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Attachement E PBS&J Proposal Hazards and Hazardous Materials PBS&J will describe the existing environmental conditions of the project site to determine whether or not the potential exists for workers, the public, or the environment to be exposed to hazardous materials. This evaluation will rely upon any available environmental, geological, and hydrological documents prepared in concert with, and independent of, the proposed project. PBS&J will conduct a survey of existing and potential. hazardous materials sites on and near the project site to provide a benchmark of hazardous sites and businesses (if any) from the California List of Hazardous Materials Release Sites (or Cortese List). PBS&J will present an overview of the federal, state, and local regulations that apply to the transport, storage, use, and disposal of hazardous materials within and adjacent to the project site. If impacts are identified as potentially significant, appropriate mitigation will need to be identified to lessen the level of significance. Hydrology and Water Quality PBS&J understands that drainage conditions may have been altered through prior grading or weed abatement activities and this establishes the baseline conditions. PBS8~J will determine if the proposed project would affect the natural drainage patterns, as they currently exist. With this understanding, PBS&J will further evaluate potential erosion or excessive on- or off-site runoff that could cause siltation or create turbid conditions in local streams or other bodies of water in the vicinity. Additional technical information will be used in combination with any Department of Water Resources publications to determine if the proposed project would have any adverse affects on groundwater elevations in the local groundwater basin. Land Use and Planning PBS&J assumes the current zoning for the entire property is Public Services. Anew pump station and appurtenances would be compatible with this zoning. The City believes the existing pump station site is inadequate to accommodate the new pump station and proposes to acquire additional land in the CalTrans rights-of--way area. This process may require rights-of-way searches, easement verifications, and negotiating with state or local agencies to acquire the necessary easement(s). ~ The land acquisition process could potentially delay the proposed projects; therefore, in the interim PBSBJ's analysis will refer to the City of Pleasanton's existing or updated General Plan, current updates and/or other land -use documents that apply to public facilities within the city limits. 5