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�� tl <br /> 5 <br /> Lancaster <br /> C,, Laboratories Analysis Report <br /> 2425 New Holland Pike,PO Bax 12425,Lancaslel,PA 17605.2425-717.656-2300 Fax:717.656.2661•www.lancasterlabs.com <br /> Page 2 of 3 <br /> j1 Quality Control Summary <br /> . 1 <br /> Client Name: ChevronTexaco Group Number: 929713 <br /> Reported: 02/02/05 at 10:14 PM <br /> I� 7 . Sample Matrix Quality Control <br /> 11 MS MSD MS/MSD RPD BRG DUP DUP Dup RPD <br /> Analysis Name ". REC %RSC Limits RPD MAX Conc Cone RPD Max <br /> i Batch number: Z050311AA Sample number(s) : 4454554 ! <br /> i!r Ethanol 11 96 88 33-153 6 30 <br /> Methyl Tertiary Butyl Ether, los 105 69-134 0 30 'k' <br /> di-Isopropyl ether 103 103 75-130 1 30 <br /> Ethyl t-butyl ether 106 107 78-119 1 30 <br /> t-Amyl methyl ether 107 107 77-117 0 30 <br /> t-Butyl alcohol 101 102 51-147 1 30 <br /> Benzene 110 110 83-128 1 30 <br /> 1,2-Dichloroethane 109 111 73-136 2 30 <br /> Toluene 113 112 63-127 1 30 i <br /> 1,2-Dibromoethane . 105 103 78-120 2 30 !k <br /> Ethylbenzene ii 114 114 82-129 0 30 S <br /> Xylene� (Total) 113 113 82-130 0 3.0 <br /> I Batch number: Z050313AA Sample number(s) : 4454555-4454557 <br /> Ethanol 84 82 33-153 2 30 <br /> Methyl°Tertiary Butyl Ether105 104 69-134 1 30 <br /> di-Isopropyl ether 98 98 75-130 1 30 <br /> Ethyl t-butyl ether 104 103 78-119 1 30 <br /> t-Amyl methyl ether 107 105 77-117 1 30 <br /> t-Butyl alcohol 100 98 51-147 2 30 li I <br /> Benzene 106 107 63-126 1 30 <br /> 1,2-Dichloroethane 109 109 73-136 0 30 <br /> Toluene ill 109 63-127 1 30 <br /> 1,2-Dibromoethane: 101 100 78-120 1 30 <br /> Ethylbenzene 110 ill 82-129 1 30 <br /> Xylene� (Total) 110 110 82-130 0 30 <br /> Batch number: Zo50321AA Sample,number(s) : 4454557 l a <br /> Methyl')Tertiary Bdtyl Ether. (2) (2) 69-134 1 30 <br /> it Surrogate Quality Control <br /> Analysis Name: TPH-GRO - Waters <br /> Batch number: 05032ASlA <br /> i <br /> Trifluorotoluene-F <br /> 4454554 a 97 <br /> 4454555 y 102 i I { <br /> 4454556 95 ,� k <br /> 4454557 .F 96 I <br /> Blank 1) 98 <br /> LCS i 100 <br /> LCSD 101 <br /> MS „ 103 <br /> Limits: 57-146 <br /> ii <br /> Analysis'Name: BTEX+5 Oxygenates+EDC+EDB+ETOH IE <br /> Batch number: Z050311AA <br /> Dibromofluoromethane 1,2-Dichloroethane-d4 Toluene-d8 4-Bromofluorobenzene <br /> `i <br /> P i <br /> *-Outside of specification <br /> IL (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 /> 9 <br /> :f i <br /> i ,,. 0 <br />