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.. t <br /> �Lancaster, <br /> Analysis Report f <br /> taboatones <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425 717 656 2300 Fax:717-656-2681•www.lancaster)ab5.0om <br /> Page 1 of 2 <br /> F <br /> k <br /> Quality Control Summary "f ' <br /> Client Name: ChevroaTexaco Group Number: 945999 <br /> Reported: 06/13/05 at 05:40 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 <br /> Blank Blank Report LCS LCSD LCS/LCSA <br /> Analysie Name Result MDL Units PRBC %REC Limits RPA RPD Max 1 <br /> Batch number: 0515BAOBC Sample number(s) : 4536554-4536557 <br /> TPH-GRD - Waters N.D. 50. ug/1 110 109 70-130 ' 1 30 <br /> Batch number: Z051591AA Sample number(s) : 4536554-4536557 F <br /> Ethanol N.D. 50. ug/1 106 30-155 <br /> Methyl Tertiary Butyl Ether N.D. 0.5 ug/l 88 77-127 <br /> di-Isopropyl ether N.D. 0.5 ug/l 90 67-130 <br /> Ethyl t-butyl ether N.D. 0.5 ug/l 90 74-120 <br /> t-Amyl methyl ether N.D. 0.5 ug/1 89 79-113 <br /> �- t-Butyl alcohol N.D. S. ug/1 92 57-141 <br /> Benzene N.D. 0.5 ug/l 98 85-117 <br /> k. 1,2-Dichloroethane N.D. 0.5 ug/l 96 77-132 ) <br /> Toluene N.D. 0.5 ug/1 98 85-115 <br /> 1,2-Dibromoethane N.D. 0.5 ug/1 9581-114 <br /> Ethylbenzene N.D. 0.5 ug/l 98 82-119 <br /> Xylene (Total.) N.D. 0.5 ug/l 100 83-113 <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD BXG DUP DUP Dup RPD <br /> Analysis Name %REC %REC Limits RPD MAX Conc Conc RPD Max <br /> i' Batch number: 051SBA08C Sample number(s) ; 4536554-4536557 1 <br /> c <br /> TPA-GRO - Waters 111 63-154 } <br /> i <br /> Batch number: Z051591AA Sample number(s) : 4536554-4536557 <br /> Ethanol 106 105 26-153 1 30 <br /> ' Methyl Tertiary Butyl Ether Be 89 69-134 2 30 <br /> di-Isopropyl ether 93 94 75-130 2 30 <br /> Ethyl t-butyl ether 91 93 78-119 2 30 <br /> t-Amyl methyl ether 89 90 77-117 1 30 <br /> t-Butyl alcohol 93 94 51-147 2 3o <br /> Benzene 103 105 83-128 2 30 <br /> 1,2-0ichloroethane 99 100 73-136 2 30 <br /> Toluene 105 107 83-127 2 30 <br /> 1,2-Dibromcethane 96 97 78-120 1 30 <br /> Ethylbenzene 104 107 82-129 2 30 <br /> Xylene (Total) 106 108 82-130 1 30 <br /> 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 /> a <br />