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ICOLUMBIA ANALYTICAL SERVICES,INC. <br /> QA/QC Report <br /> Client Delta Environmental Consultants Service Request X0401098 <br /> �QJect Canteen Corp Date Extracted 11/16/2004 <br /> pie Matrix Water Date Analyzed 11/17/2004 <br /> Matrix Spike/Duplicate Matrix Spike Summary <br /> TPH as Gasoline(GRO) <br /> Sample Name Batch QC Units ug/L <br /> Lab Code X0401099-001 Basis NA <br /> Extraction Method EPA 5030B Level. Low <br /> Analysis Method 8015 GRO Extraction Lot XWG0401191 <br /> Batch QCMS Batch QCDMS <br /> XWG0401191-1 XWG0401191-2 <br /> Sample Matrix Spike Duplicate Matrix Spike %Rec RPD <br /> Analyte Name Result Result Expected %Rec Result Expected %Rec Limits RPD Limit <br /> C6-C10 GRO 22 936 1000 91 971 1000 95 70-130 4 20 <br /> I <br /> ANagged with an asterisk(*)indicate values outside control criteria <br /> Results Hugged with a pound(#)indicate the control criteria is not applicable <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 11/19/2004 09 42 56 Form 3A-Organic Page 1 of 1 <br /> ISTEALTHICRYSTAL RPTVorm3DMS rpt SuperSet Reference RR5182 <br />