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www.ener*lab.com Helena, MT 077- 472 -0711 *Billings, MT 800 -735 -4469 *Casper, WY 08B- 235 -0515 <br />lJU >> 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 />06/19/13 <br />Project: Schwartz GW 5/23/2013 S26999 & S27000 <br />Work Order: <br />C13050906 <br />�Analyte <br />Count Result Units <br />RL <br />° /6REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E353.2 <br />Batch: R174076 <br />Sample ID: MBLK -1 <br />Method Blank <br />Run: TECHNICON_130528A <br />05/28/13 10:54 <br />Nitrogen, Nitrate +Nitrite as N <br />ND mg /L <br />0.02 <br />Sample ID: LFB -3 <br />Laboratory Fortified Blank <br />Run: TECHNICON_130528A <br />05/28/13 10:59 <br />Nitrogen, Nitrate +Nitrite as N <br />208 mg /L <br />0.10 <br />106 90 110 <br />Sample ID: C13050906- 001GMS <br />Sample Matrix Spike <br />Run: TECHNICON_130528A <br />05/28/13 11:04 <br />Nitrogen, Nitrate +Nitrite as N <br />2.40 mg /L <br />0.10 <br />107 90 110 <br />Sample ID: 013050906- 001GMSD <br />Sample Matrix Spike Duplicate <br />Run: TECHNICON_130528A <br />05/28/13 11:06 <br />Nitrogen, Nitrate +Nitrite as N <br />2.37 mg /L <br />0.10 <br />106 90 110 1.3 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 17 of 24 <br />