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d <br />< <i <br /> Lancaster, Analysis Report <br /> ries <br /> Laborato , <br /> 2425 New Holland Pike.PO Box 12425,Lancaster,PA 17605-2425•717-656-2300 Fax:717-656-2681•www.lanca5terlab5.cam <br /> Page 1 of 3 <br /> I <br /> I <br /> Quality Control Summary <br /> Client Name: ChevronTexaco Group Number: 944319 <br /> Reported: 06/02/05 at 01:21 PM <br /> Matrix QC 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 /> i <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Result MDL [huts %RBC %REC Limits RPD RPD Max <br /> Batch number: 0515CA08D Sample number(s) 4528544-4528547 <br /> : TPH-GRO - Waters N.D. 50. ug/l 109 110 70-130 1 30 <br /> Batch number: Z051461ALA Sample number(s) 4528545-4528547 <br /> Ethanol N.D. 50. ug/l 102 30-155 <br /> Methyl Tertiary Butyl Ether N.D. 0.5 ug/1 87 77-127 <br /> di-Isopropyl ether N.D. 0.5 ug/l 93 67-130 <br /> Ethyl t-butyl ether N.D. 0.5 ug/l 90 74-120 <br /> t-Amyl methyl ether N.D. 0.5 ug/l 86 79-113 <br /> t-Butyl alcohol N.D. 5. ug/l 89 57-141 <br /> Benzene N.D. 0.5 ug/l 96 85-117 <br /> 1,2-Dichloroethane N.D. 0.5 u9/1 95 77-132 <br /> Toluene N.D. 0.5 ug/1 97 85-115 <br /> 1,2-Dibromoethane N.D. 0.5 ug/l 91 81-114 <br /> Ethylbenzene N.D. 0.5 ug/l 97 82-119 <br /> Xylene (Total) N.D. 0.5 ug/l 96 83-113 <br /> Batch number: Z051491AA Sample number(s) : 4528544,4528547 <br /> Ethanol N.D. 50. ug/l ill 30-155 <br /> Methyl Tertiary Butyl Ether N.D. 0.5 ug/l 85 77-127 <br /> di-Isopropyl ether N.D. 0.5 ug/l 90 67-130 <br /> Ethyl t-butyl ether N.D. 0.5 ug/1 88 74-120 <br /> t-Amyl methyl ether N.D. 0.5 ug/l 86 79-113 <br /> t-Butyl alcohol N.D. 5. ug/l 89 57-141 <br /> Benzene N.D. 0.5 ug/l 95 85-117 <br /> 1,2-Diuhloroethane N.D. 0.5 ug/l 102 77-132 <br /> Toluene N.D. 0.5 ug/l 95 85-115 <br /> 1,2-Dibromoethane N.D. 0.5 ug/1 91 81-114 <br /> Ethylbenzene N.D. 0.5 ug/l 97 82-119 <br /> Xylene (Total) N.D. 0.5 u9/1 97 83-113 <br /> ( <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD B&d DUP DUP Dup RPD ' <br /> Anal eis Name %REC %REC Limits RPD MAX Conc Cone RPD Max <br /> I <br /> Batch number: 05150A08D Sample number(s) : 4528544-4528547 <br /> TPH-GRO - Waters 128 63-154 <br /> Batch number: Z051461AA Sample number(s) : 4528545-4528547 <br /> Ethanol 109 104 26-153 5 30 <br /> Methyl Tertiary Butyl Ether 88 90 69-134 2 30 <br /> *-Outside of specification <br /> (1) 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 /> I <br /> ., 1 <br />