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Proposal to Prepare an OR and Provide Planning Consulting Services for the First and Fourth Street Corridors Mixed -Use Overlav Zone associated with the construction and operation of the proposed project. All technical information will be referenced with proper citations, including source and date. Hazards and Hazardous Materials The mixed-use overlay zone would convert the designated land use of a large area of the City from office, commercial, industrial, and residential (and public uses) to mixed-use development. Forthe most part, potential hazards associated with locating such uses in proximity to each other can be addressed through compliance with existing laws and regulations. The hazardous materials section of the EIR will evaluate the exposure of people and property to short-term (construction -related) and long-term (existing and operational) hazardous and toxic materials, such as fuel leakage from construction equipment, the exposure of people or property to existing levels of hazardous materials in the soil or groundwater, and the operational use of hazardous materials. The EIR will describe predicted past uses of contaminants and the status of known contamination based on the results of any environmental site assessments done for the MU zone. If no environmental site assessment has been completed, the EIR will provide a discussion of the likely uses of contaminants on various portions of the site. The EIR will describe planned facilities in the project vicinity that could create hazards for existing or future residents, including public uses. The EIR will provide a summary review of regulatory controls pertaining to hazardous materials management, including federal, state, and local laws and regulations associated with hazardous waste management and site cleanup. This information will include, but will not be limited to, hazardous materials transportation routes, local hazardous materials incidents emergency response services, and local regulations and ordinances pertaining to the types of hazardous materials that may be used or stored during construction or operation of the proposed project. The impact analysis will include a review of the types of land uses and activities that would be allowed under the proposed project and will qualitatively evaluate potential effects associated with the development of the project sites, including the use, storage, or disposal of hazardous materials. The EIR will recommend appropriate mitigation measures for any significant impacts that are identified. It is assumed that all construction and operation activities would be performed in compliance with all applicable federal, state, and local laws and regulations pertaining to hazardous materials management. Hydrology and Water Quality Because the project site is currently developed and mostly impermeable, and will remain developed following construction of the proposed project, it is anticipated that impacts to surface hydrology and water quality will be minimal. A description of existing water quality conditions will be compiled based on existing studies or inquiries to local agencies. The analysis will address potential changes in surface water and groundwater quality as a result of site development and increased runoff at a broad, qualitative level. EIP will discuss the applicability of relevant water quality regulations to reduce potential effects. These requirements would include, but would not be limited to, the National Pollution Discharge Elimination System (NPDES) permit requirements for construction, local erosion and sedimentation control requirements, and NPDES Phase 2 permits for small municipalities. The State Water Resources Control Board was required to issue general permits for Phase 2 to regulate jurisdictions by December 2002. IL