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i <br /> L . 4 Lancaster <br /> Laboratories Analysis Report <br /> 2425 New Holland Pike,PO Box 12425,Lancaster,PA 17605-2425•717.656-2300 Fax:7i7-658-2681•www.lancasterlabs.com <br /> Page I of 3 <br /> � a <br /> I Quality Control Sunmary <br /> Clientl!Name: ChevronTexaco Group Number: 917560 <br /> Reported: 11/03/04 at 04:53 PM <br /> Matrix QC may not tie 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 /> , I <br /> method. a <br /> i( <br /> Laboratory Compliance Quality Control .� <br /> Blank Blank Report LCS LCSD LCS/LCSD f <br /> Analysis=Name, Result MDL Units REC %RHC Limits RPD RPD Max ! <br /> Y r IS <br /> Ilw Batoh number: 04299A08E Sample number(s) : 4385470-43$5473 <br /> TPH-GROI' Waters N.D. 50. ug/l 06 81 70-130 6 30 ;# <br /> Batch number: Z043061AA Sample number(s) : 4385471-4385473 �. <br /> Ethanol i, N.D. 50. ug/l 87 46-145 <br /> I Methyl',Tertiary Butyl Ether N,D. 0.5 ug/l 98 77-127 <br /> e di-Isopropyl ether N.D. 0.5 ug/l 99 67-130 <br /> Ethyl t-butyl ether N.D. 0.5 ug/l 98 74-120 <br /> t-Amyl'.methyl ether N.D. 0.5 u9/1 98 79-113 1 <br /> t-Butyl alcohol N.D. 5. ug/1 91 57-141 <br /> E Benzene Il j N.D. 0.5 ug/1 100 85-117 <br /> 1,2-Dichloroethane N.D. 0.5 ug/1 100 77-132 <br /> Toluene li N.D, 0.5 ug/l 102 85-115 <br /> 1,2-Dibromoethane , N,D. 0.5 ug/1 95 B1-114 <br /> Ethylbenzene 11 N.D. 0.5 ug/l 104 82-119 <br /> Xylene, (Total) N.D. 0.5 ug/l 102 63-113 <br /> i <br /> Batch nui,mber: Z043071AA Sample number(s) ; 4385470 <br /> Ethanol ii N.D, 50. ug/l 11.4 46-145 <br /> Methyl"Tertiary Butyl Ether N.D. 0.5 ug/l 96 77-127 <br /> di-Isopropyl ether N,D. 0.5 ug/1 101 67-130 <br /> Ethyl t-butyl ether N.D. 0.5 ug/1 lco 74-120 i <br /> t-Amyl;methyl.ether N.D. 0.5 ug/1 98 79-113 <br /> t-Butyl alcohol N.D. 5. ug/1 91 57-141 r <br /> Benzene ,] N.D. 0.5 ug/1 99 85-117 <br /> 1,2-Dichloroethane N.D. 0.5 ug/l 101 77-132 11 <br /> Toluene 1+ N.D. 0.5 ug/l 99 85-115 <br /> 1,2-Dibromoethane N.D, 0.5 ug/l 96 81-114 <br /> Ethylbenzene N.D. 0.5 ug/l 101 82-119 <br /> Xylene:(Total) ` N.D. 0.5 ug/l 99 83-113 <br /> Sample Matrix Quality Control <br /> f M3 MSD MS/MSD RPD BKG DUP DUP Dup RPA <br /> Analysis11 IIName <br /> AX%RRC REC Limits RPD MConc Conc RPD Max <br /> llir <br /> Batch number: 04299AO8E Sample number(s) : 4385470-4385473 <br /> TPH-GRO „ waters 118 63-154 <br /> Batch number: Z043061AA Sample number(s) : 4385471-4385473 <br /> Ethanol 11 101 96 33-153 5 30 <br /> Methyl Tertiary Butyl Ether 93 99 69-134 5 30 <br /> ! a <br /> *-Outside of specification 1 <br /> (1) The result for one or both determinations was less than five tithes the LOQ. <br /> (2) The background result was more than four times the spike added. <br /> Lf E <br /> li :f <br /> F <br />{ <br />