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M M M M M M M4r M <br /> MOM <br /> M M M M M M Me 7 <br /> Groundwater Monitoring Data <br /> January 9,2002 <br /> 7-Eleven Store No 20632 <br /> 4627 DaVinci Drive <br /> Stockton, California <br /> Well ID/ Ethyl- MTBE MTBE Dissolved <br /> Elevation Benzene Toluene Benzene Xylene TPH-G 8020 8260 TBA RIPE ETBE TAME Oxygen DTW SPT WTE <br /> (TOC) Date (palL) (p9lL) (palL) (PgIL) (pglL) (Pg/L) (pglL) (PAIL) (pgjL), (Pg/L) (Pg/L) (mall-) (feet) (feet) (feet) <br /> MW-1 <br /> 1 73 01/09102 <5 <5 <5 <5 <50 -- 180 77 <5 <5 <5 08 413 000 -240 <br />� MW-2 <br /> 2 82 01/09/02 <5 <5 <5 <5 2,630 -- 18,950 <20 <5 <5 9 10 532 000 -250 <br /> MW-3 <br /> 2 82 01!09102 <5 <5 199 282 1,570 -- <10 <20 <5 <5 <5 0.7 532 000 -2 50 <br /> MW-4 <br /> Well destroyed 8198 <br /> MW-5 <br /> W _ 2 57 01/09/02 <5 <5 <5 <5 <50 -- 52 <20 <5 <5 <5 09 5 00 000 <br /> EXPLANATION <br /> TPH-G=Total petroleum hydrocarbons-as-gasoline SPT=Separate-phase hydrocarbon thickness <br /> MTBE=Methyl-tert-butyl-ether WTE=Water table elevation <br /> TBA=Tert-Butanol pglL=micrograms per liter <br /> DIPE=Di-isopropyl ether mg1L=Milligrams per liter If <br /> ETBE=Ethyl-tertiary-butyl-ether --=Not availableinot sampled <br /> TAME=Tertiery-amyl-methyl ether TOC=Top of casing elevation(in feet above mean sea level) <br /> DTW=Depth to water <br /> 7-11120632 tbl As 1 of 1 03-06-02 <br />