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U Mr. Chester Hurst February 15, 2005 Page 3 of 5 The property is currently vacant. Mr. Hurst plans to construct two single-family residences, one on (l 2) each parcel, once the property is split into two separate parcels. 3.0 IDENTIFICATION OF PAST AND CURRENT SOURCES OF CONTAMINATION 3.1 Research Methods This assessment was performed utilizing methods and procedures consistent with good commercial or customary practices designed to conform to acceptable industry standards. Joseph Vasquez, under the direction of John Lane, California Registered Site Assessor No. 6305, conducted a site inspection on December 14, 2004. The inspection consisted of an interview with Mr. Chester Hurst,the property owner, as well as a field inspection of the parcel. Mr. Vasquez also conducted a file review at the San Joaquin County Environmental Health Department. A radius map report that maps sites with potential liability or existing environmental liabilities and a historic topographic map report were ordered through Environmental Data Resources, Inc. (EDR). No ` historical fire insurance maps were available for the property. Copies of Historical Topographic Maps Report and the Sanborn Map Report (No Coverage) are included in Attachment 2.1. A copy ` of the Radius Map Report is included in Attachment 3.1. 3.2 Past Potential or Known On-site Sources of Contamination ` Mr. Hurst was asked various questions regarding historic environmental concerns directly related to the property. None were noted. The completed questionnaire is included in Attachment 3.2. Mr. Hurst explained in an interview that the property has been connected to the county sewer line at (3,v .. least since the mid-1960s when he purchased the property. There is no evidence that lead paint was used on the old structure. However, asbestos was found ` during the cleanup of the site. Mr. Hurst explained that asbestos was discovered in the building 63.7.1*0 debris after the fire. Del Tech Environmental (Contractors License # 653022) removed the asbestos from the property in November 2003. A copy of their invoice is included in Attachment 3.3. On December 15, 2004 Mr. Vasquez conducted a file review at the San Joaquin County l3,0;0 Environmental Health Department. No files of concern were noted. L The subject property is not listed on any databases in the Radius-Map report provided by EDR as C3,1 ,2J having had any past environmental concerns. 3.3 Current Potential or Known On-Site Sources of Contamination No structures currently exist on the property. No evidence of surface spilling, underground tanks, above ground tanks, or chemical storage areas were observed during the site reconnaissance. No evidence of an old septic tank or leach field could be seen during the site inspection. No wells were observed on the property. No transformers are located on the property, and the power lines are r. serviced and maintained by Pacific Gas&Electric. I \\GZA FS\VOL_I\DATA\GROUNDZEVHASEI\IimitedphaeI\]fURST.dm V