ARCHIVED REPORTS_DRAFT ENVIRONMENTAL IMPACT REPORT

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IMPACT Hazards and Hazardous Materials—Interference with an Adopted Emergency Response Plan or 4.6-3 Emergency Evacuation Plan. The Manteca WQCF has a Hazardous Materials Management Plan in place and implementation of this plan would continue with proposed project implementation.Also, the proposed project would not interfere with implementation of an adopted emergency response plan or emergency evacuation plan, and project contractors would be required to prepare a Construction Traffic Management Plan. Therefore, emergency response plan or emergency evacuation plan impacts would be less than significant. The HMMP was developed pursuant to guidelines provided by SJCOES. The plan provides instructions for reporting emergency events and notifying key response personnel and authorities in the event of a release, and methods to be used to mitigate a release, including spill containment, cleanup, and sources of technical advice. The project would not result in the construction of any permanent structures that would restrict emergency access to the WQCF,nor would construction result in the permanent blockage of any public roadways. The proposed WQCF improvements would not obstruct project area roadways, and standard construction practices would be employed to ensure that emergency access is provided at all times. Pipeline and pumping station construction could temporarily partially obstruct project area roadways,which could increase response times for emergency vehicles(see Section 4.11,"Transportation and Circulation"). However, project contractors would be required to prepare a Construction Traffic Management Plan and submit the plan to the City of Manteca Public Works Department for review and approval. The plan would identify the timing of construction and the timing of elements that would result in the full or partial blockage of local roadways,and specify the measures that would be implemented to minimize traffic-related impacts. Because the Manteca WQCF has an HMMP, implementation of the HMMP would continue with WQCF expansion, and the Manteca WQCF and Collection System Master Plans Update Project would not permanently interfere with emergency evacuation routes or emergency response plans,this impact would be less than significant. IMPACT Hazards and Hazardous Materials—Potential Wildfire Hazard. The project area is not located in a 4.6-4 designated wildland fire area or a High Fire Hazard Severity Zone. Therefore, the project would not expose people or structures to significant risk of loss or injury involving wildland fires. This impact would be less than significant. The California Department of Forestry and Fire Protection identify wildland fire areas and Very High Fire Hazard Severity Zones for all counties in California.None of these areas or zones are located in or near the City of Manteca(California Resources Agency 2003). In addition,the project area is located within and adjacent to established urban areas. Therefore,the project would not expose people or structures to significant risk of loss of injury involving wildland fires. This impact would be less than significant. 4.6.4 MITIGATION MEASURES No mitigation measures are necessary for the following less-than-significant impacts: 4.6-1. Creation of a Significant Hazard to the Public or the Environment. 4.6-2. Emission or Handling of Hazardous Materials or Waste Near a School. 4.6-3. Interference with an Adopted Emergency Response Plan or Emergency Evacuation Plan 4.6-4. Potential Wildfire Hazard. Manteca WQCF and Collection System Master Plans EIR EDAW City of Manteca 4.6-13 Hazards and Hazardous Materials