SITE INFORMATION AND CORRESPONDENCE

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Site Information Needed for Oversight Agency Selection, Brownfields Program Page I of 2 California Home 0 • Contact Us I Help I Site Index me .o o* .N , Brownfields Home �— Search California Environmental Protection Agency News !: This Site C My CA Updates Workshops Site Information Needed for Oversight Agency Selection Screening.Values MOA Site information is intended to help determine the appropriate lead agency and to focus future Publications investigation and cleanup activities, if needed. The most helpful site information is that which identifies f_istsery the primary sources of hazardous material releases or discharges as well as exposure pathways of Ombudsperson concern in order to determine the predominant risk-whether to public health or to groundwater or both. Contacts The site information may include existing information and documents normally used during the property transfer and redevelopment process, such as ASTM Phase 1 and Phase II reports, other"due diligence" Cal/EPA Home reports, and elements of DTSC's Preliminary Endangerment Assessment.The applicant may submit all or part of these documents in addition to any other relevant environmental information and data with the attached application form. If the information provided with a Request for Oversight for a Brownfield Site is not sufficient to determine the oversight agency, additional information may be requested. The following are descriptions of the types of site information that are beneficial in determining the appropriate lead agency: Regulatory Activity or History: Specific historic or current regulatory status with DTSC and Water Boards including types of regulatory enforcement actions, orders or agreements or other relevant information including whether listed on the following databases: RCRA, U.S. EPA CERCLIS or RCRIS, DTSC HWMP or CalSites, and/or SWRCB Geotracker or LUFT sites. Include any historic and current regulatory status with the appropriate county or city. Project description: A general description of the nature of the project, including development or redevelopment plans for the site, and the reason for requesting oversight of the assessment or cleanup of the site. The project description should also indicate if the site,or applicant has been the recipient of any grants, loans or other incentives, or whether the site is part of any particular pilot project or study, an element of any smart growth initiative or project, or the recipient of LUST funds. Site History:A history of the site including general dates of current or historic activities, previous owners and operators, types of activities, chemicals used at the site, any permits that may have been issued regarding activities at the site, and the type of activity that is believed to have resulted in a release or potential release of hazardous materials.The history should identify the following: • The type of releases or spills,sources of release and contaminants of concern, including the approximate date and the estimated quantity of each release or spill; • The primary human or environmental resources of concern; and • A description of likely exposure pathways. Site Data:A summary of available site data, including: • An assessment of the leachable and total concentrations of constituents of concern in soil, soil gas,and groundwater, site hydrogeology including area lithology and associated site boring logs, graphics that plot sample results and other data. • A comparison of the site data (including background values)with available screening levels (including Cal/EPA's California Human Health Screening Levels(CHHSLs), USEPA Region IX's Preliminary Remediation Goals(PRGs), San Francisco Regional Board's Environmental Screening Levels(ESLs)or other)for soil and groundwater, and identification of any data gaps http://www.calepa.ca.govBrownfields/MOA/Sitelnfo.htrn 4/21/2006