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anOster <br /> Laboratories Analysis a ys►s Report � <br /> 2425 New.Nolland Pike.PO Box 12425,Lancaster,PA 17605-2425•717-656-2300 Fax:717-656-2681•www.lancasteriabs.com <br /> Page 2 of 3 <br /> � F ? <br /> Quality Control Summary <br /> Client Name: ChevronTexaco Group Number: 925041 <br /> Reported: 01/05/05 at110:17 AM <br /> Sample Matrix <br /> P Quality Control <br /> !I MS MSD MS/MSD RPD BKG DIIP DiJP Dup RPD <br /> Analysis Name f %REC %REC Limits RPD MAX Conc Conc RPD Maxim { <br /> Batchjnumber: 04351AOBD Sample number(s) : 4429662 <br /> TPH-GRO:- Waters 139 63-154 <br /> Batch number: Z043521AA 6 Sample number(s) : 4429661 <br /> Ethanol ' [ 109 106 33-153 2 30 <br /> Methyl Tertiary Butyl Ether` 95 93 69-134 3 30 �+ <br /> di-Isopropyl ether 112 111 75-130 2 30 i <br /> Ethyl"t=butyl ether N 101 100 78-119 1 30 <br /> t-Amyl methyl ether 94 93 77-117 1 30 <br /> t-Buty'.1 alcohol 88 B6 51-147 2 30 <br /> Benzene t 104 103 83-128 1 30 <br /> 1,2-Dichloroethanel 92 90 73-136 2 30 �] <br /> Toluene" 109 107 83-127 2 30 <br /> 1,2-Dbromoethanel I 97 96 78-120 1 30 ". <br />' Ethylbenzene 105 103 82-129 2 30 <br /> Xylene (Total) j 103 101 82-130 2 30 li <br /> Batch number: Z043531-AA Sample number(s) : 4429662 <br /> Ethanol , lj 96 94 33-153 2 30 i. <br /> Methyl, Tertiary Butyl Ether 93 91 69-134 2 30 <br /> di-Isopropyl ether i 109 108 75-130 1 30 <br /> Ethyl •'t-butyl ether 98 97 78-119 1 30 <br /> fffrrr t-Amyl methyl ether ; 91 90 77-117 1 30 <br /> t-Butyl alcohol 86 86 51-147 0 30 <br /> Benzene ' 101 101 83-128 0 30 <br /> 1,2-Dichloroethane 92 90 73-136 1 30 <br /> Toluene 105 105 83-127 0 30 q <br /> 1,2-Dibrcmoethane,a 95 94 78-120 1 30 <br /> Ethylbenzene i 103 102 82-129 0 30 <br /> xylene (Total) 101 100 82-130 0 30 i <br /> i� P n <br /> Surrogate Quality Control :; <br /> Analysis Name: TPH-GRO - Waters jy , <br /> I Batch number: 04351A08B ! ` <br /> Trifl`uorotoluene-F f <br /> 4429661 102 �} <br /> Blank 'pp 102 s <br />! LCS !l!i 104 } <br /> LCSD !E :� 103 <br /> MS g 106 <br /> E � <br /> Limits: 57-146 <br /> Analysis Name: TPH-GRO - Waters <br /> Batch number: 04351A08D <br /> �) Trifluorotoluene-F <br /> 4429662 100 <br /> it Blank e ? 100 E <br /> RRRrrr LCS 104 ; <br /> *-Outside of specification } <br /> (1) The result for one or both determinations was less than five times the LOQ., <br /> (2) Thb background result was more than four times the spike added. <br /> i <br />