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II r !o k <br /> I <br /> Lancaster <br /> Laboratories analysis Report <br /> 2425 New,Holland Pike,PO Box 12425,Lanoasler,PA 17605.2425 717.656-2300 Fax;717.656-2681•www.lancastertabs.com <br /> ' Page I of 2 <br /> Quality Control Summary <br /> Client Name: ChevronTexaco Group Number: 941273 <br /> Reported: 05/04/05 at 10:55 PM �. <br /> Matrix QC-may not be reported ifsite-specific QC samples were not <br /> submitted. In these situations,to demonstrate precision and accuracy at <br /> a batch level,a LCSILCSD was performed,unless otherwise specified in the <br /> i method. ;I <br /> Iti r ;g <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br />` Analysis Name I Result MDL Units %REC $RBC Limits RPD RPD Max <br /> Batch number: 05123A08B Sample number(s) - 4512930-4512933 <br /> TPH-GRO1-.,Waters N.D. 50. ug/l 107 103 70-130 3 30 <br /> Batch number: Z051231AA Sample number(8) t 4512930-4512933 <br /> Ethanol N.D. 50. ug/1 102 30-155 E <br /> Methyl Tertiary Butyl Ether N.D. 0.5 ug/l 96 77-127 <br /> di-Isopropyl ether,! N.D. 0.5 ug/l 91 67-130 <br /> , Ethyl t-butyl ether N.D. 0.5 ug/l 92 7471.20 <br /> t-Amyl methyl ether N.D. 0.5 ug/l 96 79-113 <br /> F ` t-Butyl alcohol N.D. S. ug/l 101 d 57-141 <br /> BenzeneN.D. 0.5 ug/1 96 85-117 <br /> 1' 1,2-Dich16roethane ' N.D. 0.5 ug/1 102 77-132 <br /> I it Toluene N.D. 0.5 ug/l 105 85-115 <br /> 1,2-Dibromoethane N.D. 0.5 ug/l 102 81-li4 <br /> e Ethylbenzene N.D. 0.5 ug/l 105 82-119 <br /> Xylene (Total) N.D. 0.5 ug/l 108 83-113 <br /> l ' t <br />! Ik h <br /> Sample Matrix Quality Control � <br /> a l MS MSD MS/MSD RPD BRG DUP DUP Dup RPD F <br /> ��rr Analysis Nape j $REC REC Limits RPD MAX Conc Conc RPD Max <br /> �l <br /> l !'Batch number: 05123AOSB Sample number(s) : 4512930-4512933 } <br /> TPH-GRO,,—Waters 129 132 63-154 2 30 <br /> 1 <br /> Batch number: Z051231AA Sample number(s) : 4512930-4512933 <br /> Ethanol. 106 91 26-153 15 30 <br /> Methyl Tertiary Butyl Ether 99 98 69-134 2 30 <br /> di-lsopropyl ether 97 95 75-130 2 30 <br /> Ethyl t=butyl ether 96 95 78-119 2 30 r <br /> t-Amyl methyl ether 100 99 77-117 1 30 <br /> E t-Sutyl;alcohol 104 103 51-147 1 30 <br /> Benzene ' 105 103 83-128 2 30' �! <br /> 1,2-Dichloroethane . 106 104 73-136 2 30 <br /> Toluene 113 110 83-127 3 30: <br /> 1,2-Dibromoethane !. 104 102 78-120 2 30 <br /> ` Ethylbenzene 113 111 82-129 2 30 ; <br /> !i Xylene (Total) 115 113 82-130 2 30 <br /> l <br /> r *-Outside of specification I <br /> (1) The result for one or both determinations was less than five times the LOQ. <br /> ;1(2) The background result was more than four times the spike added. <br /> A. <br /> !j <br /> Il } <br /> 4 <br /> Ei <br />