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4 - <br /> i li ' <br /> H �I <br /> L � - <br /> L •'•.. Ej I <br /> F <br /> L � EJ <br /> " Page 2 of 3 <br /> I <br /> C i <br /> Quality Control. Summary <br /> r <br /> Client Name: ChevronTexaco Group Number: 918567 <br /> Reported: 11/09/04 at 12:27 PM <br /> Sample Matrix Quality Control <br /> i EE <br /> E- I MS MSD MS/MSD RPD BKG DUP DUP Dup RPD 1 <br /> Analyeie Name I kREC REC Limits RPD MAX Conc Conc RPD Max <br /> Methyl Tertiary Butyl Ether 100 100 69-134 0 30 <br /> di-Isopropyl ether 102 102 75-130 1 30 <br /> Ethyl t-butyl ether 101 101 76-119 0 30 <br /> t-Amyl methyl ether ; 101 102 77-117 1 30 i <br /> t-Butyl alcohol 90 92 51-147 2 30 <br /> Benzene 76 85 83-126 2 30 <br /> 1,2-Dichloroethane 109 110 73-136 1 30 <br /> Toluene 103 103 83-127 0 30 <br /> 1,2-Dibromoethane 99 101 78-120 2 30 <br /> Ethylbenzene (2) (2) 82-229 3 30 i <br /> Xylene. (Total) ; 92 97 82-130 2" 30 <br /> Batch number: Z043131AA I Sample number(s) : 4391583 <br /> Ethanol 91 88 33-153 4 30 <br /> Methyl Tertiary Butyl Ether', 97 98 69-134 1 30 <br /> di-Isopropyl ether 99 99 75-130 0 30 <br /> Ethyl t-butyl ether I 99 99 76-119 1 30 <br /> t-Amyl methyl ether ! 96 98 77-117 2 30 <br /> t-Butyl alcohol 91 92 51-147 1 30 <br /> Benzene 99 99 83-128 1 30 <br /> 1,2-Dichloroethane 108 108 73-136 0 30 <br /> Toluene 102 101 83-127 1 30 <br /> 1,2-Dibromoethane' 95 95 78-120 0 30 <br /> Ethylbenzene 103 103 82-129 0 30 <br /> Xylene. (Total) I 100 100 82-1.30 1 30 <br /> ( <br /> Surrogate Quality Control <br /> Analysis Name: TPH-GRO - Wagers <br /> Batch number: 04306A56A <br /> Trifluorotoluene-F <br /> - i <br /> 4391583 :' 102 I <br /> 4391584 � 106 <br /> Blank 99 <br /> LCs 106 <br /> LCS17 106 i, ) <br /> MS 102 <br /> J Limits: ri 57-146 <br /> E <br /> Analysis Name: BTEX+5 Oxygenates+EDC+EDB+ETOH <br /> Batch number: Z043111AA 4 <br /> Dibromofluoromethane 1,2-Dichloroethane-d4 Toluene-dB 4-Bromofluorobenzene <br /> 4391584 99 Lt96 98 94 <br /> Blank 97 97 97 99 <br /> LCS 97 97 96 98 ; <br /> MS 99 97 g7 gg <br /> MSD s 99 I 97 97 98 <br /> L ` <br /> i <br /> r h <br /> *-Outside of specification <br /> (1) 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 /> i <br /> � 1 <br /> i <br /> ij i <br />