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WW iaiergylab.CQM <br />AWOWEaadMn.RM, IM <br />711 v Billings, MT 800-735-4489 a, Casper, WY 888-235-8515 <br />yid Cdy, So'88B-672-1225 • College Station, TX 888-890-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 03/04/11 <br />Project: Schwartz GW 02-09-11 S25579 Work Order: C11020422 <br />Analyte Co unt Result Units RL %REC Low Limit High L imit RPD RPDLimit Qual <br />Method: E353.2 Analytical Run: SUB-13161463 <br />Sample ID: ICV Initial Calibration Verification Standard 02/22/11 10:23 <br />Nitrogen, Nitrate+Nitrite as N 30.8 mg/L 0.20 105 90 110 <br />Method: E353.2 Batch: 6_13161463 <br />Sample ID: 811021155-003BMSD Sample Matrix Spike Duplicate Run: SUB-6161463 02/22/11 12:31 <br />Nitrogen, Nitrate+Nitrite as N 1.01 mg/L 0.010 103 90 110 0.5 10 <br />Sample ID: B11021155-003BMS Sample Matrix Spike Run: SUB-6161463 02/22/11 12:29 <br />Nitrogen, Nitrate+Nitrite as N 1.00 mg/L 0.010 102 90 110 <br />Sample ID: LFB Laboratory Fortified Blank Run: SUB-6161463 02/22/11 10:26 <br />Nitrogen, Nitrate+Nitrite as N 1.03 mg/L 0.010 105 90 110 <br />Sample ID: MBLK Method Blank Run: SUB-B161463 02/22/11 10:25 <br />Nitrogen, Nitrate+Nitrite as N ND mg/L 0.10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 16 of 22 <br />.- .......:..::.?.ri.v.=.Ca6"i?:.a ltZ`be?tass-v',?+Td?aS?Je+. ii2„a...,: ?...i?,m?.`.S.,.F_=.n.+sclc3 ... L:W?:.:a:?:YYiA?r':"."?_' ?.iall?ls. ?'t. ?RrJZ.?•®+?- _'`'??eL -'?'`r'? ?? <br /> ? _-_?