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�ncaster � III <br /> i� boratories ,Art ly � Report <br /> 2425 New HoMand pike PO Box 12425 Lancaster,PA 17605 2425 717 656 2300 Fax 717-e58.2e81-www Iancastarlabs!'i m <br /> Page I of 2 <br /> Quality Control Summary <br /> Client Name ChevronTexaco Group Number 847400 <br /> Reported 04/16/03 at 09 43 AM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD 1.C&/LCSD <br /> Analysis Name Result MAL units IfREC RE Limits RPD RPD Max <br /> Batch number 03093A07D Sample number(s) 4022890-4022894 <br /> TPH-GRO - Waters N D 50 ug/l 1.01 104 70-130 3 30 <br /> Batch number 030990014A Sample number(s) 4022890-4022894 <br /> Methanol 1by Direct Injection) N D 200 ug/1 92 7$-114 <br /> Batch number Po30981AA Sample number(s) 4022690-4022894 <br /> Ethanol N D 50 ug/l 113 43-159 <br /> Methyl Tertiary Butyl Ether N D 5 ug/l 95 77-127 <br /> di-Isopropyl ether N D 5 ug/l 106 74-125 <br /> Ethyl t-butyl ether N D 5 ug/1 99 74-120 <br /> t-Amyl methyl ether N D 5 u9/1 94 79-113 <br /> t-Butyl alcohol N D 5 u9/1 99 53-147 <br /> Benzene N D 5 ug/1 100 B5-117 <br /> 1,2-D.lchloroethane N D 5 ug/l 100 77-132 <br /> Toluene N D 5 ug/1 92 85-115 <br /> 1,2-D.ibromoethane N D 5 ug/l 87 81-114 <br /> Ethylbenzene N D 5 ug/l 97 82--119 <br /> Xylene (Total) N D 5 ug/l 98 84-120 <br /> 40 Sample Matrix Quality Control <br /> MS MSD 14S/MSD RPD BKG DUP DUP Dup <br /> RPD <br /> Analysis Name RE 96REC Limits RPDAXAX Cong canc RPD )fix ^ <br /> Batch number 03093A07D Sample number(s) 4022890-4022894 <br /> TPH-GRO - Waters 67 66* 70-130 14 30 <br /> Batch number 030990014A Sample number(s) 4022890-4022894 <br /> Methanol (by Direct Injection) 96 92 78-116 4 20 <br /> Batch number P030981AA Sample number(s) 4022890-4022894 <br /> Ethanol 125 125 34-163 0 30 <br /> Methyl Tertiary Butyl Ether 96 97 69-134 1 30 <br /> di-Isopropyl ether 108 111 75-130 2 30 <br /> Ethyl t-butyl ether 101 102 73-123 2 30 <br /> t-Amyl methyl ether 95 97 77-117 1 30 <br /> t-Butyl alcohol 103 105 39-155 3 30 <br /> Benzene 105 107 83-128 2 30 <br /> 1,2-Dichloroethane 103 104 73 136 1 30 <br /> Toluene 99 101 83-127 3 30 <br /> 1,2-Dibromoethane 95 91 78-120 4 30 <br /> Ethylbenzene 101 104 82-134 3 30 <br /> Xylene (Total) 104 107 82-130 3 30 <br /> Surrogate Quality Control <br /> Analysis Name TPH-GRO - Waters <br /> Batch number 03093A07D <br /> *-Outside of specification <br /> (1) The result for one or both determinations was less than five time,,the LOQ <br /> The background result was more than four times the spike added <br />