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�!Z ] www.eneralab.com 9' J <br />Helena, W 877- 472 -0711 • Billings, MT 808- 735 -4489 • Casper, WY 888- 235 -8515 <br />'W Gillette, WY 866 -686 -7175 a 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 Report Date: 07/05/13 <br />Project: Schwartz GW 06/07/13 S26942 & S26943 Work Order: C13060291 <br />Analyte Count Result Units RL ° /oREC Low Limit High Limit RPD RPDLimit Qual <br />Method: E353.2 Analytical Run: TECHNICON_130611A <br />Sample ID: CCV -29 Continuing Calibration Verification Standard 06/11/13 13:00 <br />Nitrogen, Nitrate +Nitrite as N 0.994 mg /L 0.10 99 90 110 <br />Method: E353.2 <br />Batch R174638 <br />Sample ID: MBLK -1 <br />Method Blank <br />Run: TECHNICON 130611A <br />06/11/13 11:50 <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_130611A <br />06/11/13 11:55 <br />Nitrogen, Nitrate +Nitrite as N <br />2.01 mg /L <br />0.10 <br />103 90 110 <br />Sample ID: C13060287- 013DMS <br />Sample Matrix Spike <br />Run- TECHNICON_130611A <br />06/11/13 13:07 <br />Nitrogen, Nitrate +Nitrite as N <br />203 mg /L <br />0.10 <br />104 90 110 <br />Sample ID: C13060287- 013DMSD <br />Sample Matrix Spike Duplicate <br />Run: TECHNICON_130611A <br />06/11/13 13:10 <br />Nitrogen, Nitrate +Nitrite as N <br />2.07 mg /L <br />0.10 <br />106 90 110 2.0 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 17 of 24 <br />