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www.enerdab.com Helena, MT 877- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888 - 235 -0515 <br />A-"W �' A- 1152 Gillette, WY 866- 686 -7175 • Rapid City, SD 888472 -1225 • CDHege Station, T% 888 - 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz -GW 9/10/14 S27680,S27681 <br />Analyte Count Result Units <br />Method: E353.2 <br />Lab ID: CCV -44 <br />Continuing Calibration Verifica <br />Nitrogen, Nitrate +Nitrite as N <br />0.918 mg /L <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 />2.04 mg /L <br />Lab ID: C14090450- 001DMS <br />Sample Matrix Spike <br />Nitrogen, Nitrate +Nitrite as N <br />2.17 mg /L <br />Lab ID: 014090450- 001DMSD <br />Sample Matrix Spike Duplicate <br />Nitrogen, Nitrate +Nitrite as N <br />2.19 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Report Date: 09/30/14 <br />Work Order: C14090456 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Analytical Run: TECHNICON_140912A <br />tion Standard 09/12/14 13:15 <br />0.10 92 90 110 <br />Batch: R191019 <br />Run: TECHNICON 140912A 09/12/14 11:28 <br />0.05 <br />Run: TECHNICON_140912A 09/12/14 11:33 <br />0.10 104 90 110 <br />Run: TECHNICON_140912A 09/12/14 13:23 <br />0.10 103 90 110 <br />Run: TECHNICON_140912A 09/12/14 13:25 <br />0.10 104 90 110 0.9 10 <br />ND - Not detected at the reporting limit. <br />Page 17 of 25 <br />