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• September 1983 permit for new septic system at three-bedroom house (appears <br /> to be additional mobile home to the north). The system utilizes a 1,600-gallon <br /> septic tank, two 100-foot leach lines, and two sumps. (19654) <br /> October 1989 permit for new septic system at new mobile home north of existing <br /> mobile home_ The system utilizes a 1,200-gallon septic tank and three 80-foot <br /> leach lines. (19654) <br /> February 2006 permit for pump replacement at domestic well. <br /> Copies of the permits have been included in Appendix 4 of this report. <br /> .0 GOVERNMENT AGENCY RESEARCH <br /> 7.1 EPA Databases <br /> The California Environmental Protection Agency (EPA) manages contaminated sites <br /> through two sub-agencies: the State Water Resources Control Board (SWRCB) and the <br /> Department of Toxic Substances Control (DTSC). The SWRCB's GeoTracker database <br /> includes underground storage tank (UST) sites, leaking underground storage tank <br /> (LUST) sites, cleanup program sites, and land disposal sites. The database can be <br /> searched by reviewing two lists, the Permitted Underground Storage Tank (UST) Sites <br /> list and the Cleanup Sites list. DTSC's EnviroStor database includes Federal Superfund <br /> sites, State response sites, voluntary cleanup sites, school cleanup sites, corrective <br /> action sites, and permitted hazardous waste facilities. <br /> Live Oak searched both databases on July 29, 2013 for any listed sites within one- <br /> quarter mile of the Site. The subject Site was not listed on either database, and no <br /> listed facilities were identified within one-quarter mire of the Site. <br /> 7.2 Environmental Health Department Databases <br /> Live Oak reviewed the EHD's Underground Storage Tank Site Mitigation List, dated duly <br /> 21 2011 . for surrounding facilities of concern. No listed facilities were identified within <br /> one--quarter mile of the Site. <br /> Live Oak reviewed the EHD's Water Well Data Table dated March 10, 2009 for nearby <br /> addresses that have been tested for nitrate and dibromochloropropane (DBCP). Eight <br /> nearby wells were identified at addresses located within approximately one mile of the <br /> Site All of the wells had been tested for DBCP: it was detected in four of the eight at <br /> concentrations from 0.024 and 0.10 Itg/L. The Maximum Contaminant Level (MCL) set <br /> by the US EPA for DBCP is 0.2 itg/L; however, the MGL Goal (MCLG) is 0 lig/L. Nitrate <br /> as NO:j was detected in all eight wells at concentrations from 10.0 to 89.0 parts per <br /> million (ppm). The MCL for nitrate as NO3 is 45 ppm- <br /> LOGE 1319 Page 5 <br />