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Lancaster <br />Laboratories Analysis Report <br />Y � <br />r 2425 New Holland Pike, PO Box 12425, Lancaster, PA 17605-2425 •717-656-2300 Fax: 717-666-2681 • www.lancasterlabs.com <br />Page 1 of 3 <br />Quality Control Sunmary <br />Client Name: ChevronTexacc <br />Reported: 03/25/04 at 10:42 AM <br />Group Number: 888176 <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 />*- 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 />RPD RPD Max <br />5 30 <br />1 30 <br />1 <br />DUP <br />RPD <br />30 <br />Dup <br />RPD <br />Max— <br />Laboratory Compliance Quality <br />Control <br />Blank <br />Blank <br />Report <br />LCS <br />LCSD <br />LCS/LCSD <br />Analysis Name <br />Result <br />MDL <br />Units <br />SMC– <br />RBC <br />Limits <br />Batch number: 0407SO027A <br />Sample <br />number(s); <br />4233965-4233968 <br />Methanol (by Direct Injection) <br />N.D. <br />200. <br />ug/1 <br />85 <br />76-119 <br />Batch number: 04076A07C <br />Sample <br />number(s): <br />4233965 <br />TPH-GRO - Waters <br />N.D. <br />50. <br />ug/l <br />91 <br />86 <br />70-130 <br />Batch number: 04076AOBA <br />Sample <br />number($): <br />4233966-4233967 <br />TPH-GRO - Waters <br />N.D. <br />50. <br />ug/l <br />109 <br />108 <br />70-130 <br />Batch number: 0407GA08B <br />Sample <br />number($): <br />4233968 <br />.. <br />TPH-GRO - Waters <br />N.D. <br />so. <br />ug/l <br />109 <br />108 <br />70-130 <br />Batch number: P040773AA <br />Sample <br />number(s): <br />4233965-4233968 <br />Ethanol <br />N.D. <br />50. <br />ug/l <br />86 <br />46-145 <br />Methyl Tertiary Butyl Ether <br />N.D. <br />0.5 <br />ug/l <br />94 <br />77-127 <br />di -Isopropyl ether <br />N.D. <br />0.5 <br />ug/l <br />91 <br />67-130 <br />Ethyl t -butyl ether <br />N.D. <br />0.5 <br />ug/l <br />93 <br />74-120 <br />t -Amyl methyl ether <br />N.D. <br />0.5 <br />ug/l <br />93 <br />79-113 <br />t -Butyl alcohol <br />N.D. <br />5. <br />ug/l <br />95 <br />57-141 <br />Benzene <br />N.D. <br />0.5 <br />ug/l <br />92 <br />85-117 <br />1,2-Dichloroetharne <br />N.D. <br />0.5 <br />ug/l <br />91 <br />77-132 <br />Toluene <br />N.D. <br />0.5 <br />ug/l <br />94 <br />65-115 <br />1,2-Dibromoethane <br />N.D. <br />0.5 <br />ug/l <br />96 <br />81-114 <br />Ethylbenzene <br />N.D. <br />0.5 <br />ug/l <br />94 <br />82-119 <br />Xylene (Total( <br />N.D. <br />0.5 <br />ug/1 <br />95 <br />84-120 <br />Sample <br />Matrix <br />Quality <br />Control <br />MS <br />MSD MS/MSD <br />RPD <br />BKG <br />DVP <br />„ <br />Analysis Name <br />%RBC <br />UEC Limits RPD MAX <br />Conc <br />Cone <br />Batch number: 040750027A <br />Sample <br />number(s): <br />4233965-4233968 <br />Methanol (by Direct Injection) <br />89 <br />85 72-122 4 <br />20 <br />Batch number: 04076A07C <br />Sample <br />number(s); <br />4233965 <br />TPH-GRO - Waters <br />39* <br />42* 63-154 3 <br />30 <br />Batchnumber: 0407GAO11A <br />Sample <br />number(s); <br />4233966-4233967 <br />TPH--GRO - Waters <br />122 <br />63-154 <br />-, <br />Batch number: 04076AO81; <br />Sample <br />number(s); <br />4233968 <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 />RPD RPD Max <br />5 30 <br />1 30 <br />1 <br />DUP <br />RPD <br />30 <br />Dup <br />RPD <br />Max— <br />