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*City of Santa Ana ?MMAMMMIII <br />The Database Report will be prepared in general accordance with the ASTM guidance and AAI <br />Final Rule, and will include a review for the following: <br />• Permitted and leaking underground storage tanks. <br />• Hazardous materials storage and waste generation (detailed review for site and <br />adjacent properties only). <br />• Landfills. <br />• "Superfund" sites (state and federal). <br />e Precursor Superfund sites (CAL-sites and CERCLIS listings). <br />• Hazardous waste and substance sites (HWSSL). <br />• Activity use limitations (see Task IV). <br />• Environmental clean-up liens (see Task IV). <br />Regulatory agency personnel will be interviewed and files reviewed, as necessary, to further <br />evaluate possible hazardous materials impacts to the site. In order to complete the assessment, it <br />may be necessary to review regulatory agency or client-provided files (e.g., leaking tanks or <br />releases) for the site or facilities in the immediate site vicinity. Because additional regulatory <br />files or client-provided reports may need to be reviewed, additional time and effort may be <br />required to complete the project. As appropriate, the client will be notified of this possibility as <br />soon as possible. <br />Task 3. Historical and Geologic/Hydrogeologic Information Review <br />To assess possible historical sources of introduction of hazardous materials/wastes to the site, <br />readily available historical and recent aerial photographs will be reviewed. Sources of aerial <br />photographs may include, but are not limited to: <br />• City and County agencies. <br />• US Department of Agriculture. <br />• US Geological Survey (USGS). <br />• Commercial photo banks. <br />• Historical societies. <br />• Any aerial photographs currently owned by the client. <br />In addition to historical aerial photographs, other readily available documents and reports that <br />may have a bearing on historical land uses will be reviewed. Such documents may include, but <br />are not limited to: <br />• Historical USGS topographic maps. <br />• Historical Sanborn fire insurance maps. <br />16 <br />25C-123