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LancasterRe art <br /> Laboratories Analysisp <br /> 2425 New Holland Pike,PO Box 12425 Lancaster,PA 1 760 5-242 5•717-656-2300 Fax 717-656-2681•www larlcasterlabs corn <br /> Page 5 of 8 <br /> Quality Control Summary <br /> Client-Name —CheVronTexaco Group Number 872925 <br /> Reported 11/12/03 at 04 33 PM <br /> _Sample Matrix Quality Control <br /> Tom- M3 T MSD MS/MSD -T �- 4 RPD S1CG — - —DUP -DUP Dup — <br /> RPD <br /> Anal is Name T %REC $REC Limi s RPD MAX ConC Conc RPD - Max <br /> Pyrene 93 91 67-112 2 30 <br /> Hutylbenzylphthalate 87 87 69-115 1 30 <br /> Benzo(a)anthracene 92 89 72-108 3 30 <br />_ _Chrysene 92 90 73-108 3 30 -_ <br /> 3,31-Dichlorobenzidzne 93 85 8-113 9 30 <br /> bis(2-Ethylhexyl)phthalate 98 96 64-130 2 30 <br /> Di-n-octylphthalate 96 97 64-119 1 30 <br /> Benzo(b)fluoranthene 98 99 72-109 1 30 <br /> Benzo(k)fluoranthene 100 100 73-111 0 30 <br /> Benzo(a)pyrene 103 103 77-110 0 30 <br /> Indeno(1,2,3-cd)pyrene 109 108 69-115 1 30 <br /> Dibenz(a,h)anthracene 114 113 81-118 1 30 <br /> Benzo(g,h,i)perylene 112 110 72-114 2 30 <br /> 2-Methylphenol 74 76 34-119 3 30 <br /> 4-Methylphenol 63 65 11-144 3 30 <br /> Benzyl alcohol 80 84 61-69 5 30 _ <br /> Benzoic acid 18 0 6-60 200* 30 <br /> Batch number 033061848009 Sample number(s) 4154249 <br /> Cadmium 102 -99 87-117 3 20 N D 0 0022 4 (1) 20 <br /> Chromium 97 95 86-118 2 20 N D N D 0 (1) 20 <br /> Lead 102 102 87-118 0 20 N D N D 0 (1) 20 <br /> Nickel 98 96 91-111 2 20 N D 0 0088 8 (1) 20 <br /> Zinc 106 105 80-120 1 20 N D N D 0 (1) 20 <br /> Batch number 03308112601A Sample number(s) 4154248 <br /> TRPH 418 1 0 42 1 5 113' (1) 34 <br /> Batch-number �11033021ACT---'Sample-number(s) =4154248= _=-__= -- <br /> Ethanol 96 107 38-149 11 30 <br /> Meth l Tertiary Butyl Ether 100 100 69-134 0 30 <br /> - � d1-Isopropyl ether-- -------=1 0 2-- 302---75-130 ---3:=---30-- --- - - - - - - - - --- _ ------___ _ - - - <br /> Ethyl t-butyl ether 101 103 78-119 1 30 <br /> t_Amyl methyl ether- _ --100- =- 100_ 77-117 _ 0 30 <br /> o <br /> t-Butyl alcohol 92 98 44-150 6 -30 <br /> Dichlorodifluoromethane 97 91 66-180 6 30 <br /> Chloromethane 97 90 70-148 8 30 <br /> Vinyl Chloride 101 99 64-148 2 30 <br /> Bromomethane 97 97-52=140-0-30 <br /> Chloroethane 99 99 63-142 1 30 <br /> Trichlorofluoromethane 103 101 64-154 2 30 <br /> 1,1-Dichloroethene 114 116 78-146 2 30 <br /> Methylene Chloride 102 106 79-133 4 30 <br /> trans-1,2-Dichloroethene 109 107 82-133 2 30 <br /> 1,1-Dichloroethane 106 104 85-135 2 30 <br /> 2,2-Dichloropropane - 109 109 78-134 0 30 <br /> cis-1,2-Dichloroethene 103 105 83-126 2 30 <br /> Chloroform 105 106 82-131 1 30 <br /> Bromochloromethane 91 92 60-130 2 30 <br /> 1,1,1-Trichloroethane 107 107 82-135 1 30 <br /> Carbon Tetrachloride 108 110 73-144 2 30 <br /> 1,1-Dichloropropene 108 110 87-127 2 30 <br /> Henzene 106 106 83-128 1 30 <br /> 1,2-Dichloroethane 104 103 73-136 1 30 <br /> Trichloroethene 105 104 75-135 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 />