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oinallysis Report . <br /> b�Lancaster Laboratories Page 2 of 7 <br /> Where ppu r� is a science. <br /> aul' ty Control Summary <br /> Client Name: Chevron Products Company Group number: 783175 <br /> Reported: 10/31/01 at 04 :59 PM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL Units %REC %REC Limits RPD RPD Max ) <br /> Batch number: K012962AB Sample number(s) : 3711736,3711738-3711739 <br /> Methyl t-butyl ether N.D. 1. ug/kg 96 75-135 <br /> Benzene N.D. 1. ug/kg 99 85-125 <br /> Toluene N.D. 1. ug/kg 92 84-125 <br /> Ethylbenzene N.D. 1. ug/kg 96 86-127 <br /> Xylene (Total) N.D. 1, ug/kg 96 87-127 <br /> Sample Matrix Quality Control `[ <br /> MS MSD MS/MSD RPD BKG DUP DUP Dup ` <br /> RPD 1 <br /> Analysis Name %REC %REC Limits RPD MAx Conc Cone RPD Max <br /> Batch number: 01291A33 Sample number(s) : 3711718,3711720-3711725 <br /> TPH-GRO N. California ;soils) 84 92 54-100 9 20 <br /> Batch number: 01295A36 Sample number(s) : 3711699-3711717,3711719 <br /> TPH-GAO N. California (soils) 76 79 54-100 5 20 <br /> Batch number: 01297A33 Sample number(s) : 3711726--3711739 <br /> PH-GRO N. -California (soils) 74 76 54-100 2 20 <br /> Batch number: H012961AA Sample number(s) : 3711699-3711710 <br /> Methyl t-butyl ether 100 100 52-150 0 30 <br /> Benzene 110 112 53-150 2 30 <br /> Toluene 81 82 40-162 1 30 <br /> Ethylbenzene 81 83 38-163 3 30 <br /> Xylene (Total) 81 83 46-158 3 30 <br /> Batch number: H012961AB Sample number(s) : 3711711-3711713 <br /> Methyl t-butyl ether 100 100 52-150 0 30 <br /> Benzene 110 112 53-150 2 30 <br /> Toluene 81 82 40-162 1 30 <br /> Ethylbenzene 81 83 38-163 3 30 <br /> Xylene (Total) 81 83 46-158, 3 30 <br /> Batch number: K012961AA Sample number(s) : 3711714-3711715,3711717-3711718,3711720-3711725 <br /> Methyl t-butyl ether 89 88 52-150 1 30 <br /> Benzene 96 91 53-150 5 30 ' <br /> Toluene 85 87 40-162 2 30 <br /> Ethylbenzene 91 87 38-163 5 30 <br /> Xylene (Total) 89 90 46-158 1 30 <br /> Batch number: K012961AB Sample number(s) : 3711726-3711732 <br /> Methyl t-butyl ether 89 88 52-150 1 30 <br /> Benzene 96 91 53-150 5 30 <br /> Toluene 85 87 40-162 2 30 <br /> Ethylbenzene 91 87 38-163 5 30 <br /> Xylene (Total) 89 90 46-158 1 30 <br /> #-Outside of specification <br /> (I) 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 /> Lancaster Laboratories.Inc. <br /> M E M B E R 2425 New Holland Pike <br /> ® PO Box 12425 <br /> Lancaster,PA 17605-2425 <br /> 717-656-2300 Fax 717-G56-2681 2216 Rev-9/11/00 <br />