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www.emr&ab.com Helena, MT B77- 472 -0711 a Billings, MT 800- 735 -4489 - Casper, WY 888- 235 -0515 <br />�M <br />Aw"CW Lrcabm Sk a IB51 Gillette, WY 866- 686 -7175 - Rapid City, SO 888- 672 -1225 a College Station, TX 888 -690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 1/24/13 S26788 <br />Analyte Count Result Units <br />Method: E353.2 <br />Report Date: 02/13/13 <br />Work Order: C13010781 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Analytical Run: SUB - 13199068 <br />Sample ID: ICV Initial Calibration Verification Standard 01/30/13 09:23 <br />Nitrogen, Nitrate +Nitrite as N 22.5 mg /L 0.060 103 90 110 <br />Method: E353.2 <br />Sample ID: MBLK <br />Method Blank <br />Run: SUB - 13199068 <br />Nitrogen, Nitrate +Nitrite as N <br />ND mg /L <br />0.003 <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Run: SUB - 8199068 <br />Nitrogen, Nitrate +Nitrite as N <br />1.06 mg /L <br />0.010 <br />108 90 110 <br />Sample ID: B13011887- 001AMS <br />Sample Matrix Spike <br />Run: SUB - 13199068 <br />Nitrogen, Nitrate +Nitrite as N <br />1.03 mg /L <br />0.010 <br />106 90 110 <br />Sample ID: B13011887- 001AMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB - 6199068 <br />Nitrogen, Nitrate +Nitrite as N <br />1.06 mg /L <br />0.010 <br />108 90 110 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Batch: B R199068 <br />01/30/13 09:24 <br />01/30/13 09:25 <br />01/30/13 10:04 <br />01/30/13 10:06 <br />2.0 10 <br />Page 18 of 24 <br />