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Analysis • • <br /> Lancaster Laboratories <br /> Where quality Is a science <br /> Page 2 of 7 <br /> Quality Control Summary <br /> Client_Name--ChevronTexaco _—_-- Group—Number —828908 <br /> Reported: 11/13/02 at 01 47 PM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LCS LCSD LCS/LCSD <br /> 4D. <br /> nN -h <br /> � Result NIDAL Unite %RSC %R8C Limits aPD RPD Max <br /> Di-n-butylphteha late N D 2 —ug7 1 85 B5 68-119 0 30 <br /> Fluoranthene N D 1 u9/1 80 82 66-118 1 30 <br /> Pyrene N D 1 ug/1 91 89 68-125 2 30 <br /> Butylbenzylphthalate N D 2 u9/1 98 98 55-142 0 30 <br /> Benzo(a)anthracene _ _ N D _ 1 ug/1 89 _ 89 71-117 0 _ _30 <br /> Chrysene N D I ug/1 89 89 69-121 0 30 <br /> 3,31 -Dichlorobenzidine N D I ug/1 46 45 43-111 2 30 <br /> bis(2-Ethylhexyl)phthalate N D 2 ug/1 94 94 61-133 0 30 <br /> Ds-n-octylphthalate N D 2 u9/1 90 89 75-127 2 30 <br /> Benzo(b)fluoranthene N D 1 ug/1 92 91 69-120 1 30 <br /> Benzo(k)fluoranthene N D 1 ug/l 92 89 70-122 2 30 <br /> Benzo(a)pyrene N D 1 ug/l 91 91 75-119 0 30 <br /> Indeno(1,2,3-cd)pyrene N D 1 ug/l 96 96 71-123 0 30 <br /> Dibenz(a,h)anthracene N D 1 ug/l 103 102 76-130 1 30 <br /> Senzo(g,h,i)perylene N D 1 u9/1 95 95 72-123 0 30 <br /> 2-Methylphenol N D 1 ug/l 76 79 64-102 5 30 <br /> 4-Methylphenol N D 2 ug/l 75 80 35-124 6 30 <br /> Benzyl alcohol N D 5 ug/l 77 83 58-99 B 30 <br /> Benzoic acid N D 6 ug/l 25 32 5-75 24 30 <br /> Batch number 02308112601A Sample number(s) 3930710 <br /> TRPH 418 1 N D 32 mg/l 82 94 57-110 14* 11 <br /> Batch number 023081848002 Sample number(s) 3930711 <br /> Cadmium N D 10 ug/l 104 94-110 <br /> Chromium N D 2 ug/l 105 95-1.10 <br /> Lead N D 8 9 ug/l 102 94-110 <br /> Nickel N ❑ 1 9 ug/l 103 92-110 <br /> Zinc N D 4 9 ug/l 104 94-112 <br /> Batch number N023082AA Sample number(a) 3930709-3930710,3930712,3930714 <br /> _Ethanol _ N D 50 ug/1 _93 43-159--- <br /> Methyl t=bY.h <br /> utyl eer - N D —u <br /> - -- --5 T - g/l 96— — 77-127— <br /> di-Isopropyl ether N D 5 ug/1 90 74-125 <br /> Ethyl t-butyl ether N D 5 ug/l 86 _74-120 <br /> t-,Amyl methyl ether N D 5 ug/I 90 71-114 <br /> t-Butyl alcohol N D 5 ug/l 95 59-139 <br /> Dichlorodifluoromethane N D 2 ug/l 111 32-142 <br /> Chloromethane N D 1 ug/1 93 47=132 <br /> Vinyl Chloride N D 1 ug/l 94 59-129 <br /> Bromomethane N D 1 ug/l 75 42-126 <br /> Chloroethane N D I ug/l 87 53-117 <br /> Trichlorofluoromethane N D 2 ug/l 109 66-139 <br /> 1,1-1)xchloxoethene N D 8 ug/l 105 67-140 <br /> Methylene Chloride N D 2 ug/1 103 82-122 <br /> trans-1,2-Dichloroethene N D 8 ug/1 102 81-124 <br /> 1,1-Dichloroethane N D 1 u9/1 101 77-129 <br /> 2,2-Dichloropropane N D 1 ug/l 99 75-129 <br /> cis-1,2-Dichlorcethene N D 8 ug/1 101 84-117 <br /> Chloroform N D 8 ug/l 106 86-124 <br /> Bromochloromethane N D 1 ug/l 93 58-138 <br /> 1,1,1-Trichloroethane N D 8 u9/1 103 83-127 <br /> Carbon Tetrachloride N D 1 ug/l 98 77-130 <br /> 1,1-Dichlo>:opropene N D 1 ug/l 101 79-123 <br /> Benzene N D 5 ug/l 106 85-117 <br /> 1,2-Dichloroethane N D 5 ug/l 104 77-132 <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 /> Lancaster Laboratories Inc <br /> M IE IN B 11=- R 2425 New Holland Pike <br /> PO Box 12425 <br /> WAI Lancaster PA 17605 2425 <br /> 717-656 2300 Fax 717-656-2681 2216 Rev 9/11/00 <br />