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i 1 <br /> - -Lancaster.- ­�- . _r _ - _ _-_ _ _ <br /> Laboratories analysis_xReport�� � <br /> 2425 New Holland Pike PO Boot 12425 Lancaster PA 17605-2425•717 656 2300 Fax 717 656-2681•www lanCaSterlabS aOm <br /> Page 1 of 7 <br /> Quality Control Summary <br /> Client Name ChevronTexaco Group Number' 953420 µ <br />_ Reported 08/10/45 at 06 22 PM <br /> Matrix QC may not be reported if site-specific QC samples were not - <br /> submitted In these situations,to demonstrate precision and accuracy at <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 LCS LCSD LCS/LCSD <br /> Analysis Name Result MDL Units %REC %RBC Limits RPD RPD M <br /> Batch number 052130023A sample number(s) 4573921,4573923-4573925 <br /> TPH-DRO CALUFT(Waters) N D 50 1 ug/l 84 85 64-125 1 20 <br /> Batch number 05213Ai6A sample number(s) 4573920-4573921,4573923-4573925 <br /> TPH-GRO - Waterer N D 50 ug/l 101 101 70-130 0 30 " <br /> Batch number 05215112601A sample number($) 4573921 <br /> TRPH 418 1 N D 0 40 mg/1 81 s0 54-113 2 14 <br /> Batch n„mbe nt'2lswAro26 Sample number(B) 4573921 <br /> Aniline N D 1 ug/1�7 7� 100 4 30 <br /> 4-Chloroaniline N ❑ 1 ug/l 82 81 23-116 1 30 <br /> Dibenzo£uran N D 1 ug/l 101 93 65-110 8 30 <br /> 2-Methylnaphthalene N D 1 ug/l 90 85 66-104 6 30 <br /> --2-Nitroaniline - - - - N D _ 1 ug/1 102 95 73-115 7 30 <br /> 3-Nitroanillne N D -1 ug/1` —97`- """-90'-"-"-""63-112 8 30�-..�—.--�� <br /> - 4-Nltroaniline _ = N D 1 ug/1 95 86 55-107 10 30 - <br /> 2,4,5-Trichlorophenol N D 1 ug/1- 97 -89 — 70-115 9 - --30 <br /> - <br /> 2-Chlorophenol N D 1 ug/1 98 93 63-112 5 30 <br /> Phenol - -- - - _ N 1) 1 ug/l 54 _ 48 29-57 13 30 <br /> 2-Nitrophenol N D 1 u9/1 111 ` 104-- -83-3-19 7- 30 <br /> 2 4-Dimethylphenol N D 3 ug/l 97 92 60-107 5 30 <br /> 2,4-Di chlorophenol N D 1 ug/1 99 95 66-110 4 30 <br /> 4-Chloro-3-methylphenol N D 1 ug/1 102 97 48-114 6 - 30 <br /> 2,4,6-Trichlorophenol N D 1 ug/l 103 93 69-111 10 30 <br /> 2,4-Dinitrophenol N D 20 ug/1 74 72 44-130 3 30 <br /> 4-Nitrophenol N D 10 ug/1 50 43 16-75 17 30 <br /> 4,6-Dinitro-2-methylphenol N D 5 ug/l 92 B3 56-130 10 30 <br /> Pentachlorophenol N D 3 ug/l 79 RS 46-108 5 30 <br /> N-Nitrosodimethylamine N D 2 ug/l 73 69 39-84 7 30 <br /> bxs(2-Chloroethyl)ether N D 1 ug/l 89 88 57-110 2 30 <br /> 1,3-Dichlorobenzene N D 1 ug/l 92 91 52-102 1 30 <br />_ <br /> 1,4-Dichlorobenzene N D 1 ug/l 94 92 54-103 3 30 <br /> 1,2-D1Chl63ObenZene N D- 1 ug/l 89 88 _ 5S=99 2 30 _ <br /> ble(2-Chloroisopropyl)ether N D 1 119/1 117 109 68-133 6 30 <br /> Hexachloroethane N D 1 ug/l 94 91 33-106 3 30 <br /> N-Nitroso-di-n-propylamine N D 1 ug/1 93 90 56-109 3 30 <br /> Nitrobenzene N D 1 ug/l 102 98 61-111 4 30 <br /> Isophorone N D 1 ug/l 97 91 63-105 6 30 <br /> bis(2-Chloroethoxy)methane N D 1 ug/l 107 101 69-119 5 30 <br /> 1,2,4-Trichlorobenzene N D 1 ug/l 97 92 62-101 6 30 <br /> Naphthalene N D 1 ug/l 101 9r. '70-102 5 30 <br /> Hexachlorobutadiene N D 1 ug/i 98 97 33-118 2 30 <br /> Hexachlorocyclopentadiene N D 5 ug/l 94 90 14-169 5 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 />