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i; <br /> { Lancaster <br /> Laboratories Analysis Report <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17805-2425•717-656-2300 Fax 717-658-2681•www,lancasterlab5 com <br /> + Page I of 2 k <br /> 4 Quality Control Summary 1+ <br /> Client Name: ChevronTexaco Group Number: 934939 I <br /> Reported: 03/15/05 at 10:05 pM I, <br /> I. <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/L;CSD was performed,unless otherwise specified in the <br /> method. <br /> ly � <br /> Laboratory Compliance Quality Coxitrol <br /> l ') <br /> .s , <br /> .: Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysie Name - Result MDL Unite REC $REC Limits RPD RPD Max <br /> I Batch number: 05070A16B Sample number(s) : 4479593-4479596 <br /> TPH-GR01- Waters N.D. 50. ug/l 104 107 70-13 0 3 30 <br /> Batch number: Z050732AA Sample number(s} : 4479593-4479596 <br /> Ethanoll N.D. 50. ug/l 112 30-155 i <br /> Methyl Tertiary Butyl Ether N.D. 0.5 ug/l 94 77-127 <br /> di-Isopropyl ether,; N.D. 0.5 ug/l 93 57-130 <br /> Ethyl t-butyl ether N.D. 0.5 ug/l 94 74-120 <br /> t-Amyl methyl ether N.D. 0.5 ug/l 91 79-113 <br /> LQt-Butyl'alcohol N.D. 5. ug/l 92 57-141 <br /> Benzenei� ?. N.D. 0.5 ug/l 92 85-117 <br /> 1,2-Dichloraethane' N.D, 0.5 ug/l 97 77-132 l <br /> Toluenes+ ;; N.D. 0.5 ug/l 96 85-115 <br /> 1,2-Dibromoethane N.D. 0.5 ug/l 90 81-114 <br /> 4 Ethylben2ene k' N.D. 0.5 ug/l 96 82-119 <br /> Xylene (Total) N.D. 0.5 ug/l 96 83-113 <br /> Sample Matrix Quality Control i <br /> a MS MSD MS/MSD RPD B&G DUP DUP Dup RPD <br /> L. Analysis Name %REC RBC Limits RPD MAX Cone Conc RPD Max <br /> t I <br /> Batch number: 05070A16B Sample number(s) : 4479593-4479596 F <br /> TPH-GRO;- ;,Waters 116 63-154 <br /> L � I <br /> Batch number: Z0507,32AA Sample number(s) : 4479593-4479596 ? <br /> Ethanol" ., 115 109 26-153 5 30' <br /> Methyl Tertiary Butyl Ether 95 95 69-134 0 30 { <br /> di-Isopropyl ether ° 99 100 75-130 1 30• <br /> :Ethyl t butyl ether 96 97 78-119 1 30 I <br /> t-Amyl methyl ether 90 91 77-117 1 30' { <br /> t-Butyl ,al'cohol 94 94 51-147 0 30 <br /> Benzene , 101 1,132 83-128 1 30' <br />{ 1,2-Dichloroethane 106 108 73-136 1 30' <br /> Toluenes 106 107 83-127 1 30' <br /> 1,2-Dibromoethane ( 92 93 78-120 1 30 <br /> Ethylbenzene 4 106 108 82-129 2 30. <br /> xylene (Total) 1 103 105 82-130 2 30 <br /> lit , <br /> Outside of specification <br /> I` r <br /> (1) The result for one or both determinations was less than five times the LOQ. ' I¢ <br />`` <br /> j2) The background result was more than four times the spike added. <br /> f j <br /> h Is: i <br /> .I <br /> 4 <br /> A <br /> :+t !; <br />