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� Lancaster <br /> Analysis Report <br />' �25IImv.lp�l��d r'b, r'C E1R 521?5 L�nslni if1!T[v;tr?a2ti T4j 6514 F1'K1 Ffrx Tit 0."k�111iS WWWSaR�ayli3[IBF,f9G(1[n <br /> Page I of 3 <br /> Quality Control Summary <br /> ' Client Name ChevronTexaco Group Number 895826 <br /> Reported 05/20/04 at 04 48 PM <br /> Matrix QC may not be reported tfsite-specific QC samples were not <br /> ' submitted In these situations,to demonstrate precision and accuracy at <br /> a batch level,a LCS/LCSD was performed,unless otherwise specified to the <br /> method <br /> ' Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> ' Analvsis Name Reault M-19 Units R8 RBC m toPDPD RPD Max <br /> Batch number 0413SAOSA sample number s) 4272159 <br /> TPH-GRO - Waters N D 50 ug/l 111 111 70-130 0 30 <br /> ' Batch number 0413SA08B Sample number(a) 4272160-4272162 <br /> TPH-GRO - waters N D 50 ug/l 111 111 70-130 0 30 <br /> Batch number P041382AA Sample number(s) 4272159-4272160 <br /> Ethanol N D 50 ug/1 90 46-145 <br /> ' Methyl Tertiary Butyl Ether N D 0 5 ug/l 105 77-127 <br /> di-Isopropyl ether N D 0 5 ug/l 94 67-130 <br /> Ethyl t-butyl ether N D 0 5 ug/l 97 74-120 <br /> t-Amyl methyl ether N D 0 5 ug/l 106 79-113 <br /> t-Butyl alcohol N D 5 ug/l 111 57-141 <br /> Benzene N D 0 5 ug/l 100 85-117 <br /> ' 1,2-Dichloroethane N D 0 5 ug/l 105 77-132 <br /> Toluene N D 0 5 ug/l 98 es-115 <br /> 1,2-Dibromoethane N D 0 5 ug/l 95 81-114 <br /> Ethylbenzene N D 0 5 ug/l 100 62-119 <br /> Xylene (Total) N D 0 5 ug/1 102 84-120 <br /> Batch number P041392AB Sample number(s) 4272161-4272162 <br /> Ethanol N D 50 ug/l 76 46-145 <br /> Methyl Tertiary Butyl Ether N D 0 5 ug/l 107 77-127 <br /> di-Isopropyl ether N D 0 5 ug/l 83 67-130 <br /> Ethyl t-butyl ether N D 0 5 ug/1 93 74-120 <br /> t-Amyl methyl ether N D 0 5 ug/l 107 79-113 <br /> t-Butyl alcohol N D 5 ug/l 111 57-141 <br /> Benzene N D 0 5 ug/l 97 85-117 <br /> 1,2-Dichloroethane N D 0 5 ug/1 108 77-132 <br /> Toluene N D 0 5 ug/1 98 85-115 <br /> ' 1,2-Dibromoethane N D 0 5 u9/1 95 61-114 <br /> Ethylbenzene N D 0 5 ug/l 100 82-119 <br /> Xylene {Total) N D 0 5 ug/l 100 84-120 <br /> Sample Matrix Quality Control <br /> ' MS MSD MS/MSD RPD BKa DUP DUP Delp RPD <br /> Analysis Name %RRC REC Limits RPD MAIC Conc Conc RPU Max^ <br /> ' Batch number 0413SA06A Sample number s) 4272159 <br /> TPH-GRO - Waters 129 63-154 <br /> ' *-Outside of specification <br /> (I) The result for one or both determinations was less than five times the LOQ <br /> (2) Fhe background result was more than four times the spike added <br />