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,I f <br /> r <br /> Lancaster <br /> Laboratories 3 Analysis Report <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425-717-656-2300 Fax:717-656-2681•Www.lancaS1erla13s.COm I <br /> 3 Page 1 of 2 <br /> r ! <br /> Quality Control Summary <br /> Client Name: ChevronTexaco <br /> Group Number: 946687 <br /> Reported: 06/17/05 at 06 :04 PM ! <br /> s i <br /> Matrix QC may not be reported if site-specific QC(samples were not I <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 /> i I <br /> Laboratory Compliance Quality Control <br /> I <br /> Blank ; Blank Report LCS LCSD LCS/LCSD <br /> Analysis„Name Result IDL Units %REC Rig Limits RPD RPD ,Max <br /> Batch number: 05165A08C Sample number(.) : 4540063-4540066 <br /> TPH-GRO - Waters N.D. .1 50. ug/1 121 108 70-130 12 30 i <br /> I <br /> Batch number: Z051663AA Sample number(s) : 4540063-4540066 I <br /> Ethanol N.D. 50. u9/1 102 30-155 <br /> Methyl Tertiary Butyl Ether N.D. 0.5 u9/1 86 77-127 <br /> di-Isopropyl ether N.D. t 0.5 ug/l 82 67-130 <br /> Ethyl t-butyl ether N.D. 0.5 ug/l 84 74-120 <br /> t-Amyl methyl ether N.D. 0.5 ug/l 87 79-113 <br /> t-Butyl alcohol N.D. 5. ug/l 96 57-141 <br /> Benzene N.D. 0.5 ug/l 94 85-117 <br /> 1,2-Di chloroethane N.D. 0.5 ug/l 95 77-132 <br /> �f Toluene N.D. 0.5 ug/1 93 85-115 <br /> 1,2-Dibromoethane N.D. 0.5 ug/l 92 81-114 I <br />` Ethylbenzene N.D. 0.5 ug/l 95 82-119 <br /> Xylene (Total) N.D. i 0.5 ug/l 99 83-113 I <br /> =1 <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD BKG DUP DUP Dup RPD <br /> Analysis Name %REC %REC Limits RPD MAIC Conc Cone RPD Max <br /> 3 <br /> Batch number: 05165A08C Sample numberls) : 4540063-4540066 <br /> TPH-GRO - Waters 132 63-154 ) <br /> Batch number: Z051663AA Sample number(s) : 4540063-4540066 l k <br /> Ethanol 99 101 26-153 2 30 I <br /> Methyl Tertiary Butyl Ether 88 77i 69-134 13 30 ! 3 <br /> di-Isopropyl ether 85 75i 75-130 13 30 <br /> Ethyl t-butyl ether 87 77* 78-119 13 30 <br /> t-Amyl methyl ether 90 78, 77-117 14 30 t <br /> t-Butyl alcohol 109 101 51-147 7 30 ! <br /> C Benzene 101 89!1 83-128 13 30 <br /> 1,2-Dichloroethane 100 88;1 73-136 13 30 <br /> Toluene 101 89 83-127 12 30 ) <br /> 1,2-Dibromoethane 96 841 78-120 13 30 ? I <br /> Ethylbenzene 101 90i 82-129 11 30 I <br /> Xylene (Total) 105 93;3 82-130 12 30 t <br /> A yy <br /> 'i <br /> *-Outside of specification <br /> (1) The result for one or both determinations was less than five times the LOQ. I' 4 <br /> (2) The background result was more than four times the spike added. <br /> I I ' <br /> 9 r <br /> i a <br />