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Tab:t 1 1 <br /> Fourth Quarter 2005 Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store#20632 <br /> 4627 Da Vinci Drive <br /> Stockton,CA <br /> Well ID/ Ethyl- Dissolved <br /> Elevation Date Benzene Toluene Benzene Xylene TPHg MtBE TBA DIPE ETRE TAME Notes Oxygen DTW SPT WTE <br /> (TOC) fN9lLl [1�9►L) (p !L) ( !L (P IL (liglL) L) (p !L) (PL (pOIL) (m !L) (feet) (feet) [feet) <br /> MW-1 10/25/05 <0.50 3.7 <0.50 <0.50 72 4.7 47 <0.50 <0.50 <0.50 4.5 6.46 0.00 -4.73 <br /> 1.73 <br /> MW-2 10/25/05 <0.50 <0.50 <0.50 <0.50 <50 350 <5.0 <0.50 <0.50 <0.50 3.1 7.99 0.00 -5.17 <br /> 2.82 <br /> MW-3 10/25/05 <0.50 <0.50 1.4 <0.50 320 <0.50 <5.0 <0.50 <0.50 <0.50 3.6 7.91 0.00 -5.09 <br /> 2.82 <br /> MW4R 10/25/05 190 100 1,600 5,000 29,000 390 1,900 <9.0 <9.0 <9.0 3.1 7.38 0.00 -5.01 <br /> 2.37 <br /> MW-5 10/25/05 7.0 <0.50 0.66 0.76 110 180 830 0.69 <0.50 <0.50 2.9 7.62 0.00 -5.05 <br /> 2.57 <br /> MW-6 10/25/05 <0.50 <0.50 <0.50 <0.50 <50 0.58 <5.0 <0.50 <0.50 <0.50 3.4 7.41 0.00 -5.03 <br /> 2.38 <br /> MW-7 10/25/05 <7.0 <7.0 <7.0 16 <700 7,600 1 26,000 t777.0 <7.0 8.4 3.2 7.96 0.00 -5.23 <br /> 2.73 <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 mg1L=milligrams per liter <br /> TBA=Tort-butanol SPT=Separate-phase hydrocarbon thickness <br /> DIPE=Diisopropyl ether WTE=Water table elevation <br /> EtBE=Ethyl-tert-butyl ether TOC=Top of casing elevation in feet above mean sea level <br /> Notes <br /> Samples analyzed by EPA Method 8260E <br /> 7-Elevenl7-1 t Storer206321Tables120632 Current Groundwater-As Page 1 of t <br />