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i! <br /> N it I <br /> y�a Lancaster <br /> Laboratories analysis Report <br /> 2425 New-Holland Pike.P4 Box 12425,Lancaster.PA 17BD5-2425•717-656-2300 Fax:717-656-2681•wWw.laflCd5t2flab5:COm <br /> S , <br /> l <br /> Page I of 2 <br /> I) 6 is <br /> Quality Control Summary <br /> Client' Name: ChevrpnTexaco <br /> Reported : 12/27/04 at ,02 :19 PM Group Number: 925341 i <br /> Matri i�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 /> i <br /> Laboratory Compliance Quality Control <br /> r <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL Units %REC $REC Limits RPD RPD Max <br /> BatchPnumber: 04353A08D Sample number(s) : 443.1419-4431420 <br /> TPH-GRO'- Waters Ik N.D. - 50. ug/1 110 112 7C-130 2 30 <br /> `r Batch-number: Z043571AA it Sample number(s) ; 4431419-4431420 <br /> _ Ethanol ' N.D. 50. ug/1 95 96-195 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 104, 67-130 <br /> E Ethyl t=butyl ether ! N.D. 0.5 ug/l 96 74-120 <br /> t-Amyl' methyl ether N.D. 0.5 ug/1 92 79-113 <br /> t-Butyl _alcohol " N.D. 5. ug/l 88 57-141 + <br /> BenzeneN.D. 0.5 ug/l 96 85-117 <br /> 1,2-Dichloroethane f N.D. 0.5 ug/l 91 77-132 <br /> Toluene ;! N.D. 0.5 ug/1 97 85-115 <br /> 1,2-Dibromoethane' ` N.D. 0.5 ug/1 95 81-114 <br /> Ethylb'enzene N.D. 0.5 ug/1 97 82-119 <br /> Xylene (Total) E1 N.D. 0.5 ug/l 96 83-113 <br /> ly f Sample Matrix Quality Control <br /> MS MSD MS/MSI) RPP BXG :', DQP DQP Dap RPD 'r <br /> Analysis' Name %REC %REC Limits RPD MAX Cone Cone RPA Max I <br /> I <br /> Batch number: 04353A08D f Sample number(s) : 4431419-4431420 <br /> TPH-GRO - Waters I 126 63-154 <br /> Batch number: Z043571AA ,+ Sample number(s) : 4431419-4431420 <br /> Ethanol 97 94 33-153 3 30 <br />{ Methyl`Tertiary Butyl Ether 95 93 69-134 2 30 <br /> di-Isopropyl ethez 108 105 75-130 3 30 <br /> Ethyl t-butyl ether 98 96 78-119 2 30 i <br /> t-Amyl`,m6thyl ether 93 91 77-117 3 30 <br /> t-Butyl alcohol ! 89 88 51-147 1 30 <br /> Benzene 4 102 100 83-128 2 30 i <br /> 1,2-Dichloroethane l 94 93 73-136 1 30 <br /> Toluene 105 103 83-127 2 30 <br /> 1,2-Dibromoethane" 95 94 78-120 1 30 <br /> Ethylbenzene M 103 101 82-129 2 30 <br /> Xylenel (Total) 100 99 82-130 2 30 <br /> i Il t s ;r <br /> II ' hF <br /> *-Outside of specifcation <br /> (1) The result for one or both determinations was less than five times the'LOQ. Il <br /> (2) The background result was more than four times the spike added. N <br /> E� 17 <br /> E� r <br />