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0 0 0 <br /> Table 1 <br /> First Quarter 2004 Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store#17334 <br /> 4501 North Pershing Avenue <br /> Stockton,CA <br /> Well IDI Ethyl- Dissolved <br /> Elevation Date Benzene Toluene Benzene Xylene TPHg MtBE TBA DIPE ETBE TAME Notes Oxygen DTW SPT WTE <br /> (TOC) (pgll-) (pall-) (pg1L) (pglL) (NgIL) (pgll-) (vgIL} (pgli-} 0AWL) Wall-) (mall-} (feet) (feet) (feet) <br /> MW-2 02/13/04 <0 50 <0 50 <0 50 <0 50 <50 057 <5 0 <0 50 <0 50 <0 50 02 1881 000 -1017 <br /> 864 <br /> MW-3 02/13/04 12 1 2 <0 50 16 87 24 <5 0 <0 50 <0 50 <0 50 1 1 1806 000 -1062 <br /> 744 <br /> MW-4 02/13/04 <0 50 054 <0 50 089 530 86 930 <0 50 <0 50 <0 50 08 1764 000 -1095 <br /> 669 <br /> MW-5A 02/13/04 1,800 4,100 1,100 5,200 32,000 250 340 <20 <20 <20 03 1769 000 -1047 <br /> 722 <br /> MW-5B 02/13/04 <0 50 11 <0 50 096 <50 1 6 <5 0 <0 50 <0 50 <0 50 09 1791 000 -1045 <br /> 746 <br /> Explanation <br /> TPHg=Total petroleum hydrocarbons-as-gasoline TAME=Tert-amyl-methyl ether pglL=micrograms per liter <br /> MtBE=Methyl-tert-butyl ether DTW=Depth to water mglL=milligrams per liter <br /> TBA=Tert-butanol SPT=Separate-phase hydrocarbon thickness <br /> DIPE=Disopropyl ether WTE=Water table elevation <br /> EtBE=Ethyl-tert-butyl ether TOC=Top of casing elevation in feet above mean sea level <br /> Note Samples analyzed using EPA Method 82608 <br /> 7-Elevenl7-11 Store114063tTables117334 04-1Q Page 1 of 1 <br />