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www.enerdab.com Helena, MT 877472 -0711 • Billings, MT 800- 7354489 • Casper, ANY 888- 235 -6515 <br />Siam li Y Gillette, WY 866 -6B6 -1175 • Rapid City, SD 868 -672 -1225 • College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz -SW 9/4/14 S27661 <br />Analyte <br />Count Result Units <br />Method: E353.2 <br />Lab ID: MBLK -1 <br />Method Blank <br />Nitrogen, Nitrate +Nitrite as N <br />ND mg /L <br />Lab ID: LFB -3 <br />Laboratory Fortified Blank <br />Nitrogen, Nitrate +Nitrite as N <br />2.05 mg /L <br />Lab ID: 014090218 -001 LMS <br />Sample Matrix Spike <br />Nitrogen, Nitrate +Nitrite as N <br />2.14 mg /L <br />Lab ID: C14090218- 001LMSD <br />Sample Matrix Spike Duplicate <br />Nitrogen, Nitrate +Nitrite as N <br />2.15 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 19 of 26 <br />Report Date: <br />09/30/14 <br />Work Order: <br />C14090226 <br />RL <br />%REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Batch: R190800 <br />Run: TECHNICON 140908A <br />09/08/14 12:05 <br />0.05 <br />Run: TECHNICON_140908A <br />09/08/14 12:10 <br />0.10 <br />105 90 110 <br />Run: TECHNICON_140908A <br />09/08/14 12:15 <br />0.10 <br />105 90 110 <br />Run: TECHNICON_140908A <br />09/08/14 12:17 <br />0.10 <br />105 90 110 0.5 <br />10 <br />ND - Not detected at the reporting limit. <br />Page 19 of 26 <br />