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Table 1 <br /> Groundwater Monitoring Results <br /> October 15,2002 <br /> 7-Eleven Store#17334 <br /> 4501 North Pershing Avenue <br /> Stockton,California <br /> Well 1111 Ethyl- MTBE MTBE Dissolved <br /> Elevation Benzene Toluenes Benzene Xylene TPH-G TPH-D 8020 8260 TBA 101PE FTSE TAME Oxygen QTW SPT WTE <br /> (11700 Date (nLl (P410 jPg/L# (wg«) (ttgA-) (IjWL) f1ig11- t1WL) W (10910(I1911L (lig/Li (MqQ 066 {feet) (feet) <br /> MW-1 <br /> 7 34 Wt#destroyed OB114M and replaced by MVV-5A on=5W <br /> MW 1A <br /> 7 26 V eM destroyed OW14168 arnd replaced by NW-58 on U8 Wa <br /> MW-2 <br /> s 64 113/1$102 <015 <61 <0.5 <0.$ <50 »» < <015 <5 <5 <0 5 <.O,s 1, 19.30 0100 <br /> MW-3 I 44 10/15/02 <0 5 0.92 <0.5 <0 5 <50 <5 0.63 <5 <0 5 <0-5 <0 5 1.0 1854 000 -11 10 <br /> MW-4 <br /> 6 69 10115102 <0 5 6.1 0.82 0.94 390 -- 1,100 1,100 S101 <25 <25 <25 10 10 14 0 00 -1145 <br /> MW-6A <br /> 722 10115102 1, 00 3,100 1,000 3,900 23,000 160 '160 <50 <5 <5 <5 11 1815 O OQ »10.94 <br /> MW-SB <br /> 7 46 10115102 <9-5 <0� <fl 5 <0 5 <5Q <9 1 � <5 t#o� <0.5 <0 5 1_fl€ 15 40 II,Ot3 -10,94 <br /> Explanation ETBE=ethyl-tert-butyl ether WTE=Water table elevation <br /> —=Not available/not sampled TAME=tert-amylmethyl ether tag/L=Micrograms per liter <br /> TPH-G=total petroleum hydrocarbons-as-gasoline TOC=Top of casing elevation(in feet above mean sea level) mgIL=Milligrams per liter <br /> MTBE=methyl-tert-butyl-ether DTW=Depth to water ND=Not Detected <br /> TBA=tert-butanol SPT=Separate-phase hydrocarbon thickness <br /> DIPE=diisopropyl ether <br /> 7-11/17334_tbl AS 1 of 1 11-20-02 <br />