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IF' <br />Lancaster <br />Laboratories Analysis Report <br />1 2425 New Holland pike, p0 Box 12425, Lancaster, PA 17605-2425 •717-656-2300 Pax: 717 • W WW.IanCBS(BflabS.COfF1 <br />F - <br />Page ] of 6 <br />T Quality Control Summary <br />F Client Name: ChevronTexaco <br />Reported: 05/14/04 at 03:46 PM Group Number: 894523 <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 />Analysio N me <br />- Batch number: 04126A07A <br />TPH-GRO - Waters <br />Batch number: 04126ASSA <br />TPH-GRO - Waters <br />Batch number: 04127A07D <br />TPH-ORD - Waters <br />Batch number: 04127A07E <br />TPH-GRO - Waters <br />Batch number: 041280016A <br />Methanol (by Direct Injection) <br />Batch number: 041280017A <br />Methanol (by Direct injection) <br />Batch number; 041310024A <br />Methanol (by Direct Injection) <br />Batch number: P041282AA <br />Methyl Tertiary Butyl Ether. <br />Benzene <br />r Toluene <br /># 9thylbenzene <br />- Xylene (Total) <br />Batch number: P041311AA <br />Ethanol <br />Methyl Tertiary Butyl Ether <br />di -Isopropyl ether <br />Ethyl t -butyl ether <br />t -Amyl methyl ether <br />t -Butyl alcohol <br />Benzene <br />1,2-Dichloroethane <br />Toluene <br />1,2-Dibromoethane <br />£thylbenzene <br />Xylene (Total) <br />Batch number; P041321AA <br />Ethanol <br />Laboratory Compliance Quality Control <br />Blank Blank Report LCS LCSD LCS/LCSD <br />Result M—L Units &WC 96REC Limits <br />Sample number(s): 4266187 <br />N, D. <br />50. <br />u9/1 85 102 <br />70-130 <br />Sample <br />number(s): <br />4266196-4266214 <br />N.D. <br />5o. <br />ug/l 90 102 <br />70-130 <br />Sample <br />number(s): <br />4266188-4266192 <br />N.D. <br />50, <br />ug/l 86 86 <br />70-130 <br />Sample <br />number(s): <br />4266193-4266195 <br />N.D. <br />50. <br />ug/l 86 66 <br />70-130 <br />Sample <br />number(s): <br />4266188 <br />N.D. <br />200• <br />ug/l 96 <br />76-119 <br />Sample <br />number(a): <br />4266189-4266208 <br />N.D. <br />200. <br />ug/l 88 <br />76-119 <br />Sample <br />number(s): <br />4266209-4266214 <br />N.D. <br />200. <br />ug/1 92 <br />76-119 <br />Sample <br />number(a): <br />4266187 <br />N.D. <br />N.D. <br />0.5 <br />0.5 <br />ug/l 106 <br />ug/1 307 <br />77-127 <br />N,D• <br />0.5 <br />ug/l 101 <br />85-117 <br />as -115 <br />N.D. <br />0.5 <br />ug/l 103 <br />82-119 <br />N.D. <br />0.s <br />ug/l 104 <br />84-120 <br />Sample <br />number(s): <br />4266188-4266195,4266197-4266203 <br />N.D. <br />50. <br />ug/l 89 <br />46-145 <br />N.D. <br />0.5 <br />ug/l 94 <br />77-127 <br />N.D. <br />0.5 <br />ug/l 87 <br />67-130 <br />N.D. <br />N.D. <br />0.5 <br />0.5 <br />ug/l 88 <br />ug/l 94 <br />74-120 <br />N.D. <br />5. <br />ug/l 123 <br />79-113 <br />57-141 <br />N.D. <br />N.D. <br />0.5 <br />0.5 <br />ug/l 95 <br />ug/l 69 <br />85-117 <br />N.D. <br />0.5 <br />ug/1 92 <br />77-132 <br />85-115 <br />N.D. <br />0.5 <br />ug/l 93 <br />81-114 <br />N.D. <br />N.D. <br />0.5 <br />ug/1 91 <br />62-119 <br />0.5 <br />ug/l 94 <br />84-120 <br />Sample <br />number(s): <br />4266196,4266204-4266214 <br />N -D- <br />50. <br />ug/l 93 <br />46-145 <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 />RPD $PD Drax <br />30 <br />13 30 <br />1 30 <br />1 30 <br />