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.l <br /> Lancaster <br /> Laboratories Analysis Report <br /> 2425 New Holland Pike,PO Box 12425.C'ancaster.PA 17605-2425•717-656-2300 Fax.717-656-2681•www.lancasterlabs.com <br /> I <br /> i <br /> F! ` Page 1 of 2 <br /> „ Quality Control Summary <br /> Client Name: ChevronTexaco Group Number: 920704 { <br /> Reported: 11/22/04 at ]02:54 PM <br />� i I <br /> Matrix QC may not be reported it 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. 4 , <br /> I; I <br /> j Laboratory Compliance Quality Control C <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name �,� Result MDL units $REC %REC Limits RPD RPD Max <br /> Batch number: 04320A08A I Sample number(s) : 4404691-4404694 t <br /> TPH-GRO. Waters N.D. 50. ug/l 108 109 70-130 0 30 <br /> Batch number; Z043241AA l Sample number(s) : 4404691-4404694 i <br /> Ethanol If N.D. 50. ug/1 57 46-145 t <br /> Methyl Tertiary Butyl Etheq N.D. 0.5 ug/l 97 77-127 <br /> 1 di-Isopropyl ether N.D. 0.5 ug/1 90 67-130 <br /> Ethyl ,t-butyl ether i N.D. 0.5 ug/1 94 74-12G <br /> t-Amyl methyl ether N.D. 0.5 u9/1 96 79-113 <br /> t-Butyl..alcchol N.D. 5. ug/1 93 57-141 <br />` Benzene N.D. 0.5 ug/l 93 85-117 <br /> 1,2-Dichlorcethane N.D. 0.5 ug/l 105 77-132 <br /> Toluene,, N.D. 0.5 ug/1 96 85-115 i <br /> 1,2-Dibromoethane N.D. 0.5 ug/1 95 81-114 <br /> Ethylberizene N.D. 0.5 ug/1 98 82-119 <br /> j. Xylene (Total} N.D. 0.5 ug/1 97 83-113 <br /> Sample Matrix Quality Control <br /> t <br /> I` MS MSD MS/MSD RPD SRG DIIP DtrP Dup RPD <br /> t. Acal s_ �I, is Name i %REC REC Limita RPD MAX Conc Conc RPD Max <br /> E <br /> Batch number: 04320A08A ( Sample number(s) : 4404691-4404694 1 <br />{ P TPH-GR01- Waters 111 63-154 <br /> Batch'number: Z043241AA Sample number(s) : 4404691-4404694 <br /> Ethanol 79 74 33-153 7 30 <br /> ' Methyl Tertiary Butyl Ethers 108 106 69-134 1 30 <br /> di-Tsopropyl ether96 111 75-130 14 30 ' <br /> Ethyl .t=butyl ether 99 114 78-119 14 30 <br /> t-Amyl methyl ether 99 117 77-117 16 30 <br /> t-Butyl alcohol 91 102 51-147 11 30 <br /> Benzene I 100 116 83-128 15 30 <br /> 1,2-Dichloroethane ill 125 73-136 12 30 <br /> Toluene 103 119 83-127 15 30 <br />( 1,2-Dibromoethane 97 114 78-120 16 30 <br /> Ethylbenzene105 122 82-129 14 30 <br /> Xylene (Total) i 103 119 62-130 14 30 ; <br />� T I <br /> i Ei I <br /> i <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 />