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1 <br /> F j`r <br /> S I i <br /> I <br /> --. Lancaster <br /> Laboratories �4nalys►s Reporf <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425.717.656-2300 Fax:717-656-2661•www.lancasterlabs.com <br /> H „ <br /> a Page I of 3 <br /> l <br /> � Quality Control Summary � <br /> Client'Name: ChevronTexaco Group Number: 919396 <br /> Reported: 11/16/04 at ;01:04 PM <br /> } <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. ,1 <br /> Laboratory Compliance Quality Control <br /> Blank 81ank Report LCS LCSD LCS/LCSD <br /> Analveis Name j Result IDL Units REC RSC Limits RPD RPD Max <br /> I E <br /> Batch number: 0431OA16A ! Sample number(s) : 4396859-4396861 1 <br /> TPH-GRO water& k N.D. 50. ug/l 98 99 70-130 1 30 <br /> Batch 'number: 04313A16A Sample number(s) : 4396862 <br /> TPH-GRO �- Waters N.D. So. ug/l 96 97 70-130 1 30 <br /> Batch number: Z043172AA I Sample number(s) : 4396859-4396862 <br /> Ethanol I N.D. 50. ug/l 80 46-145 <br /> Methyl Tertiary Butyl Ether, N.D. 0.5 ug/1 99 77-127 k <br /> di-Isopropyl ether N.D. 0.5 ug/1 101 67-130 <br /> Ethyl -t-butyl ether ! N.D. 0.5 ug/i 102 74-120 <br /> t-Amyl methyl ether F N.D. 0.5 ug/l 100 . 79-113 <br /> t-Butyl .alcohol I N.D. 5. ug/l 90 57-141 ` <br /> Benzene j N.D. 0.5 ug/l 99 85-117 <br /> 1,2-Dichloroethane N.D. 0"5 ug/l 113 77-132 <br /> Toluene ' p N.D. 0.5 ug/l 100 85-115 <br /> 1,2-Dibromoethane N.D. 0.5 ug/l 98 81-114 1 <br /> Ethylbenzene j N.D. 0.5 ug/l 102 82-119 <br /> xylene (Total) a N.D. 0.5 ug/l 100 83-113 <br /> Batch !number: Z043191AA Sample number(s) : 4396859 1 <br /> I Methyl Tertiary Butyl Ether N.A. 0.5 ug/1 99 77-127 <br /> Sample Matrix Quality Control <br /> Si I MS MSD MS/MSD RPD BSG DUP DUP Dup RPD <br /> Analvais Name j 96REC %RSC Limits RPD MAX cont cone RPD Max <br /> Batch 'number: D431GA16A i Sample number(s) : 4396859-4396861 <br /> TPH-GRO - Waters ! 103 63-154 <br /> Batch number: 04313A16A I Sample number(s) : 4396662 <br /> TPH-GRO - Waters j 117 114 63-154 1 30 E <br /> Batch number: Z043172AA Sample number{s) : 4396859-4396862 <br /> Ethanol: 50 47 33-153 6 30 <br /> Methyl Tertiary Butyl Ether 105 104 69-134 1 30 <br /> di-Isopropyl ether 105 105 75-130 0 30 <br /> Ethyl t-butyl ether 105 106 78-119 1 30 <br /> t-Amyl methyl ether j 105 104 77-117 1 30 <br /> t-Butyl.,alcohol 90 90 51-147 0 30 <br /> Benzene 105 105 83-128 0 30 <br /> *-Outside of specification I E <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 /> { <br /> �5 <br /> EI <br />