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RECEIVED <br /> Ca t/EPA NOV o 6 1996 <br /> November 4, 1996 ENVIRONMENTAL HEATH. <br /> Department pf Pere Wilson <br /> Toxic Substances PERMIT/ SERVICES Governor <br /> Contort <br /> 400P Street, Mr. .Al Enderud (J-62)62} !arms M. Stroeksecretaryf©r <br /> *h Floor Federal I3eposit Insurance Corporation Pnvimnmeenral <br /> P.O. Box 806 4 Park Plaza, Suite 1.000 Pmtection <br /> Sacramento, CA Irvine, California:926141 <br /> 95812-006 <br /> RE Soil and Groundwater. Contamination at the Former Tirxacca Service Station,. <br /> :Lodi,:California.. <br /> Dear Mr. Enderud <br /> The Department of Toxic Substances Control (DTSC) has identified significant <br /> soil and/or groundwater cor taxriznat on beneath the former Texaco gas station located <br /> at 305 South Hutchins Street, Lodi. (Site). Federal law Bolds all of the following; <br /> parties responsible: (1) operators of the disposal system, (2) owners of the property; <br /> (3) owners of the disposal system; and (4) all successor owners. Accordingly, the Site; <br /> owners and previous operator, Federal Deposit Insurance Corporation (FDIC); Ms.. <br /> Dolores :Staudenraus, Texaco Refining and Marketing Incorporated (Texaco),have <br /> been identified;as the responsible parties for the contamination found at the Site. <br /> The Site has undergone investigation and remediation for the total petroleum <br /> hydrocarbon (TPH) contamination problems which was overseen by San Joaquin <br /> County: Sind 1991, five monitoring wells have been installed to monitor <br /> groundwater quality at and adjacent to the Site. In addition to TPH, other volatile <br /> organic compounds (VOCs) including Methyl tertiary butyl ether (MTBE), <br /> 1,2-dichloroethane (1,2-DCA), tetrachloroethene (PCE), trichloroethene(TCE) were <br /> also detected at;the Site. The VOCs detected are hazardous substances-. The <br /> State of California (State) maximum contamination levels for PCE and TCE in <br /> drinking water is 5 microgram per liter (ug/1), and 0.5 ug/l for 1,2-DCA. Groundwater <br /> is the sole drinking water source for the City of Lodi. PCE as high as 42 ug/l, TCE <br /> as high as 5 ug/l, and 1,2-DCA as high as 86 ug/1 were found in the monitoring wells <br /> located onsite. PCE and TCE are suspected human carcinogens and 1,2-DCA is a <br /> confirmed human carcinogen. <br /> State and Federal law requires that the responsible parties investigate and: <br /> remediate contaminated soil and groundwater. DTSC is concerned that if these <br /> hazardous substances are not remediated the soil and groundwater contamination will: <br /> threaten the City of Lodi's drinking water supply . The City of Lodi.drinking water <br /> well (CW) number 3R is located less than 500 feet upgradient from the Site, and CW <br /> number 1.2 is located..less than one mile downgradient from the Site. <br /> �r�i <br />