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Lancasterr <br /> Laboratories Ana 1 ys►s Repo t <br /> 425 New Holland Pike PO Box 12425 Lancaster PA 176o5-2425•717-656-2300 Fax 717-656-2681 www Iancasteriabs coin <br /> Page 2 of 7 <br /> Quality Control Summary <br /> Client Name CheVronTexaco Group Number 941826 <br /> Reported 05/12/05 at 02 41 PM <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LC5 LCSD LCS/LCSD <br /> Analysis Name Result MDL Units %RHC %REC Limsts RPD RPD Max <br /> 1,2,4-Trichlorobenzene N D 5 ug/l 91 91 62-101 0 30 <br /> Naphthalene N D 5 ug/1 92 89 5B-10B 4 30 <br /> Hexachlorobutadiene N D 10 ug/l 90 88 34-111 2 30 <br /> Hexachlorocyclopentadiene N D 10 ug/1 119 121 23-134 1 30 <br /> 2-Chloronaphthalene N D 5 ug/1 76 76 56-100 0 30 <br /> Acenaphthylene N D 5 ug/1 107 106 65-120 1 30 <br /> Dimethylphthalate N D 5 ug/l 88 86 46-109 3 30 <br /> 2,6-Dinitrotoluene N D 10 ug/1 95 94 70-108 2 30 <br /> Acenaphthene N D 5 ug/1 100 97 68-111 3 30 <br /> 2,4-Dinitrotoluene N D 10 ug/1 100 100 75-122 0 30 <br /> Fluorene N D 5 ug/l 94 92 61-116 3 30 <br /> 4-Chlorophenyl-phenylether N D 5 ug/l 93 92 65-110 1 30 <br /> Dlethylphthalate N D 5 ug/1 93 91 61-110 2 30 <br /> N-Nitrosodlphenylamxne N D 5 ug/1 95 96 63-104 1 30 <br /> 4-Bromophenyl-phenylether N D 5 ug/l 93 95 67-110 1 30 <br /> Hexachlorobenzene N D 10 ug/l 98 96 68-113 2 30 <br /> Phenanthrene N D 5 ug/1 97 95 68-111 2 30 <br /> Anthracene N D 5 ug/l 99 98 68-108 1 30 <br /> D1-n-butylphthalate N ❑ 10 ug/l 96 93 63-113 4 30 <br /> Fluoranthene N D 5 ug/i 91 86 66-108 5 30 <br /> Pyrene N D 5 ug/1 100 96 68-114 4 30 <br /> Q <br /> utylbenzylphthalate N D 5o ug/1 100 94 63-120 7 30 <br /> enzo(a)anthracene N D 5 ug/l 100 94 72-112 6 30 <br /> hrysene N D 5 ug/1 96 93 70-111 3 30 <br /> 3,31-Dichlorobenzidine N D 10 ug/1 76 88 47-117 16 30 <br /> bis(2-Ethylhexyl)phthalate N D 10 ug/l 101 95 62-126 6 30 <br /> Di-n-octylphthalate N D 10 ug/l 86 87 58-118 0 30 <br /> Benzo(b)fluoranthene N D 5 u9/1 103 101 67-117 2 30 <br /> Benzo(k)fluoranthene N D 5 ug/1 90 89 67-120 2 30 <br /> Benzo(a)pyrene N D 5 ug/l 101 100 68-121 1 30 <br /> Indeno(1,2,3-cd)pyrene N D 10 ug/l 107 104 67-122 3 30 <br /> Dibenz(a,h)anthracene N D 10 ug/1 107 109 71-129 2 30 <br /> Benzo(g,h,i)perylene N D 5 u9/1 98 96 67-121 0 30 <br /> 2-Methylphenol N D 5 ug/l 83 81 56-10S 2 30 <br /> 4-Methylphenol N D 5 u9/1 82 82 51-98 0 30 <br /> Benzyl alcohol N D 11 ug/1 78 72 51-99 8 30 <br /> Benzoic acid N D 10 ug/l 17 38 6-81 77+ 30 <br /> Batch number 05125A16A Sample number{s) 4516306-4516307,4516309-4516311 <br /> TPH-GRO - Waters N D 50 ug/l 92 93 70-130 1 30 <br /> Batch number W051292AA Sample number(s) 4516307 <br /> Ethanol N D Soo ug/l 101 30-155 <br /> Methyl Tertiary Butyl Ether N D 2 ug/1 101 77-127 <br /> dz-Isopropyl ether N D 2 ug/1 96 67-130 <br /> Ethyl t-butyl ether N D 2 ug/l 101 74-120 <br /> t-Amyl methyl ether N D 2 ug/l 98 79-113 <br /> t-Butyl alcohol N D 100 ug/l 94 57-141 <br /> Dichlorodifluoromethane N D 2 ug/1 136 59-177 <br /> Chloromethane N D 2 ug/l 107 59-177 <br /> Vinyl Chloride N D 1 ug/l 105 71-134 <br /> Bromomethane N D 2 ug/1 102 62-131 <br /> Chloroethane N D 2 ug/l 104 67-127 <br /> Trichlorofluoromethane N D 2 ug/l 110 70-148 <br /> 1,1-Dichloroethene N D 1 ug/l 109 79-130 <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 />