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Tab! <br /> Fourth 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 IVVTE <br /> (TOC) (pgrL) (pglL) (pg/L) (pg/L) (pglL) (pglL) (pglL) (pg/L) (pgIL) (pg1L) (mglL) (feet) (feet) (feet) <br /> MW-2 12/06/04 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <5 0 <0 50 <0 50 <0 50 1 0 1991 000 -1127 <br /> 864 <br /> MW-3 12/06/04 <0 50 <0 50 <0 50 <0 50 69 40 12 <0 50 <0 50 <0 50 07 1922 000 -1178 <br /> 744 <br /> MWS 12/06/04 <0 50 <0 50 <0 50 <0 50 550 98 810 <0 50 <0 50 <0 50 1 6 1883 000 -1214 <br /> i <br /> 6691 <br /> MW-5A 12/06/04 1,000 2,100 700 3,000 22,000 240 580 <5 0 <5 0 <5 0 C 05 1882 000 -1160 <br /> 722 <br /> MW-56 12/06/04 <0 50 <0 50 <0 50 061 <50 <0 50 <5 0 <0 50 <0 50 <0 50 1 1 1906 000 -1160 <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=Diisopropyl 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 by EPA Method 8260B <br /> c=Matrix SpikelMatnx Spike Duplicate Results for the analyte Benzene were affected by the analyte concentrations already present in the un-spiked sample <br /> I <br /> s <br /> 7-Elevenl7-11 Store1140631Tables',17334 Current Groundwater As Page 1 of 1 <br />