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City of Santa Ana On -Call Environmental Review Services for Housing Division purposes of this scope of work that no archaeological survey would be required, although Rincon can provide this service as needed • A direct cost of approximately $500 for most record search fees C.3 Hazards/Site Assessment Rincon has provided environmental services, such as Phase I ESA, Phase II ESA, and hazardous materials services for the City of Santa Ana since 2000. Between 2000 and 2015, Rincon prepared over 50 documents that included either Phase I ESA, or asbestos -containing materials (ACM) and LBP surveys. C.3.1 Phase 1 Environmental Site Assessments Phase I ESAs are used to determine current and historical site uses, are useful tools to identify the likely presence of contaminants at a site, and are recommended to meet due diligence standards for property acquisition. While Phase I ESAs are typically prepared to meet ASTM standards, not all Phase I ESAs provide equal value. Rincon tailors a Phase 1 ESA to meet client and project specific needs, and ensures that the most relevant information is clearly described and easily accessible. For this contract, Rincon will perform Phase I ESAs in accordance with ASTM E1527-13, Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process, but using strategic approaches tailored to meeting the City's needs. Phase I ESAs will be performed by support staff under the supervision or responsible charge of a qualified Environmental Professional as defined in ASTM E1527-13. The scope of work for a Phase I ESAs is detailed in ASTM E1527-13 and consists of four tasks: Records Review, Site Reconnaissance, Interviews, and Report. • Record Review. A records review will be conducted to help identify potential environmental liabilities associated with current and past uses of the project site. The review will include both environmental information and historical use information readily available in public records and the records maintained by the City, as well as performing a computer database records search in accordance with minimum search distances and required database specified in ASTM E1527-13. Environmental agency file reviews will be conducted for unauthorized release sites that fall within a project site, adjacent properties, or nearby properties that would be expected to impact the site. Applicable historical use information will also be assessed by a review of two or more of the following: Sanborn Fire Insurance maps, city directory listings, USGS topographic maps, aerial photographs, and building permit files. In addition, property tax records, chain of title reports, or lien search reports, will be reviewed, if provided by the City. • Site Reconnaissance. Rincon will coordinate with the City to appropriately access a site and conduct a reconnaissance to identify obvious potential environmental liabilities. Immediately adjacent properties (as accessible) will be visually inspected from public thoroughfares. Site use practices that may have impacted the property will be reviewed, including: storage tanks, drums and containers, chemical/waste storage, stained soil and stressed vegetation, drains, sumps, solid waste, and wells. Rincon also provides in-house Unmanned Aircraft System (UAS)/Drone services that can be utilized for large undeveloped or difficult to access areas to capture high resolution aerial imagery that can be reviewed to identify potential environmental liabilities. • Interviews. Rincon will conduct interviews with site owners, or a designated representative of a site owner (as identified by the City), past site owners, and occupants/tenants to obtain additional Information regarding past and present site uses as they may have affected the property. Rincon will m