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= TV M mar M <br /> i <br /> Groundwater Analytical Data <br /> January 30,2002 <br /> 7-Eleven Store#19975 <br /> 1399 North Main Street <br /> Manteca,California <br /> Well No 1 Ethyl- MTBE Dissolved <br /> Elevation Date Benzene Toluene benzene Xylenes TPH-G 8020 8260 TBA DIPS ETBE TAME 1,2-DCA Ethanol Methanol Oxygen DTW SPT WTE <br /> (TOC) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pgIL) (pg/L) (pgIL) (pgIL) (pg/L) (pg/L) (pg/L) (mgIL) (mgIL) (mgIL) (ft) (ft) (ft) <br /> MWA <br /> 31 99 01/30/02 8 3 <5 <5 <5 2,500 -- 9,200 <1,000 <250 <25D <250 -- -- -- 1 0 18 85 0 00 13 14 <br /> MW-IA <br /> 32 os 01!30/02 0 82 <0 5 r <0 5 <0 5 <50 -- <5 <20 <5 <5 <5 -- -- 30 19.00 000 1309 <br /> MW-2 <br /> 31 2 01/301p2 190 45 160 540 5,500 -- 1 TO <20 <5 <5 <5 -- -- — 1 p 1810 0 00 13 10 <br /> MW-3 <br /> 31 87 01130/02 <0 5 <0 5 <0 5 1 1 110 -- <5 <20 <5 <5 <5 -- -- -» 1 1 1872 000 1315 <br /> MWA - <br /> 32 73 01/30/02 <0 5 <0 5 <0 5 <0 5 <50 -- <5 <20 <5 <5 <5 — -- — 29 1940 000 13 33 <br /> MW-4A <br /> 32 48 01/30/02 <0 5 <0 5 <0 5 <0 5 <50 -- <5 <20 <5 <5 <5 - — -- 1 7 19 27 000 1321 <br /> MW-5 <br /> 31 88 01/30/02 240 40 180 1 460 3,700 -- 660 140 <5 <5 <5 -- -- -- 09 1890 000 12 98 <br /> MW-5A <br /> 3148 01/30/02 <0 5 <0 5 <0 5 <0 5 <50 -- <5 <20 <5 <5 <5 .. -. -- 1 1 1855 000 1293 <br /> MW-6 <br /> MW-7 33 65 01/30102 <0 5 <0 5 <0 5 <0 5 88 <5 <20 <5 <5 - <5 -- -- -- 12 205 000 1309 <br /> I <br /> 32 45 01!30/02 <0 5 <0 5 1 <0 5 052 91 -- 13 <20 <5 <5 <5 -- - 1 0 1956 0 00 1289 <br /> Explanation <br /> TPH-G=total petroleum hydrocarbons-as-gasoline 1,2-DCA= 1,2-Dichloroethane <br /> MTBE=methyl-tent-butyl-ether pgIL=micrograms per Liter <br /> TBA=tert-butanol mg/l_=milligrams per Liter <br /> DIPE=diisoprophyl ether --=Not analyzed/Not available <br /> ETBE W ethyl-tert-butyl ether <br /> TAME=tett-amylmethyl ether <br /> i <br /> 7-11119976 tab As 1 of 1 05-10-02 <br />