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r r r r rr rr r rr r r r �r r r rr rr rr : r <br /> • i <br /> Table 1 <br /> Groundwater Monitoring Data <br /> November 24,1999 <br /> 7-Eleven Store#20632 <br /> 4627 DaVlnct Drive <br /> Stockton, California <br /> Well 1D1 Ethyl 1 _ MTBE Dissolved -- - <br /> Elevation Date Benzene Toluene Benzene Xylenes TPH-G 8020 8260 TBA DIPE ETBE TAME Oxygen DTW SPT WTE <br /> (ug1L) (P91) _(PgIL) (V9/L) (u9li} (u91L1 T(N41L? (4�g�L) =(WgrL1 (NB�L) {ug�L1 (m9�L} _ _(feet— Meet} <br /> MW-1 <br /> 173 <br /> 11/24199 091 378 241 588 259 <5 —<5 <20 <5 <5_ <5 _ _102 6 60 000 -487 <br /> i MW-2 - -- — - <br /> 282 <br /> 11/24/99 04 288 <0 3 177 3,490 5,830 _,450 <800 <200 <200 <200 _11 8 7 85 0 00 -5 03_ <br /> MW-3 <br /> 2 82 11124/99 <0 3 <0 3 <0 3 <0 6 95 896 <5 <20 <5 <5 <5 132 770 000 488 <br /> MW-4 <br /> Well destroyed 8198 -_— - — -- -- <br /> MW-5 <br /> 257 <br /> 11/24/99 _21 4_ 129 14 2 149 257 25 9 _28 1_ <20 <5 _ <5 _ _ <5 —_1 05 7 50 0 05 =4_93 <br /> EXPLANATION <br /> -=Not avadablelnot sampled pg1L=micrograms per liter <br /> TPH-G=Total petroleum hydrocarbons-as gasoline mg/L=milligrams per liter <br /> TPH D=Total petroleum hydrocarbons as-diesel <br /> MTBE=Methyl lert-butyl ether <br /> TOC=Top of casing elevation(in feet above mean sea level) <br /> DTW=Depth to water <br /> SPT=Separate phase hydrocarbon thickness <br /> WTE=Water table elevation <br /> 20632TB1 WK4 IT CORPORATION <br />