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• www.emdab.com Helena, HT 977472 -0711 • Billings, SAT 800- 7354489 • Casper, WY 888- 235-0515 <br />• AUWWE=vMMW Am 1932 f Gillette, WY 866 - 686 -7175 • Rapid City, SD 888 -672 -1225 • College Station, T% 888 -690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 06/12/13 <br />Project: Schwartz 5/16/13 S26976- S26978 & S26980- S26983 Work Order: C13050679 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Clual <br />Method: E353.2 Analytical Run: SUB- B205050 <br />Sample ID: ICV Initial Calibration Verification Standard 05/22/13 09:17 <br />Nitrogen, Nitrate +Nitrite as N 22.1 mg /L 0.060 102 90 110 <br />Method: E353.2 <br />Sample ID: MBLK <br />Nitrogen, Nitrate +Nitrite as N <br />Sample ID: LFB <br />Nitrogen, Nitrate +Nitrite as N <br />Sample ID: 813051656- 001AMS <br />Nitrogen, Nitrate +Nitrite as N <br />Sample ID: 813051656- 001AMSD <br />Nitrogen, Nitrate +Nitrite as N <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Method Blank <br />ND mg /L <br />Laboratory Fortified Blank <br />1.02 mg /L <br />Sample Matrix Spike <br />1.10 mg /L <br />Sample Matrix Spike Duplicate <br />1.10 mg /L <br />Run: SUB- B205050 <br />0.005 <br />Run: SUB- B205050 <br />0.010 104 90 110 <br />Run: SUB- B205050 <br />0.010 102 90 110 <br />Run: SUB- B205050 <br />0.010 102 90 110 <br />ND - Not detected at the reporting limit. <br />Batch: B R205050 <br />05/22/13 09-18 <br />05/22/13 09:19 <br />05/22/13 09:58 <br />05/22/13 09:59 <br />0.1 10 <br />Page 24 of 37 <br />