L <br />1.0 <br />93 <br />70 <br />130 <br />0.2 <br />20 <br />Iron <br />2.00 <br />mg /L <br />0.030 <br />97 <br />70 <br />130 <br />0.5 <br />20 <br />Magnesium <br />119 <br />mg /L <br />1.0 <br />96 <br />70 <br />130 <br />0.1 <br />20 <br />Manganese <br />2.10 <br />mg /L <br />0.0020 <br />96 <br />70 <br />130 <br />0.0 <br />20 <br />Potassium <br />107 <br />mg /L <br />1.0 <br />99 <br />70 <br />130 <br />1.4 <br />20 <br />Sodium <br />285 <br />mg /L <br />1.0 <br />91 <br />70 <br />130 <br />0.7 <br />20 <br />Zinc <br />1.87 <br />mg /L <br />0.010 <br />91 <br />70 <br />130 <br />0.5 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 11 of 23 <br />