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Analysis Report <br /> *Lancaster <br /> • Laboratories <br /> Page 1 of 3 <br /> Quality Control Summary <br /> Client Name ChevronTexaco Group Number 877674 <br /> Reported 12/22/03 at 03 41 PM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL Units %REC %FEC Limits RPD RPD Max <br /> Batch number 03344A08C Sample number(s) 4179883-4179885 <br /> TPH-GRO - Waters N D 50 ug/l 96 70-130 <br /> Batch number 033450023A Sample number(s) 4179883-4179885 <br /> Methanol (by Direct In3ection) N D 200 ug/l 92 78-114 <br /> Batch number P033461AA Sample number(s) 4179883-4179885 <br /> Ethanol N D 50 ug/l 119 46-145 <br /> Methyl Tertiary Butyl Ether N D 0 5 ug/l 93 77-127 <br /> di-Isopropyl ether N D 0 5 ug/l 96 74-125 <br /> Ethyl t-butyl ether N D 0 5 ug/l 96 74-120 <br /> t-Amyl methyl ether N D 0 5 ug/l 94 79-113 <br /> t-Butyl alcohol N D 5 ug/l 108 53-147 <br /> Benzene N D 0 5 ug/l 95 85--117 <br /> 1,2-Dichloroethane N D 0 5 ug/l 91 77-132 <br /> Toluene N D 0 5 ug/l 93 85-115 <br /> 1,2-Drbromoethane N o 0 5 ug/l 95 81-114 <br /> Othylbenzene N D 0 5 ug/l 96 82-119 <br /> ylene (Total) N D 0 5 ug/1 95 84-120 <br /> Sample Matrix Quality Control <br /> MS MSD MS/MSD RPD EKG DUP DUP Dup <br /> RPD <br /> Analysis Name %REC %REC Limits RPD MAX Conc Cone RPD Max <br /> Batch number 03344A08C Sample number(s) 4179883-4179885 <br /> TPH-GRO - Waters 107 112 63-154 4 30 <br /> Batch number 033450023A Sample number(s) 4179883-4179885 <br /> Methanol (by Direct In3ection) 112 115 73-117 3 20 <br /> Batch number P033461AA Sample number(s) 4179883-4179885 <br /> Ethanol 117 114 38-149 3 30 <br /> Methyl Tertiary Butyl Ether 92 92 69-134 0 30 <br /> di-Isopropyl ether 98 98 75-130 1 30 <br /> Ethyl t-butyl ether 96 97 78-119 0 30 <br /> t-Amyl methyl ether 96 96 77-117 0 30 <br /> t-Butyl alcohol 112 123 44-150 9 30 <br /> Benzene 99 100 83-128 1 30 <br /> 1,2-Dzchloroethane 94 95 73-136 1 30 <br /> Toluene 99 loo 83-127 1 30 <br /> 1,2-Dibromoetbane 97 100 78-120 3 30 <br /> Ethylbenzene 99 102 82-129 3 30 <br /> Xylene (Total) 100 102 82-130 2 30 <br /> *-Outside of specification <br /> (1) The result for one or both determinations was less than five times the LOQ <br /> 02) The background result was more than four times the spike added <br /> Lancaster Laboratories Inc <br /> NI E NEE E Fi 2425 New Holland Pike <br /> PO Box 12425 <br /> Lancaster PA 17605 2425 <br /> 717 656 2300 Fax 717 656 2681 2216 Rev 3/10103 <br />