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09/04/96 WED 11 23 FAX GROUNDWATER Z024 <br /> American Environmental Netwoi k <br /> PAGE 11 <br /> QUALITY cONTROL DATA <br /> METHOD EPA 8020 5030 GCFID <br /> AEN JOB NO 9608056 <br /> INSTRUMENT F H <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date Fluorobenzene <br /> Analyzed Client Id Lab Id <br /> 08/12/96 MW-14 01 99 <br /> 08/13/96 MW-13 02 95 <br /> 08/12196 MW-12 03 100 <br /> 08/12/96 MW-11 99 <br /> 08/13/96 MW-10 055 100 <br /> 0 <br /> 06/13/96 MW-9 100 <br /> 08/13/96 MW-B 07 100 <br /> QC Limits 70-130 <br /> DATE ANALYZED 08/12/96 <br /> SAMPLE SPIKED 9608027-12 <br /> INSTRUMENT H <br /> Matrix Spike Recovery Summary <br /> QC Limits <br /> Spike Average Percent <br /> Added Percent <br /> Analyte (ug/L) Recovery RPD Recovery RPD <br /> Benzene 22 0 100 2 85-109 17 <br /> Toluene 74 9 100 1 87-111 16 <br /> Hydrocarbons <br /> as Gasoline 540 103 4 66-117 19 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> at or above the reporting limit <br />