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i <br /> y (.110LUMBIA ANALYTICAL SERVICES,INGj <br /> QA/QC Report <br /> Client: M4VH Laboratories Service Request: L2301262 <br /> Project: 110732 -Date Extracted: 06/18/2003 <br /> Sample Matrix: Water Date Analyzed: 06/18/2003 <br /> 1 <br /> c <br /> i <br /> i <br /> G Lab Control Spike Summary I <br /> BTEX by 8021B <br /> Extraction Method: EPA 5030 Units: ug/L <br /> Analysis Method: 8021B Basis: NA <br /> Level: Low <br /> Extraction Lot: LNVG0301494 <br /> Lab Control Sample <br /> LWG0301494-3 <br /> r <br /> Lab Control Spike n <br /> /nReC <br /> Analyte Name Result Expected %Rec Litnits <br /> Benzene; 25.5 25.0 102 70-130 <br /> Toluene 25.7 25.0 103 70-130 <br /> Ethylbenzene 24.6 25.0 98 70-130 <br /> Xylenes,Total 75.9 75.0 101 70-130 <br /> i <br /> i <br /> t <br /> A ' <br /> I <br /> i <br /> i <br /> a <br /> i <br /> l <br /> i <br /> r <br /> I <br /> ' I <br /> I <br /> I <br /> I <br /> I <br /> Results flagged with an asterisk(*)indicatevalues outside control criteria. <br /> Percent recoveries and relative percent differences(RPD)are determined by the software using values in the calculation which have not been rounded. <br /> Printed: 06/19/2003 10:42:21 Form 3C-Organic Page 1 of i <br /> P:ISTEALTH%CRYSIAL.RPT%Fomi3LCS.spt Superset Rtference: RUM <br />