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r <br /> STL ChromaLab Submission #: 2001-09-0185 <br /> i Environmental Services(CA 1094) <br /> } To: San Joaquin Company, Inc. Test Method: 8015M <br /> Attn: Dai Watkins Prep Method: 5030 <br /> Batch QC Report <br /> 1 Gas/BTEX by 8015M18021 <br /> Laboratory Control Spike(LCS/LCSD) Water QC Batch#2001109113-01.05 <br /> LCS: 2001109113-01.05-006 Extracted: 09113/200109:56 Analyzed 091131200109:56 <br /> LCSD: 2001109113-01.05-007 Extracted: 091131200110:29 Analyzed 091131200110:29 <br /> Compound Conc. [ug/L] f Exp.Conc. [ug/L] Recovery[%]'RPD Ctrl. Limits[%] Flags <br /> LCS LCSD ! LCS LCSD LCS LCSD 1%] Recovery RPD LC5 LCSD <br /> Gasoline 494 503 i 500 I 5'098.8 100.6 1.8 75-125 20 <br /> Surrogate(s) <br /> 4-Bromofluorobenzene-FI i 479 504 I 500 500 95.8 100.8 50-150 <br /> ,f. a <br /> i , <br /> I <br /> � I <br /> i <br /> 1220 Quarry LanePleasanton,CA 945664756 <br /> Telephone:(925)484-1919`Facsimile:(925)484-1096 <br /> Printed on:09/17/2001 09:24 Page 12 of 15 <br /> k <br />