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www.emmirlati.com Helena, MT 877472 -0711 - Billings, W 600 -735 -4469 - Casper, WY 888 - 235 -6515 <br />' $hw'ff2 J Gillette, WY 866- 686 -7175 - Rapid City, SO 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 />07/08/13 <br />Project: Schwartz SW 6/5/2013 <br />S26940 <br />Work Order: <br />C13060211 <br />Analyte Count Result <br />Units <br />RL <br />%REC <br />Low Limit <br />High Limit <br />RPD <br />RPDL[mit Qua[ <br />Method: E200.7 <br />Batch: R175001 <br />Sample ID: LFB- 130619A <br />8 Laboratory Fortified Blank <br />Run: ICP4- C_130619A <br />06/19/13 13:47 <br />Manganese <br />0.926 <br />mg /L <br />0.010 <br />93 <br />85 <br />115 <br />Potassium <br />46.7 <br />mg /L <br />0.50 <br />93 <br />85 <br />115 <br />Sodium <br />47.2 <br />mg /L <br />050 <br />94 <br />85 <br />115 <br />Zinc <br />0.921 <br />mg /L <br />0.010 <br />92 <br />85 <br />115 <br />Sample ID: C13060161- 002BMS2 <br />8 Sample Matrix Spike <br />Run: ICP4- C_130619A <br />06/19/13 21:07 <br />Aluminum <br />1.97 <br />mg /L <br />0.030 <br />96 <br />70 <br />130 <br />Calcium <br />141 <br />mg /L <br />1.0 <br />98 <br />70 <br />130 <br />Iron <br />2.20 <br />mg /L <br />0.030 <br />97 <br />70 <br />130 <br />Magnesium <br />108 <br />mg /L <br />1.0 <br />97 <br />70 <br />130 <br />Manganese <br />1.94 <br />mg /L <br />0.0020 <br />93 <br />70 <br />130 <br />Potassium <br />112 <br />mg /L <br />1.0 <br />98 <br />70 <br />130 <br />Sodium <br />328 <br />mg /L <br />1.0 <br />95 <br />70 <br />130 <br />Zinc <br />1.91 <br />mg /L <br />0.010 <br />93 <br />70 <br />130 <br />Sample ID: C13060161- 002BMSD2 <br />8 Sample Matrix Spike Duplicate <br />Run: ICP4- C_130619A <br />06/19/13 21:10 <br />Aluminum <br />1.98 <br />mg /L <br />0.030 <br />97 <br />70 <br />130 <br />0.7 <br />20 <br />Calcium <br />141 <br />mg /L <br />1.0 <br />99 <br />70 <br />130 <br />0.5 <br />20 <br />Iron <br />2.17 <br />mg /L <br />0.030 <br />95 <br />70 <br />130 <br />1.1 <br />20 <br />Magnesium <br />108 <br />mg /L <br />1.0 <br />98 <br />70 <br />130 <br />0.4 <br />20 <br />Manganese <br />1.95 <br />mg /L <br />0.0020 <br />94 <br />70 <br />130 <br />0.5 <br />20 <br />Potassium <br />112 <br />mg /L <br />1.0 <br />98 <br />70 <br />130 <br />0.1 <br />20 <br />Sodium <br />329 <br />mg /L <br />1.0 <br />95 <br />70 <br />130 <br />0.2 <br />20 <br />Zinc <br />1.91 <br />mg /L <br />0.010 <br />92 <br />70 <br />130 <br />0.2 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 13 of 27 <br />