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• • •rt <br /> Lancaster Laboratories Page 1 of 3 <br /> Where q dys a sclence <br /> Quty Control Summary <br /> Client Name Chevron Products Company Group Number 806082 <br /> Reported 05/15/02 at 02-30 PM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL Units XRSC RSC Limits RPD RPD Max <br /> Batch number 02123A51A Sample number(s) 3813895-3813899 <br /> Benzene N D 0 5 ug/1 105 104 80-118 1 30 <br /> Toluene N D 0 5 ug/l 107 105 82-119 2 30 <br /> Ethylbenzene N D 0 5 ug/l 106 104 81-119 2 30 <br /> Total Xylenes N D 1 5 ug/1 109 107 82-120 2 30 <br /> Methyl tert-Butyl Ether N D 2 5 ug/1 111 114 79-127 3 30 <br /> TPH-GRD - Waters N D 50 ug/1 93 96 76-126 4 30 <br /> Batch number 02123A51B Sample number(s) 3813899-3813903 <br /> Methyl tert-Butyl Ether N D 2 5 ug/1 Ill 114 79-127 3 30 <br /> TPH-GRO - Waters N D 50 ug/l 93 96 76-126 4 30 <br /> Batch number 021240008A Sample number(s) 3813897-3813903 <br /> TPH - DRO CA LUFT (Waters) N D 50 ug/1 70 86 54-120 21* 20 <br /> Batch number 02126112601A Sample number(s) 3813896 <br /> TRPH 418 1 N D 32 mg/l 87 106 57-110 19* 11 <br /> Batch number 021290022A Sample number(s) 3813900-3813903 <br /> Methanol (by Direct Injection) N D 1000 ug/1 96 64-130 <br /> Batch number V021222AB Sample number s) 3813900-3813903 <br /> Ethanol N D 500 ug/l 99 44-139 <br /> Methyl t-butyl ether N D 2 ug/l 107 77-127 <br /> da.-Isopropyl ether N D 2 ug/1 105 74-125 <br /> thy! t-butyl ether N D 2 ug/1 102 74-120 <br /> -Amyl methyl ether N D 2 ug/l 105 71-114 <br /> 't-Butyl alcohol N D 100 ug/1 119 59-139 <br /> Benzene N D 5 ug/l 106 84-120 <br /> 1,2-Dichloroethane N D 2 ug/1 109 77-132 <br /> Toluene N D 5 ug/1 104 86-123 <br /> 1,2-Dibromoethane N D 2 ug/1 110 84-119 <br /> Ethylbenzene N D 5 ug/l 107 88-124 <br /> Xylene (Total) N D 5 ug/l 101 89-124 <br /> Batch number V021272AB Sample number(s) 3813899 <br /> Methyl t-butyl ether N D 2 ug/1 105 77-127 <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD BXG DUP DUP DUP <br /> RPD <br /> Analysis Name %RBC $R$C Limits RPD MAX Conc Conc RPD Max <br /> Batch number 02123A51A Sample number(s) 3813895-3813899 <br /> Benzene 115 77-131 <br /> Toluene 120 80-128 <br /> Ethylbenzene 117 76-132 <br /> Total Xylenes 120 76-132 <br /> Methyl tert-Butyl Ether 113 61-144 <br /> TPH-GRO - Waters 115 74-132 <br /> Batch number 02123A51B Sample number(s) 3813899-3813903 <br /> Methyl tert-Butyl Ether 113 61-144 <br /> TPH-GRO - Waters 115 74-132 <br /> Batch number 02126112601A Sample number(s) 3813896 <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 /> Lancaster Laboratories Inc <br /> iN F Im B E R 2425 New Holland Poke <br /> PO Box 12425 <br /> Lancaster PA 17605 2425 <br /> 717 656 2300 Fax 717-656 2681 2216 Rev 9111/00 <br />