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wwwtwmlab.com Helena, MT 877. 472 -0711 • Billings, W 800- 735 -4488 • Casper, WY 888- 235 -1515 <br />draw— "W Gillette, WY 866 - 686 -7175 • Rapid City, SD 886 - 672 -1225 • College Station, T% 888- 680 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 10/24/13 <br />Project: Schwartz GW 9/25/13 S27178 & S27179 Work Order: C13091022 <br />Analyte Count Result Units RL 0/49EC Low Limit High Limit RPD RPDLimit Qual <br />Method: E353.2 Analytical Run: SUB- B212770 <br />Sample ID: ICV Initial Calibration Verification Standard 10/04/13 08:49 <br />Nitrogen, Nitrate +Nitrite as N 23.0 mg /L 0.060 105 90 110 <br />Method: E353.2 <br />Sample ID: MBLK <br />Method Blank <br />Nitrogen, Nitrate +Nitrite as N <br />ND mg /L <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Nitrogen, Nitrate +Nitrite as N <br />1.02 mg /L <br />Sample ID: B13100081- 002EMS <br />Sample Matrix Spike <br />Nitrogen, Nitrate +Nitrite as N <br />1.03 mg /L <br />Sample ID: B13100081- 002EMSD <br />Sample Matrix Spike Duplicate <br />Nitrogen, Nitrate +Nitrite as N <br />1.03 mg /L <br />Sample ID: B13100130 -001 AMS <br />Sample Matrix Spike <br />Nitrogen, Nitrate +Nitrite as N <br />0.593 mg /L <br />Sample ID: B13100130 -001 AMSD <br />Sample Matrix Spike Duplicate <br />Nitrogen, Nitrate +Nitrite as N <br />0.598 mg /L <br />Sample ID: B13100150-003CMS <br />Sample Matrix Spike <br />Nitrogen, Nitrate +Nitrite as N <br />1.07 mg /L <br />Sample ID: B13100150- 003CMSD <br />Sample Matrix Spike Duplicate <br />Nitrogen, Nitrate +Nitrite as N <br />1.07 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 18 of 26 <br />Batch: B R212770 <br />Run: SUB - 8212770 <br />10/04/13 08:50 <br />0.001 <br />Run: SUB- B212770 <br />10/04/13 08:51 <br />0 010 <br />102 <br />90 <br />110 <br />Run: SUB - 8212770 <br />10/04/13 11:22 <br />0.010 <br />103 <br />90 <br />110 <br />Run: SUB- B212770 <br />10/04/13 11:23 <br />0.010 <br />103 <br />90 <br />110 <br />0.3 10 <br />Run: SUB - 8212770 <br />10/04/13 10:03 <br />0.010 <br />56 <br />90 <br />110 <br />S <br />Run: SUB - 6212770 <br />10/04/13 10:05 <br />0.010 <br />56 <br />90 <br />110 <br />0.8 10 S <br />Run: SUB - 8212770 <br />10/04/13 11:55 <br />0.010 <br />98 <br />90 <br />110 <br />Run: SUB- B212770 <br />10/04/13 11:56 <br />0.010 <br />98 <br />90 <br />110 <br />0.1 10 <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 18 of 26 <br />