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i <br /> I <br /> Lancasternai sis Report <br /> Laboratories � � Y p <br /> 2425 New Holland Pike PO Box 12425 Lancaster PA 37605-2425 717 656-2300 Fax 717 656 2681 www IanCesterkab5 COfn <br /> Page 1 of 1 <br /> Quality Control Summary <br /> Client Name ChevronTexaco Group Number 956158 <br /> Reported 08/26/05 at 04 38 PM <br /> Matrix QC may not be reported if site-specific QC samples were not <br /> submitted In these Situations,to demonstrate precision and accuracy at <br /> a batch level,a LCS/LCSD was performed,unless otherwise specified in the <br /> method <br /> Laboratory Compliance Quality Control i <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result 14DL Units %REC %RBC Limiter RPD RPD Max <br /> Batch number 052340021A Sample number(s) 458'1780-4587782 <br /> TPH-DRO CALUFT(Water) w/Si Gel N D 50 ug/1 89 81 64-125 9 20 <br /> Batch number OS234002ZA Sample number(s) 4587780-4587782 <br /> Total TPH N D 40 ug/l 81 83 57-115 3 20 <br /> TPH Motor Oil C16-C36 N D 40 ug/1 <br /> Surrogate Quality Control ' <br /> Analysis Name TPH-DRO CALUFT(Water) w/Si Gel ' <br /> Batch number 052340021A <br /> Orthoterphenyl <br /> 4587780 94 <br /> 4587781 99 <br /> 4587762 89 <br /> Blank 98 <br /> LCS 120 <br /> LCSD 120 <br /> Limits 52-134 <br /> Analysis Name TPH Fuels by GC iWaters) <br /> Batch number OS234OC22A <br /> Chlorobenzene Orthotexphenyl <br /> 4567780 70 90 <br /> 4587781 94 99 <br /> 4587782 85 68 <br /> Blank 55 90 <br /> LCS 60 118 <br /> LCSD 53 121 <br /> Limits 14-141 37-146 <br /> *-Outside of specification ' <br /> (1) The result for one or both determinations was less than five times the LOQ <br /> (2) The background result was more than four times the spike added • <br /> 1 <br />