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Tat1 <br /> Second Quarter 2005 Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store#17334 <br /> 4501 North Pershing Avenue <br /> Stockton,CA <br /> Well ID! E#hyl- , �� Dissolved - Y <br /> Eleva#lore Date Benzerle Toluej (pg/L) <br /> I®nzene Xylene dTPH9 MtBE RIBA �DIPE �ETB T�HIE Motes Oxj►gen�� DT SP iiTE <br /> (TOC) (�9tL?, � (P9f �ik�9fl-1 " -(trs/L) (pg/L) � ?� --(pg/L) (p9fL1P91L} ��_� „(m�ftj {feet)' ti�(faet), °(feet) <br /> MW-2 05/02/05 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <5 0 <0 50 <0 50 <0 50 19 1780 000 -916 <br /> 864 <br /> MW-3 05/02/05 <0 50 <0 50 <0 50 <0 50 63 35 17 <0 50 <0 50 <0 50 1 6 1710 000 -966 <br /> 744 <br /> MW-4 05/02/05 <0 50 <0 50 <0 50 <0 50 560 51 380 <0 50 <0 50 <0 50 1 0 1668 000 -999 <br /> 669 <br /> MW-SA 05/02/05 780 1,500 960 3,500 22,000 89 500 <5 0 <5 0 <5 0 d 1 5 1667 000 -945 <br /> 7221 <br /> MW-513 05/02/05 11 1 9 1 1 31 72 1 0 <5 0 <0 50 <0 50 <0 50 21 1692 000 -946 <br /> 7461 <br /> Explanation <br /> TPHg=Total petroleum hydrocarbons-as-gasoline TAME=Tert-amyl-methyl ether pg/L=micrograms per liter <br /> MtBE=Methyl-tert-butyl ether DTW=Depth to water mg/L=milligrams per liter <br /> TBA=Tert-butanol SPT=Separate-phase hydrocarbon thickness <br /> DIPE=Diasopropyl ether WTE=Water table elevation <br /> ELBE=Ethyl-tert-butyl ether TOC=Top of casing elevation in feet above mean sea level <br /> Note Samples analyzed by EPA Method 8260B <br /> d=Matrix Spike/Matnx Spike Duplicate Results for the analyte TBA were affected by the analyte concentrations already present in the un-spiked sample <br /> 7-Elevenl7-11 Store1140631Tables117334 Current Groundwater As Page 1 of 1 <br />