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§ 1.0 INTRODUCTION AND PROPOSED DEVELOPMENT This Surface and Subsurface Contamination Report (SSCR) contains the results of my findings for property located at 523 South Olive Avenue in Stockton, California. This report was prepared exclusively for Mr. &Mrs. Brian and Diana Miller representing the Madeleine G. Lawton Family Limited Partnership, and the San Joaquin County Environmental Health Department (EHD). The purpose of this study was to investigate and identify real or potential surface and subsurface contamination existing within, or around the entire subject property and report the findings to the Client and the Environmental Health Department. According to the San Joaquin County Development Title, a Surface and Subsurface Contamination Report is required at the time of Tentative Map submittal. The San Joaquin County Development Title, Section 9-905.12 (a) states "A Surface and Subsurface Contamination Report shall identify any potential sources of surface and subsurface contamination caused by past or current land uses." The report shall include evaluation of nonpoint sources of hazardous materials including agricultural chemical residues and nitrate concentrations in the underlying groundwater. Potential point sources include fuel tanks, discarded items, past on-site septic systems, agrichemical applications, lead paint, asbestos, and electrical transformers. No chemical analysis was conducted by Chesney Consulting for this investigation, nor was there an inspection and testing of the on-site buildings for asbestos containing materials (ACMs) and lead paint. In addition, the three on-site buildings were inaccessible since they were locked and the Applicant's reside near Reno, Nevada. Interpretation of County Ordinance Section 9-905.12 (a) has been to focus on the subject property exclusively, unless it is documented or observed that an environmental concern in proximity to the subject property could potentially affect said property. This Surface and Subsurface Contamination approaches, but does not encompass the requirements of a Phase I Environmental Site Assessment (ESA) as promulgated by the American Society of Testing and Materials (ASTM E-1527-00). The Environmental Health Department recognizes that the Surface and Subsurface Contamination Report is not intended to completely fulfill the requirements of the Phase I ESA. The Department does however, maintain that certain components of the Phase I ESA must be applicable to the SSCR, as follows: Section 7.1.7 of the ASTM Document states under"Sources of Standard Source Information,"that "information or other record information from government agencies may be obtained directly from appropriate government agencies or from commercial services." Documents found in Appendix D are from the commercial environmental service Rec-Check of the First American Commercial Real Estate Services, Inc. § 1.1 The description of the site is as follows: The property consists of a Single Family Residential (SFR) structure, a detached two car garage and a wooden shed that appears to be built at the same time as the residential structure, which was 1941. Page-2- Chesney Consulting