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sites, voluntary cleanup sites, school cleanup sites, corrective action sites, and permitted hazardous waste facilities. Live Oak searched both databases on January 22, 2022 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. One listed facility was identified within the search radius; the Eugene Schenone property, located at 12441/12505 East Copperopolis (approximately one-quarter mile southeast of the Site) was included on the Hazardous Materials and Aboveground Storage Tanks lists. Based on the nature of these listings and the distance to the Site, this facility is not anticipated to have impacted the Site. Live Oak searched the San Joaquin County Haz Mat Viewer on January 22, 2022 for the Site and nearby facilities with hazardous materials inventories. The Site was not labeled as a hazardous materials handler. One facility was identified within one-quarter mile; the Eugene Schenone property, located at 12441/12505 East Copperopolis, was listed as a hazardous materials handler; no chemical inventory was provided. Live Oak reviewed the San Joaquin County Environmental Health Department's maps of Nitrate - Land Use Data and DBCP - Land Use Data dated February 20, 2019. According to the nitrate map (Plate 5), 16 wells within a one -mile radius of the subject Site have been tested; nitrate was detected in nine of the wells at concentrations between 0.1 and 5.0 mg/L-N, in five of the wells at concentrations between 5.1 and 10.0 mg/L-N, and in one well at a concentration over 10 mg/L-N; no nitrate was detected in the final well. Eight wells within a one -mile radius of the Site were tested for DBCP (Plate 6); DBCP was not detected in any of the wells. The Maximum Contaminant Level (MCL) set by the US EPA for nitrate is 10 mg/L-N; the MCL for DBCP is 0.2 ug/L. 7.3 Agricultural Commissioner's Records Live Oak contacted the San Joaquin County Agricultural Commissioner's Office regarding agricultural use of the site. As of the date of this report, no records have been provided by that agency; it is unlikely that records will exist since the property does not appear to have been farmed. Should pertinent records be provided, Live Oak will prepare an addendum to this report to discuss the findings. LOGE 2207 5