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'.Mn William H. Crooks <br /> November, 12, 1996 <br /> Page 4 <br /> The City also asserts that the MTBE and DCA in:the shallow aquifer beneath <br /> the Togo's site threaten the City's water supply. There is no evidence to support this claim, <br /> As explained during the:TRC hearing, no hydrocarbons, MTBE or DCA were found in the <br /> two production wells located within 2000 feet of the Togo's site. In addition, there is no <br /> indication that any contaminants in the shallow groundwater aquifer beneath the site can or <br /> will Iaffect significantly deeper groundwater sources tapped by the:City OfLoch. <br /> ;M. CONCLUSION <br /> The Lead Agency and theTRC evaluated the contamination Whi is.likely <br /> associated with the prior station operations at the Togo's site (which operations ended <br /> two decades ago.),and made.a technical, scientifically-based judgment in favor of continued <br /> Passive bioremediation; based on the removal�of the contamination source in 1979,.the <br /> stabilized contaminant levels, the performance of remedial work in the,1990'.s the�.significant <br /> separation of the soil contamination.from both the underlying shallow aquifer and the <br /> surface,:and the.consequent lack of risk to human health, the environment or beneficial uses <br /> The MTBE in groundwater cannot have originated from the:To st <br /> go si e, and <br /> there:;ls:.nd evidence that the DCA originated there. Moreover, DT "':s OMt maps of the <br /> 'Lodi solvent:plumes show the plumes extending to and beyond the'l'ogo's sitei. 'These <br /> .. <br /> plumesamfarto. <br /> mo be.:thesource of the DCA beneath the To 'S site(DCA is..a <br /> breakdown product:Of solvents such.as PCE), as is the station across:Wtsti-O&Avenue. <br /> Asa-result, the closure of the Togo's site should have no affectwhatsoever <br /> either on the:set.d.ement of the`City dl,". ,:solvent plume matter, orpotheR <br /> . W CB's <br /> actions:M4 ItspObse.to the Lead A4tftOy and TRC decisions to close <br /> . the. Togo's site. <br /> respectfully request that;your agency concur the judgment of theLead00 <br /> and Its <br /> Technical Review Committm. <br /> Very y'yours, <br /> Davi E. M s r <br /> cc: Michael Infuma Jr. <br /> Margaret Lagorio <br /> Steven H. Goldberg; 94. <br /> Michael V,...8Irady- .,.Esq- <br />