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t <br /> Lancaster <br /> Laboratories Analysis Report <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425•717-6562300 Fax:717-656-2681•www.lancastertabs.com <br /> I. Page 1 of 2 <br /> I j :! 1 <br /> Quality Control Summary 1B 4 <br /> Client:+ Name: ChevronT'exaco Group Number: 928102 <br /> R Reported: 01/24/05 at 05:07 PM ti <br /> f' ,I <br /> Matrix OC,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/LCSD <br /> Analysis Name Result MDL UnitB %REC REC Limits RPD RPD Max E <br /> p <br /> Batch number: 05013A07B Sample number(s) : 4446149-4446152 <br />$ TPH-GRO -'Waters i N.D. 50. ug/l 89 90 70-130 2 30 <br /> Batch number: Z0511201AA i Sample number(s) : 4446149-4446152 <br /> Ethanol,4 : rN.D. 50. ug/l 90 46-145 <br /> r Methyl Tertiary Butyl Ether '1 N.D. 0.5 ug/l 109 77-127 <br /> di-Isopropyl ether N.D. 0.5 ug/1 110 67-130 ; <br /> Ethyl t=butyl ether N.D. 0.5 ug/l 108 74-120 <br /> t-Amyl methyl ether N.D. 0.5 ug/l 106 79-113 i <br />' t-Butyl,,alcohol y N.D. 5. ug/1 112 57-141 <br /> z Benzene„ u N.D. 0.5 ug/l 111 85-1170 } <br /> 1,2-❑ichl6roethanel N.D. 0.5 ug/l 109 77-132 <br /> Toluene? N.D. 0.5 ug/l 114 85-115 <br /> 1,2-Dibromoethane 'F N.D. 0.5 ug/1 110 81-114 <br /> Ethylbenzene N.D. 0.5 ug/l 113 82-119 <br /> Xylene (Total) t„ ( N.D. 0.5 ug/l 109 83-113 <br /> I i <br /> Sample Matrix t :1 P Quality Control <br /> S <br /> �( MS MSD MS/MSD RPD BEG DUP DUP DUp RPD <br /> FFFrrr <br /> Analysis Name %REC %REC Limits RPD MAX Conc Conc RPD Max <br /> Batch number: 05013A07B Sample number(s) : 4446149-4446152 <br /> TPH-GRO`�-"Waters 103 63-154 <br /> I#{ L Batch number: Z050201AA Sample number(s) : 4446149-4446152 ) <br /> Y Ethanol. i 78 84 33-153 8 30 <br /> Methyl Tertiary Butyl Ether 108 108 69-134 0 30 y <br /> t. di-Isopropyl ether: f 112 112 75-130 1 30 <br /> e Ethyl t-butyl ether 109 109 78-3,19 0 30 <br />'s t-Amyl methyl ether 104 105 77-117 1 30 <br /> t-Butyl;alcohol 109 109 51-147 1 30 <br /> Benzene ; 118 118 83-128 0 30 <br /> 1,2-Dichloroethane-;F 107 107 73-136 0 30 y <br /> Toluene ' t 119 119 83-127 1 30 <br /> 1,2-Dibromoethane 111 110 78-120 1 30 <br /> Ethylbenzene 118 118 82-129 0 30 I <br />�i Xylene (Total) 113 112 82-130 0 30 <br /> L r <br /> *-Outside of specification <br /> (1) The result for one-or both determinations was less than five times the LOQ. I' <br /> (2) The background result was more than four times the spike added. <br /> I� <br />