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iiiititil� t� �� � i>• Il♦ � � � � � � � � � ll• ll• � Il♦ <br /> • Table# <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#6020 <br /> 1711 E Yosemite Avenue <br /> Manteca California <br /> Well Depth Groundwater TPH as Ethyl- TBA DIPE ETBE TAME 1,2 DCA EDB <br /> Well Dale Elevation to Water Elevation Gasoline Benzene Toluene benzene Xylenes MtBE 8260A 8260A 8260A 8260A 8260A 8260A <br /> Number Sampled (ft,MSL) (ft,TOC) (ft,MSL) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> MW-5 2/15/2001 4361 20 88 2273 <50 0 <0 500 <0 500 <0 500 <0 500 <2 5/<2 0 <200 <2 0 <2 0 <2 0 <2 0 <2 0 <br /> MW 6 2/15/2001 4365 2092 2273 <500 <5 000 <5 000 <5 000 <5 000 1260/1760 <200 <2 0 <2 0 479 <2 0 <2 0 <br /> MW-7 2/15/2001 4306 2025 2281 <50 0 <0 500 <0 500 <0 500 <0 500 <2 5/<2 0 <200 <2 0 <2 0 <20 <2 0 <2 0 <br /> MW-8 2/15/2001 4341 2042 2299 <50 0 <0 500 <0 500 <0 500 <0 500 <2 5/<2 0 <200 <2 0 <20 <2 0 <20 <2 0 <br /> MW 9 2/15/2001 4369 2080 2289 <50 0 <0 500 <0 500 <0 500 <0 500 <2 5/<2 0 <200 <2 0 <20 <20 <20 <2 0 <br /> MW-10 2/15/2001 4209 1902 2307 <50 0 <0 500 <0 500 <0 500 <0 500 <2 5/<2 0 <200 <2 0 <2 0 <20 <20 <2 0 <br /> (ft,TOC)=feet above top of casing <br /> (ft,MSL)=feet above mean sea level <br /> TPH=Total Petroleum Hydrocarbons <br /> MtBE=Methyl tertiary Butyl Ether <br /> TBA=Tertiary butyl alcohol <br /> DIPE=Di isopropyl ether <br /> ETBE=Ethyl tertiary butyl ether <br /> TAME=Tertiary amyl methyl ether <br /> 1,2-DCA=1,2-Dichloroethane <br /> EDB=Ethylene dibromide <br /> <=Not Detected at or above stated limit <br /> ppb=parts per billion <br /> c2 51<2 0'=Analyzed by EPA Methods 8020/8260A <br />