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because it believes that given present technology and resources, this is the lowest level to which water systems can reasonably be required to remove this contaminant should it occur in drinking water. The Maximum Contaminant Level Goal (MCLG) for DBCP is zero. 7.0 GOVERNMENT AGENCY RESEARCH 7.1 EPA Databases The California Environmental Protection Agency (EPA) manages contaminated sites through two sub -agencies: the State Water Resources Control Board (SWRCB) and the Department of Toxic Substances Control (DTSC). The SWRCB's GeoTracker database includes underground storage tank (UST) sites, leaking underground storage tank (LUST) sites, cleanup program sites, and land disposal sites. The database can be searched by reviewing two lists, the Permitted Underground Storage Tank (UST) Sites list and the Cleanup Sites list. DTSC's EnviroStor database includes Federal Superfund sites, State response sites, voluntary cleanup sites, school cleanup sites, corrective action sites, and permitted hazardous waste facilities. Live Oak searched both databases on December 13, 2021 for any listed sites within one-quarter mile of the Site. The subject Site was not listed on either database, and no listed facilities were identified within one-quarter mile. 7.2 Environmental Health Department Databases Live Oak reviewed the San Joaquin County Environmental Health Department's Cleanup, Hazardous Materials, Hazardous Waste Generators, Underground Storage Tanks, Aboveground Storage Tanks, and Complaints databases, dated April 2021, for facilities of concern within one-quarter mile of the Site. The Site address was not included on the databases. The following four facilities were identified within the search radius: • Delu Vineyards, Jr., 15535 N. DeVries, Hazardous Materials, Hazardous Waste Generators, Aboveground Storage Tanks lists, adjacent to the southwest. Live Oak reviewed records on file at the San Joaquin County Environmental Health Department. An Agricultural Hazardous Materials Inventory lists paraquat, copper sulfate, pesticide poisons, sulfur, diesel, gasoline, waste oil, acetylene, argon, and oxygen as stored at this facility. This facility was permitted as a small quantity hazardous waste generator from 2009 through 2014. An Aboveground Petroleum Storage Program Survey from 2009 lists a 1,000 -gallon gasoline tank, a 1,000 -gallon diesel tank, a 2,500 -gallon red diesel tank, 55 gallons of hydraulic oil, 55 gallons of solvent, and 250 gallons of waste oil stored at this facility. The structure LOGE 2123 6