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7,2 Environmental Health Department Databases Live Oak reviewed two databases maintained by the EHD, the Underground Storage Tank Site Mitigation List, dated May 7, 2010, and the Unit IV Sites (LOP) fist, dated May 2010, 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). Three nearbywells were identified at addresses located within approximately 0.75 miles of the pp Y Site. Two of the wells had been tested for DBCP; it was not detected in either well. Nitrate as NO3 was detected in all three wells at concentrations of 18 to 31 parts per million (ppm). The Maximum Contaminant Level (MCL) set by the US EPA for nitrate as NO3 is 45 ppm. 7.3 Office of Ememencv Services Databases The San Joaquin County Office of Emergency Services (OES) Hazardous Materials Management Program (HMMP) Compliance Website was searched on April 14, 2011. An Agricultural Hazardous Materials Inventory was identified for the Site address under the name of C&A Navarra Ranch Inc.; the inventory was not accessible due to security restrictions. Michelle Halliwell of the OES was interviewed by telephone on April 28, 2011. She indicated at this time that one hazardous materials incident report is on file in the OES database for the Site address. An additional six incident reports which appear to be on or adjacent to the Site were identified as well. The incidents are listed by date as follows: • West side of Koster Road one-quarter mile south of Highway 132 Rd., 2001. Drug lab waste was set on fire on the side of the road. Cleanup was funded by DTSC. • Highway 132 east of Koster Road, 2005. Activated charcoal (20 pounds) dumped; CalTrans was to remove the material. • Highway 132 at Koster Road, 2006. Abandoned methamphetamine lab material was found; CalTrans and DTSC were contacted. • Highway 132 east of Koster Road, May 2008. Abandoned methamphetamine lab material was found; the incident was referred to DTSC. The incident report stated that there was "no release" of hazardous materials. IN 34770 South Koster Road (Parcel -01 of subject Site), October 2008. Abandoned methamphetamine lab material was found in the orchard, it had been burned. The incident report stated that there was "no release" of hazardous materials. The debris was removed by a DTSC contractor. LOGE 1117 Page 7