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at the Site from the Geologic Hazard and Geotechnical Engineering Report dated June <br /> 29, 2006 report by Wallace Kuhl &Associates titled found groundwater at 37 feet bgs. <br /> Groundwater is not expected to be used at the Site. <br /> 5.0 RECORDS REVIEW <br /> In preparing this report Aperio Inc. has engaged the services of Environmental Data <br /> Resources, Inc. (EDR) of Southport, Connecticut. EDR provided Aperio Inc. with a list <br /> and profile of the recorded sites within the study area that have been identified by the <br /> regulatory agencies. <br /> The EDR report includes information from several additional data sources beyond those <br /> discussed below, which exceed the scope of work of this report. Details of these sources <br /> are included in the EDR report in the appendices. Although these additional sources are <br /> not discussed in detail below, these additional sources were reviewed, and any findings of <br /> significance are reported in the database search results section of this report. <br /> Included in the EDR governmental database search report is a list of "orphan sites." <br /> These sites were not depicted on the EDR radius map of identified sites. Aperio Inc. <br /> reviewed the "orphan sites" list for properties that may be located within the search radius <br /> specified for each governmental database; all such sites have been included in the body of <br /> this report. <br /> 5.1 Review of Federal Regulatory Agency Databases <br /> The following federal agency databases have been reviewed: <br /> • National Priorities List (NPL) <br /> • Proposed NPL <br /> • Delisted NPL <br /> • Comprehensive Environmental Response, Compensation, Liability and <br /> Information System (CERCIS) <br /> • CERCLIS No Further Remedial Action Planned (NFRAP) <br /> • Corrective Action Report (CORRACTS) <br /> • Resource Conservation and Recovery Act(RCRA) Information <br /> • US Sites with Engineering Controls Sites List(US ENG CONTROLS) <br /> • US Sites with Institutional Controls (US INST CONTROLS) <br /> • Department of Defense Sites (DOD) <br /> • Formerly Used Defense Sites (FUDS) <br /> • Brownfield Sites (US BROWNFIELDS) <br /> • Superfund (CERCLA) Consent Decrees (CONSENT) <br /> • Records of Decision (ROD) <br /> • Uranium Mill Tailings Sites (UMTRA) <br /> • Open Dump Inventory (ODI) <br /> • Mines Master Index File (MINES) <br /> Phase I Environmental Site Assessment <br /> Proposed Podesta Ranch Elementary School <br /> December 5,2006 <br /> Page 8 of 8 <br />