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i <br /> i <br /> Lancaster, R Re ort <br /> . Laboratories �! ys r►s p <br /> i New Holland Pace,PQ Bm 12426.Lancaster,PA 376115.2425•737-656-2300 ("ax:117-656.2681'wwwt39n.:0.St6rlabS.COM <br /> 2425 <br /> Page 2 of 6 <br /> i <br /> Quality Control Sux=ary <br /> iClient Name: Chevron Group Number: 980155 <br /> Reported: 03/16/06 at 12:40 PM <br /> Laboratory Compliance Quality Control <br /> i Blank Blank Report LCS LCSD LCS/LCSD <br /> Aaalvsis Name R uYt MVL U to &RRC %RRC Limit§ RIPT RPA MA7C <br /> Ethyl t-butyl ether N.D. 0.5 ug/l 8B 74-120 <br /> t-Amyl methyl ether N.B. 0.5 ug/l 93 79-113 <br /> t-Butyl alcohol N.D. 5. ug/l 86 69-127 <br /> i Benzene N.D. 0.5 ug/l 91 85-117 <br /> 1,2-Dichloroethane N.D. 0.5 v0/1 101 77-132 <br /> N.D. 0.5 ug/1 93 85 135 <br /> 1.2-Dibromoethane N.D. 0.5 ug/l 89 81-114 <br /> Toluene <br /> 82-219 <br /> Ethylbenzene N.D. 0.5 ug/l 95 83-113 <br /> iXylene (Total) N.D. 0.5 ug/l 100 <br /> Sample Matrix Quality Control <br /> Unspiked (UNSPK) . the sample used in conjunction with the matrix spike <br /> Background (BKG) = the sample used in conjunction with the duplicate <br /> MS XsD MB/MSD RPD BKG DUP DUP Dup RPD <br /> l e' <br /> %RRC 5L?--RC M Coat Conc SEP Max <br /> Name <br /> Batch number: 060650030A Sample number(s) : 4720755 UNSPK: P717677 <br /> Methanol (by Direct Injection) 144* 136• 81-117 6 20 <br /> Batch number: 060680016A Sample number(D): 4720756-4720764 UNSPK: 4720756 <br /> Methanol (by Direct Injection) 104 100 B1-117 4 20 <br /> Batch number: 0606BA16A Sample number(s) : 4720761-4720764 UNSPK: P721531 <br /> TPH-GRO - Waters 115 63-154 <br /> Batch number: 06069A20A Sample number(s): 4720755,4720757,4720759 UNSPK: P722292 <br /> TPH-GRO - Waters 83 63-154 <br /> Batch number: 060691320A Sample number(e) : 4720754,4720756,4720758.4720760 UNSPK: P722244 <br /> TPR-GRO - Waters 94 63-154 <br /> Batch number: Z060674AA Sample number(s): 4720754 UNSPK: P720821 <br /> Metbyl Tertiary Butyl Ether 62 76 69-127 8 30 <br /> Benzene 90 89 83-126 1 30 <br /> I Toluene 96 98 83-127 0 30 <br /> Ethylbenzene 95 94 82-129 2 30 <br /> Xylene (Total) 96 95 62-130 1 30 <br /> Batch number: Z060692AA Sample number(s): 4720755-4720760 UNSPK: P721552 <br />' Ethanol 109 115 34-161 5 30 <br /> Methyl Tertiary Butyl Ether (2) (2) 69-127 1 30 <br /> di-Isopropyl ether 93 94 75-130 1 30 <br /> Ethyl t-butyl ether 95 96 78-119 1 30 <br /> t-Amyl methyl ether 104 104 72-125 0 30 <br /> t-Butyl alcohol 104 92 64-130 4 30 <br />' Benzene 101 103 83-126 2 30 <br /> 3O <br /> 1.2-Dichloroethane 106 106 70-143 4 <br /> Toluene 104 104 83-127 ❑ 30 <br /> 1,2-Dibromoethane 93 94 78-120 1 30 <br /> Ethylbenzene 105 105 82-129 0 30 <br />' xylene (Total) 106 107 82-130 1 30 <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 />