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7.2 Environmental Health De artment Databases On March 4, 2010, Live Oak reviewed two databases maintained by the EHD, the Underground Storage Tank Site Mitigation List, dated February 18, 2009, and the LOP/Non-LOP Sites list, dated November 10, 2009, for surrounding facilities of concern. No listed facilities were found within one-quarter mile of the subject Site. Live Oak reviewed the EHD's Water Well Data Table dated March 10, 2009 for nearby addresses that have been tested for nitrate and dibromochloropropane (DBCP). Five nearby wells were identified at addresses located within approximately one-quarter one mile of.the Site, .Fourof these wells were found to-have non-detectable DBCP; one well found to have DBCP at a concentration of 0.01 parts per billion (ppb). Levels of nitrate as NO3 within these wells ranged from 4.67 to 39.0 parts per million (ppm). The Maximum Contaminant Level (MCL) set by the US EPA for nitrate as NO3 is 45 ppm; the MCL for DBCP is 0.2 ppb. Based on these results, it appears that the wells tested in the area contain nitrate at varying levels, but none in excess of the MCL. The wells tested in the area were not found to have DBCP contamination above the MCL. ✓7.3 Office of Emerg- ency Services Databases The San Joaquin County Office of Emergency Services (OES) website was searched on March 3, 2010 for the subject Site. No records were identified for the Site address. Michelle Halliwell of the OES -was interviewed by telephone on March 3, 2010. She indicated at this time that no hazardous materials incident reports are on file in the OES database for the Site address. ,/7.4 A ricultural Commissioner's Records The San Joaquin County Agricultural Commissioner's Office was contacted regarding any agricultural use of the site. According to Hazel Gallego, no chemical permits, use reports, or violations are on file for the Site under the names of Dixon or Bell (personal communication, February 19, 2010). ✓7,5 Department of Oil Gas and Geothermal Resources Maps The California Department of Oil, Gas, and Geothermal Resources (DOGGR) Online Mapping System (DOMS) was queried on February 21, 2010 for mapped oil or gas wells within one--quarter mile of the subject Site. It appears that one plugged well, "Lgzu D" 201 (API# 07700066), may be located on the west side of the Site or immediately adjacent to the west. Based on review of DOGGR well map 611, the well appears to straddle the line between the Site and the adjacent property to the west; it seems likely that the.road just to the west of the Site was paved to provide access to the well. LOGE1004 Page 5