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4 <br /> f i E <br /> Lancaster <br /> Laboratories r Analysis Report <br /> 2425 New Holland Pike PO Box 12425 Lancasier PA 17605-2425•717 656 2300 Fax 717 656-2681•www ianeasteriabs corn <br /> Page 1 of 74 <br /> Quality Control Summary <br /> Client Name Chevron Texaco Group Number 918531 <br /> Report_e_d11/71/04 at 06 35 PM T - - <br /> Matrix QC ma} not be reported if site-specific QC samples were not <br /> submitted In these situations, to demonstrate precision and accuracy at— - - - � � 1 ` <br /> a batch level, a LCS/LCSD was performed,unless otherwise specified in the <br /> method — <br /> Laboratory Compliance Quality Control <br /> Blank Blank Report LC& LCSD LCS/LCSD <br /> Analysis Name Result MDL Units REC %REC Limits RPA RPD Max <br /> Batch number 04304WAH026 Sample number(s) 4391329 <br /> Aniline N D 1 ug/1 88 � 68 35-102 26 30 <br /> 4-Chloroaniline N D 25 ug/l 79 69 32-120 15 30 <br /> Dibenzofuran N D 5 0 ug/1 89 74 65-110 18 30 <br /> . 2-Methylnaphthalene N D 5 ug/l 87 71, 54-110 20- 30 y <br /> 2-Nitroanillne N D 10 ug/l 95 79 73-115 18 30 <br /> 3-Nitroaniline N D 10 u13/1 90 72 64-113 23 30 <br /> 4-Nitroaniline N D 20 ug/l 78 65 56-107 19 30 <br /> 2,4,5-Trichlorophenol N D 10 ug/l 91 72 70-115 23 30 <br /> 2-Chlorophenol N D -5 ug/l 88 67 63-112 27 3o <br /> Phenol N D 5 ug/l 44 37 24-65 17 30 <br /> 2-Nitrophenol N D 10 u9/1 102 82 68-118 21 30 <br /> 2,4-Dimethylphenol N D 5 u9/1 86 73 60-107 16 30 <br /> 2,4-Dichlorophenol N D 5 ug/l 89 70 66-110 24 30 <br /> 4-Chloro-3-methylphenol N D 5 ug/1 90 75 70-112 19 30 <br /> 2,4,6-Trichlorophenol N D 10 ug/l 99 75 69-111 27 30 <br /> 2,4-Dinitrophenol N D 20 ug/1 78 66 46-121 16 30 <br /> — _-4-Nitrophenal N D _ 10 ug/1 40____35 19-76 12 30 - <br /> 4,6-Dinatro-2-methylphenol N-D lo—ug/187-71-56-130"—" T 21 30 �` — <br /> Pentachlorophenol N D 10 ug/l 76 60 48-108 24 30 <br /> —N,Nitroaodzmethylamine _ _ _N_D 5_ ug/1 _ .. 60 58 39-84 3 30 <br />- - <br /> 153s(2-Chloroethyl)ether-----N-D------- 5-- <br /> 1,3-Dichlorobenzene N D 5 ug/l 85 61 35-107 34* 30 <br /> 1,4-Dichlorobenzene _ _-N D _ _T_10 __ __ug/1 ­877 61_ 37=109„ 35+ _ _30 <br /> 1,2-Dichlorobenzene N D S ug/1 85 -� 60:__ '42-105 35* 30 - <br /> bis(2-Chloroisopropyl)ether N D 5 ug/l 119 84 55-130 34* 30 <br /> Hexachloroethane N D 5 ug/i 82 55 18-110 39* 30 <br /> N-Nitroso-di-n-propylamine N D 5 ug/1 95 73 56-109 26 30 <br /> Nitrobenzene N D 5 ug/1 98 76 61=111 25 30 <br /> Isophorone N D 5 ug/l 89 75 63-105 16 30 <br /> bis(2-Chloroethoxy)methane N D 5 ug/1 105 86 69-119 20 30 <br /> 1,2,4-Trichlorobenzene N D 5 ug/l 91 70 45-109 26 30 <br /> Naphthalene N D 5 ug/1 90 71 56-108 24 30 <br /> Hexachlorobutadiene N D 10 ug/l 78 58 15-119 30 30 <br /> Hexachlorocyclopentadiene N D 10 ug/l 79 52 12-140 40* 30 <br /> 2-Chloronaphthalene N D 5 ug/l 80 64 57-95 22 30 <br /> Acenaphthylene N D 5 ug/1 104 82 65-120 24 30 <br /> Dimethylphthalate N D 5 ug/l 85 63 34-114 29 30 <br /> 2,6-Dinitrotoluene N D 10 ug/l 89 73 70-108 20 30 <br /> Acenaphthene N D 5 ug/l 96 76 66-111 21 30 <br /> 2,4-Dinitrotoluene N D 10 ug/l 93 76 75-122 20 30 <br /> Flucrene N D 5 u9/1 84 70 61-116 17 30 <br /> 4-Chlorophenyl-phenylether N D 5 ug/l 87 73 65-110 17 30 <br /> Diethylphthalate N D 5 ug/l Be 70 61-110 23 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 />