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Lancaster <br /> Laboratories Analysis Report <br /> Now Holland Pike,PO Box 12425,Lancaster,PA 176052425•717-856-2300 Fax:717-85&2881•www.lancasterlabs.com <br /> Page ] of 3 <br /> Quality Control Summary <br /> Client Name: ChevronTexaco Group Number: 847702 <br /> Reported: 04/22/03 at 03 :23 PM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result ML Units !IREC REC Limits RPD RPD Max <br /> Batch number: 03097A07C Sample number(s) 4024132-4024138 <br /> TPS-GRO - Waters N.D. 50. ug/l 116 117 70-130 1 30 <br /> Batch number: 030990007A Sample number(s) 4024133-4024138 <br /> Total TPH N.D. 40. ug/1 81 80 71-117 2 20 <br /> TPH Motor Oil C16-C36 N.D. 40. ug/l <br /> Batch number: 030990009A Sample number(s) 4024133-4024138 <br /> TPH - DRO CA LUFT (Waters) N.D. 50. u9/1 103 98 61-126 5 20 <br /> Batch number: 030990015A Sample number(s) 4024133-4024138 <br /> Methanol (by Direct Injection) N.D. 200. ug/1 96 78-114 <br /> Batch number: P031012AA Sample number(s) 4024132-4024138 <br /> Ethanol N.D. 50. ug/1 105 43-159 <br /> Methyl Tertiary Butyl Ether N.D. .5 ug/l 92 77-127 <br /> di-Isopropyl ether N.D. 5 ug/1 103 74-125 <br /> Ethyl t-butyl ether N.D. -5 ug/1 96 74-120 <br /> t-Amyl methyl ether N.D. -5 ug/1 91 79-113 <br /> t-Butyl alcohol N.D. S. ug/l 96 53-147 <br /> Benzene N.D. .5 ug/1 99 85-117 <br /> 0Dichloroethane N-D. .5 ug/l 97 77-132 <br /> uene N.D. .5 ug/l 95 85-115 <br /> -Dibromoethane N.D. .5 ug/l 90 81-114 <br /> Ethylbenzene N.D. .5 ug/1 95 82-119 <br /> Xylene (Total) N.D. .5 ug/l 98 84-120 <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD BRG DUP DUP Dup <br /> RPD <br /> Analysis Name %RECREC imi�ts RPD MAX Conc Conc RPD Maces <br /> Batch number: 03097A07C Sample number(s) : 4024132-4024138 <br /> TPH-GRO - Waters 114 116 70-130 1 30 <br /> Batch number: 030990015A Sample number(s) : 4024133-4024138 <br /> Methanol (by Direct Injection) 92 96 78-116 4 20 <br /> Batch number: P031012AA Sample number(s) : 4024132-4024138 <br /> Ethanol 81 87 34-163 8 30 <br /> Methyl Tertiary Butyl Ether 93 96 69-134 3 30 <br /> di-Isopropyl ether 106 107 75-130 1 30 <br /> Ethyl t-butyl ether 98 100 73-123 2 30 <br /> t-Amyl methyl ether 93 95 77-117 1 30 <br /> t-Butyl alcohol 8o 84 39-155 5 30 <br /> Benzene 106 107 83-128 2 30 <br /> 1,2-Dichloroethane 101 100 73-136 1 30 <br /> Toluene 103 104 83-127 1 30 <br /> 1,2-Dibromoethane 92 92 78-120 1 30 <br /> Ethylbenzene 100 102 82-134 2 30 <br /> Xylene (Total) 102 105 82-130 3 30 <br /> *-Outside of specification <br /> The result for one or both determinations was less than five times the LOQ. <br /> The background result was more than four times the spike added. <br />