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1 <br /> A' SII <br /> Submission #: 2001-09-0214 <br /> STL ChromaLab <br /> Environmental Services (CA 10 94) <br /> To: Wright Environmental Services Inc Test Method: 8015M <br /> Attn: Scott Cragin E Prep Method: 5030 <br /> Batch QC Report <br /> �t <br /> Gas/BTEX by 8015M/8021 <br /> I� <br /> Laboratory Control Spike(LCS/LCSD) Water QC Batch#2001/09/1341.02 <br /> LCS: 2001/09/13-01.02-006 Extracted: 09/13/200109:59 Analyzed 09/13/200109:59 <br /> LCSD: 2001/09/13-01.02-038 Extracted: 09/13/200110:30 Analyzed 09/13/200110:30 <br /> i <br /> Compound Conc. [ug/L] Exp.Conc. [ug/L] Recovery[%] RP D Ctrl.Limits[%] Flags <br /> LCS i'CSD LCS LCSD r104.8 <br /> S LCSD [%] Recovery RPD LCS LCSD <br /> Gasoline 482 445 500 500 4 89.0 8.0 75-125 20 <br /> Surrogate(s) ! <br /> 4-Bromofluorobenzene-FI 524 522 500 500 104.4 50-150 <br /> iE <br /> t <br /> I� <br /> II <br /> II <br /> 'I <br /> I� <br /> iE <br /> IIII <br /> Ih <br /> V II <br /> 1220 Quarry Lane'Pleasanton,CA 94566-4756 <br /> Telephone:(925)484-1919'Facsimile:(925)484-1096 <br /> Printed on:09/14/2001 12:16 Page 6 Of 8 <br />