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Environmental to complete technical studies addressing geotechnical issues. BASELINE will: · Describe the regional and site-specific geologic and seismic conditions for the project, based on review of information prepared for the Downtown Precise Plan and other available technical reports. This would include a description of those areas that may be underlain by serpentine and/or cinnabar- bearing geologic materials; · Identify potential sources of regional earthquakes and describe expected levels of seismic effects within the General PJanarea, including seismic shaking,lateral spreading and earthquake-induced liquefaction. Regional liquefaction hazard area mapping would be reviewed, however site-specific geotechnical investigations, when available, are the preferred tool for determining liquefaction hazards at particular sites; · Describe soil conditions (including erosion hazards and shrink~swell potential) on the basis of Natural Resource Conservation Service (formerly known as the Soil Conservation Service) mapping and other available information; and · Describe existing local policies from the current General Plan and Zoning ordinance that address soils and geology. Hazards - BASELINE Environmental will prepare the hazards discussion. Historiclanduses in Redwood City include a number of uses associated with hazardous materials,including agricultural land uses and electronics manufacturing. These land uses may have potentially left residues of hazardous materials in soils and groundwater that could affect human health and the environment. These hazardous materials could potentially pose a health risk to future residents and workers in the City, who may come into contact with contaminants in soils or volatile contaminants in air that may migrate from the soil and accumulate within buildings. Persons potentially exposed to hazardous materials in the City include "sensitive receptors," populations such as children, the elderly, and the infirm, which are particularly susceptible to health effects from contamination. BASELINE will describe: . Existing hazardous materials issues at the project site .andimmediate vicinity, based on a review of available environmental investigation reports and documentation, including materials collected for the .Downtown Precise Plan. Known active hazardous materials release sites at and adjoining the City would be identified and mapped, based on information from regulatory agency files and databases; · The existing regulatory framework for hazardous materials and hazardous waste, highlighting those regulations and programs that may apply to development of the project; and · local laws and policies, including existing General Plan policies and the Zoning Ordinance. Fire Hazards - Hogle-Ireland will prepare a brief report address wildland fire hazards and fire urban potential (including fires following earthquakes) 'based on published sources and interviews with the City Fire Department. 5.6 Draft Historic Resources Report Team member JRPwill review the standard sources of information that list and identify known and potential historical resources (including any recent DPR forms the City has prepared) to determine the current status of historical resources within the study area. JRP will review NRHP, SCOPE OF SERVICES Redwood City General PI<ln January 11, 2008 Page 16