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wwia%energylab.com <br />:?.?re?gaa7eu <br />D711 • Billings, MT 800-735-4489 • Casper,WY888-235-051`5 <br />api j,C ttr, SD 'SIB-672-1225 • College Station, TX 8188-610-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 02/11/11 <br />Project: Schwartz SW 01 -11 -11 S25440-S25447 Work Order: C11010459 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qua[ <br />Method: E353.2 Analytical Run: SUB-6160227 <br />Sample ID: ICV Initial Calibration Verification Standard 01/21/11 11:05 <br />Nitrogen, Nitrate+Nitrite as N 31.4 mg/L 0.20 107 90 110 <br />Method: E353.2 <br />Sample ID: LFB <br />Nitrogen, Nitrate+Nitrite as N <br />Sample ID: MBLK <br />Nitrogen, Nitrate+Nitrite as N <br />Sample ID: B11011112-006CMS <br />Nitrogen, Nitrate+Nitrite as N <br />Sample ID: B1 101111 2-006CMSD <br />Nitrogen, Nitrate+Nitrite as N <br />Sample ID: 611011341-002CMSD <br />Nitrogen, Nitrate+Nitrite as N <br />Sample ID: B11011341-002CMS <br />Nitrogen, Nitrate+Nitrite as N <br />Laboratory Fortified Blank <br />1.05 mg/L <br />Method Blank <br />0.009 mg/L <br />Sample Matrix Spike <br />1.74 mg/L <br />Sample Matrix Spike Duplicate <br />1.75 mg/L <br />Sample Matrix Spike Duplicate <br />1.44 mg/L <br />Sample Matrix Spike <br />1.43 mg/L <br /> Run: SUB-13160227 <br />0.010 106 90 110 <br /> Run: SUB-6160227 <br />0.004 <br /> Run: SUB-6160227 <br />0.010 111 90 110 <br /> Run: SUB-B160227 <br />0.010 111 90 110 <br /> Run: SUB-B160227 <br />0.010 113 90 110 <br /> Run: SUB-6160227 <br />0.010 112 90 110 <br />0.3 <br />0.8 <br />Batch: B R160227 <br />01/21/11 11:07 <br />01/21/11 11:06 <br />01/21/11 11:46 <br />S <br />01/21/11 11:48 <br />10 S <br />01/21/11 14:31 <br />10 S <br />01/21/11 14:30 <br />S <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 23 of 38 <br />`1??Va