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www.energylab.com Helena, MT 877- 472 -0711 • Billings, MY 600- 735 -4489 • Casper, WY 888- 235 -0515 <br />- Aesb"Eisw�rnc. Stnce J95I <br />J Gillette, WY 866 - 666 -7175 •Rapid City, SD 868 -672-1225 •College Station, TX 888-600-2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />12/29/14 <br />Project: <br />Schwartz -SW 12/1/14 S27813 and S27815 <br />Work Order: <br />014120088 <br />Analyte <br />Count Result Units RL %REC Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: <br />E353.2 <br />Analytical Run: TECHNICON_141203A <br />Lab ID: <br />CCV -16 Continuing Calibration Verification Standard <br />12/03/14 13:04 <br />Nitrogen, <br />Nitrate +Nitrite as N 0.993 mg /L 0.10 99 90 <br />110 <br />0.10 <br />Method: E353.2 <br />Batch: R193948 <br />Lab ID: MBLK -1 <br />Method Blank <br />Run: TECHNICON_141203A <br />12/03/14 12:27 <br />Nitrogen, Nitrate +Nitrite as N <br />ND mg /L <br />0.01 <br />Lab ID: LFB -3 <br />Laboratory Fortified Blank <br />Run: TECHNICON_141203A <br />12/03/14 12:32 <br />Nitrogen, Nitrate +Nitrite as N <br />2.03 mg /L <br />0.10 <br />104 90 110 <br />Lab ID: C14120083- 001AMS <br />Sample Matrix Spike <br />Run: TECHNICON_141203A <br />12/03/14 13:12 <br />Nitrogen, Nitrate +Nitrite as N <br />6.97 mg /L <br />0.20 <br />106 90 110 <br />Lab ID: 014120083- 001AMSD <br />Sample Matrix Spike Duplicate <br />Run: TECHNICON_141203A <br />12/03/14 13:14 <br />Nitrogen, Nitrate +Nitrite as N <br />6.75 mg /L <br />0.20 <br />101 90 110 3.2 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 16 of 25 <br />