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L rtalysis Report <br /> Lancaster Laboratories Pa <br /> �+ ge 1 of <br /> Where qu�li y is a science. <br /> Qua 3.ty Control Summary <br /> Client Name: Chevron Products Company Group Number: 793154 <br /> Reported: 01/18/02 at 09:30 AM <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: 02014A53 Sample number(s) : 3757425-3757432 i <br /> TPH-GRO - Waters N.D. 50. ug/l 89 95 76-119 7 <br /> 20 <br /> Batch number: 02015A53 Sample number(s) : 3757433-3757441 <br /> TPH-GRO - Waters N.D. 50. ug/l 88 B3 76-119_ 5 20 <br /> Batch number: U020142AB Sample number(s) : 3757425-3757430,3757433-3757436` <br /> Methyl t-butyl ether N.D. 5 -ug/l 97 99' 77-127 2 30 <br /> Benzene N.D. .5 ug/l 200 100 85-125 1 30 <br /> Toluene N.D. 5 ug/l 102 97 86-123 5 30 <br /> Ethylbenzene N.D:. .5 ug/l 103 98 88-124 6 30 <br /> Xylene (Total) N-D.. 1 5 ug/l 103 100 89-124 3 30 <br /> Batch number: U020151AA Sample number(s) : 3757431-3757432,3757437-3757439 i <br /> Methyl t-butyl ether N.D. .5 ug/l 100 77-127 <br /> Benzene N.D. .5 ug/l 105 84-120 <br /> Toluene N.D. .5 ug/l 102 86-123 { <br /> Ethylbenzene, N.D. .5 ug/1 103 88-124 <br /> Xylene (Total) N.D. .5 ug/l 104 - 89--124 <br /> !' <br /> _C8atch number: V020151AB Sample number(s) : .3757440-3757442 <br /> thyl t-butyl ether N.D. .5 ug/l 92 77-127 <br /> nzene N.D. .5 ug/l 101 85-125 <br /> Toluene N.D. .5 ug/l 99 86-123 <br /> Ethylbenzene N.D. ' .5 ug/l 93 86-124, <br /> Xylene (Total) N.D. .5 ug/l 99 89-124 I <br /> I <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD BKG DUP DUP Dup <br /> Analysis Name %REC %REC Limits RPD MAX Cone Conc RPD RPD <br /> Max <br /> Batch number: 02014A53 Sample number(s) : 3757425-3757432 <br /> TPH-GRO - Waters 102 105 74-132 3 20 <br /> .Batch number: 02015A53 Sample number(s) : 3757433-3757441 <br /> 'TPH-GRO - Waters 95 97 74-132 2 20 <br /> Batch number: U020142AB Sample number(s) : 3757425-3757430,3757433-3757436 <br /> Methyl t-butyl ether 94 69-134 <br /> Benzene 106 78-134 <br /> Toluene 103 78-133 - <br /> Ethylbenzene 105 82-134 p <br /> Xylene (Total) 105 81-136 <br /> Batch number: U020151AA Sample number(s) : 3757431-3757432,3757437-3757439 <br /> Methyl t-butyl ether 95 98 69-134 3 30 <br /> Benzene 106 107 78-134 1 30 <br /> *-Outside of specification <br /> 'a) The result for one or both determinations was less than five times the LOQ. <br /> The background result was more than fourtimes the spike added. <br /> Lancaster Laboratories;Inc. <br /> MEMBER 2425 New Holland Pike_ <br /> ® PO Box 12425 <br /> Lancaster,PA 17605-2425 <br /> 7-- 656-2300 Fax.717-656-2681 2216 Rev.9/11/00 f <br />