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Lancaster <br /> Laboratories Analysis Report <br /> 2425 New Holland Pile.Pd Box 12425,Lancaster,PA 17605-2425•717-656-2300 Pax 717-656-2681•www.laneasterlabs.com i <br /> Page 1 of 4 <br /> y <br /> r Qua'lity,,Control Summary <br /> Client Name: ChevronTexaco Group Number: 957868 <br /> Reported: 09/15/05 at 02;:09 PM i <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 f� <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/LCSD 1 <br /> Analysis Name Result MIDL Units IREC %REC Limits RPD kPD Max <br /> Batch number: OS2510016A Sample number(s) : 4596163-4596165 0. <br /> Methanol (by Direct Injection) ' N..D. 1000. ug/l 100 80-120 <br /> Batch number: 052SIO017A Sample number(s) : 4596166-4596172 <br /> Methanol (by.Direct Injection) N.D. 1000. ug/l:- 92 80-120 <br /> Batch number: 0525IA16A Sample number(s) : 4596165-4596167- <br /> T1314-GRO - Waters N.D. 50. ug/l 109 108 70-130 2 30 <br /> Catch number: 05252AO8B Sample- number s) 4596163-4596164 - <br /> 'PF;-GRO - Waters N.D. 50. ug/l 116 123 7-0-130 6 30 <br /> .Batch number. 05253A07A Sample number(s) : 4596162 <br /> TPH-GRO - Waters N.D. 50. ug/l 90 98 70-13D 8 30 <br /> Batch number: 05253A16A Sample number(s) 4596168-4596172 1 <br /> TPH-GRO - Waters N.D. 50.. . ug/l 110 109 70-130 0 30 <br /> Batch number: Z052503AA_ Sample number(s) : 4596163-4596172 <br /> Ethanol N.D. 500. ug/l 67 30-155 <br /> Methyl Tertiary Butyl Ether N.D. 2. ug/l 96 77-127 " <br /> di-isopropyl ether N.D. 2. ug/3 91 67-130 <br /> Ethyl t-butyl ether N.D. 2. c ug/1. 97 74-120 <br /> t-Amyl methyl ether N.D. 2. ug/1102 79-113 <br /> t-Butyl alcohol N.D. 100. ug/l 104 60-133 <br /> Benzene N.D. .5 ug/l 97 85-117 <br /> 1,2-Dichloroethane N.D. 2. ug/l 105 77-132 <br /> TolueneN.D. .5 ug/l 99 85-115 <br /> 1,2-Dibromoe'thane N.D. '2. ug/l 95 81-114 <br /> Bthylbenzene N.D. .5" ug/l 101 82-119 <br /> Xylene (Total) N.D. .5 ug/l 103 83-113 <br /> Batch number: ZO52504AA Sample number(s),: 4596162 <br /> Methyl Tertiary,Butyl Ether N.D. 2. ug/1, 91 77-127 <br /> Benzene N.D."� .5 ug/1 89 85-117 <br /> Toluene N.D. .5 ug/l 93 85-115 <br /> Ethylbenzene N.D. .5 ug/l 93 82-119 <br /> Xylene (Total) N.D. .5 ug/l 95 83-113 <br /> Sample Matrix Quality Control t <br /> MS MBD MS/MSD RPD BRG DUP DUP.. Dup RPD <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 /> - F <br />