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Analysis <br /> Lancaster Laboratories Page 1 of 5 <br /> Where quality rs a science <br /> Quality Control Summary <br /> Client Name Chevron Products Company Group Number 807163 <br /> Reported 05/21/02 at 04 03 PM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result INIDL Units %REC 9011EC Limits RPD RPD Max <br /> Batch number 021310008A Sample number(s) 3818056-3818059,3818061,3818063-3818064 <br /> TPH - DRO CA LUFT (Waters) N D 50 ug/l 63 70 54-120 11 20 <br /> Batch number 021330025A Sample number(s) 3818056-381B059,3818061,3818063-3818064 <br /> Methanol (by Direct Injection) N D 200 ug/1 108 64-130 <br /> Batch number 021330026A Sample numbers) 3818060,3818062 <br /> Ethanol (by Direct Injection) N D 200 ug/kg 100 76-115 <br /> Methanol (by Direct Injection) N D 200 ug/kg 108 79-117 <br /> Batch number 02133A56A Sample number(s) 3818056-3818059,3818063-3B18D65 <br /> TPH-GRO - Waters N D 50 ug/1 102 110 76-126 8 30 <br /> Batch number 02133A56B Sample number(s) 3818061 <br /> TPH-GRO - Waters N D 50 ug/1 102 110 76-126 8 30 <br /> Batch number 02134A33A Sample number(s) 3818060,3818062 <br /> TPH-GRO - Soils N D 1 mg/kg 99 75-117 <br /> Batch'number 021350000A Sample number(s) 3818060,3818062 <br /> TPH - DRO CA LUFT (Soils) N D 10 mg/kg 65 41-143 <br /> Batch number D021331AA Sample number(s) 3818060,3818062 <br /> Methyl t-butyl ether N D 1 ug/kg 105 75-135 <br /> Q <br /> i-Isopropyl ether N D 1 ug/kg 100 73-127 <br /> thyl t-butyl ether N D 1 ug/kg 104 73-135 <br /> Amyl methyl ether N D 1 ug/kg 102 71-132 <br /> t-Butyl alcohol N D 20 ug/kg 103 52-158 <br /> Benzene N D 1 ug/kg 97 85-125 <br /> 1,2-Dxchloroethane N D 1 ug/kg 106 81-128 <br /> Toluene N D 1 ug/kg 91 84-125 <br /> Ethylbenzene N D 1 ug/kg 94 86-127 <br /> 1,2-Dibromoethane N D 1 ug/kg 95 78-121 <br /> Xylene (Total) N D 1 ug/kg 96 87-127 <br /> Batch number U021331AA Sample number(s) 3818056-3818059,3818061,3818063-3818065 <br /> Ethanol N D 50 ug/l 116 44-139 <br /> Methyl t-butyl ether N D 5 ug/l 92 77-127 <br /> di-Isopropyl ether N D 5 ug/l 99 74-125 <br /> Ethyl t-butyl ether N D 5 ug/l 97 74-120 <br /> t-Amyl methyl ether N D 5 ug/l 100 71-114 <br /> t-Butyl alcohol N D 5 ug/l 100 59-139 <br /> Benzene N D 5 ug/l 102 84-120 <br /> 1,2-Dichloroethane N D 5 ug/l 91 77-132 <br /> Toluene N D 5 ug/l 91 86-123 <br /> 1,2-Dxbromoethane N D 5 ug/l 88 84-119 <br /> Ethylbenzene N D 5 ug/l 96 88-124 <br /> Xylene (Total) N D 5 ug/l 95 89-124 <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD BKG DUP DUP DUP <br /> RPD <br /> Anal eis Name REC %REC Limits RPD MAX Conc Conc RPD Max <br /> Batch number 021330025A Sample number(s) 3818056-3818059,3818061,3818063-3818064 <br /> Methanol (by Direct Injection) 108 104 58-137 4 20 <br /> *-Outside of specification <br /> 401) 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 /> Lancaster Laboratories Inc <br /> M I- M B E R 2425 New Holland Pike <br /> PO Box 12425 <br /> Lancaster PA 17605 2425 <br /> 7117 656-2300 Fax 717 656 2681 2216 Rev 9111/00 <br />