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\ www.energylab.com j Helena, MT 677 -472 -0711 • Billings, W 808 - 1354469 • Casper, WY 888- 235 -0515 <br />gm#" °Q Sm 1132 J Gillette, WY 866 -686 -7175 • Rapid City, SO 886 -672 -1225 a College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Revised Date: <br />09/04/13 <br />Client: Cotter Corporation <br />Report Date: <br />09/03/13 <br />Project: Schwartz -SW 8/6/13 <br />S27020 Work Order: <br />C13080303 <br />Analyte <br />Count Result Units RL ° /oREC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E353.2 <br />Analytical Run: SUB - 6209980 <br />Sample ID: ICV <br />Initial Calibration Verification Standard <br />08/14/13 11:00 <br />Nitrogen, Nitrate +Nitrite as N <br />220 mg /L 0.060 101 90 110 <br />Method: E353.2 <br />Batch: B R209980 <br />Sample ID: MBLK <br />Method Blank Run. SUB - 13209980 <br />08/14/13 11:01 <br />Nitrogen, Nitrate +Nitrite as N <br />ND mg /L 0.001 <br />Sample ID: LFB <br />Laboratory Fortified Blank Run: SUB - 13209980 <br />08/14/13 11:03 <br />Nitrogen, Nitrate +Nitrite as N <br />0.986 mg /L 0.010 99 90 110 <br />Sample ID: B13080842- 001BMS <br />Sample Matrix Spike Run- SUB - 13209980 <br />08/14/13 13:42 <br />Nitrogen, Nitrate +Nitrite as N <br />1.21 mg /L 0.010 95 90 110 <br />Sample ID: B13080842- 001BMSD <br />Sample Matrix Spike Duplicate Run: SUB - 13209980 <br />08/14/13 13:43 <br />Nitrogen, Nitrate +Nitrite as N <br />1.21 mg /L 0.010 96 90 110 0.5 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 19 of 26 <br />