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www.en Edab.com Helena, MT 877 -472 -0711 • Billings, MT 801- 735 -4488 • Casper, WY 888 -235 -0515 <br />fteft1Q1 'r Giliette, WY 866- 686 -7175 • Rapid City, SD 886 -672 -1225 • College Station, TX 888 -688 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 1/14/15 S28103, S28106, S28107 <br />Analyte Count Result units <br />Report Date: <br />Work Order: <br />RL %REC Low Limit High Limit RPD <br />02/02/15 <br />C15010389 <br />RPDLimit Qual <br />Method: E353.2 <br />Analytical Run: TECHNICON_150116A <br />Lab ID: CCV -33 <br />Continuing Calibration Verification <br />Standard <br />01/16/15 14:39 <br />Nitrogen, Nitrate +Nitrite as N <br />1.07 mg /L <br />0.10 <br />107 <br />90 110 <br />Method: E353.2 <br />Batch: R195266 <br />Lab ID: MBLK -1 <br />Method Blank <br />Run: TECHNICON 150116A <br />01/16/15 13:19 <br />Nitrogen, Nitrate +Nitrite as N <br />ND mg /L <br />0.01 <br />Lab ID: LFB -4 <br />Laboratory Fortified Blank <br />Run: TECHNICON_150116A <br />01/16/15 13:26 <br />Nitrogen, Nitrate +Nitrite as N <br />2.09 mg /L <br />0.10 <br />107 <br />90 110 <br />Lab ID: C15010374- 002DMS <br />Sample Matrix Spike <br />Run: TECHNICON_150116A <br />01/16/15 14:46 <br />Nitrogen, Nitrate +Nitrite as N <br />2.43 mg /L <br />0.10 <br />110 <br />90 110 <br />Lab ID: C15010374- 002DMSD <br />Sample Matrix Spike Duplicate <br />Run: TECHNICON_150116A <br />01/16/15 14:49 <br />Nitrogen, Nitrate +Nitrite as N <br />2.41 mg /L <br />0.10 <br />109 <br />90 110 0.8 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 11 of 19 <br />