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5.ENVIRONMENTAL CHECKLIST MOUNTAIN HOUSE NEIGHBORHOODS K AND L INITIAL STUDY 7.HAZARDS School siting criteria with respect to hazardous materials were discussed in Master Plan Section 5.1.4 (Implementation Measures[a]and [b]) (School Siting Criteria). With implementation of these measures, no impacts associated with hazardous materials within one-quarter mile of the proposed schools would occur. d) Would the project be located on a site which is included on a list of hazardous materials sites compiled pursuant to Government Code Section 65962.5 and, as a result, would it create a significant hazard to the public or the environment? The environmental database review did not identify any listed hazardous materials sites within Neighborhoods K and L; however, Neighborhood L is adjacent to three documented releases(Chevron Mountain House Sites Nos. 1, 2, and 3)associated with abandoned crude oil pipelines located beneath Byron Road and the adjacent railroad tracks.As discussed above under Item(b)above, there may be the potential to encounter contaminated soil or groundwater during excavation or grading in close proximity to these pipelines, a potentially significant impact.This impact would be reduced to a less-than-significant level with implementation of Mitigation Measure HAZARDS-1. No additional mitigation is required. e) For a project located within an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project result in a safety hazard for people residing or working in the project area? Neighborhoods K and L are not located within the boundaries of an airport land use plan. The nearest airport is the Byron Airport, approximately 5 miles to the northwest. The Byron Airport does not pose health risks to future residents of Neighborhoods K and L. Therefore, no impacts related to airport safety hazards would occur,and no mitigation measures are necessary. 0 For a project located within the vicinity of a private airstrip, would the project result in a safety hazard for people residing or working in the project area? No private airstrips are located within or near Neighborhoods K and L. No safety impact related to private airstrips would occur. No mitigation measures are �7 necessary. g) Would the project impair implementation of or physically interfere with an adopted emergency response plan or emergency evacuation plan? An Emergency Response Plan(or Incident Action Pian) has been prepared for the Mountain House Community Services District(Security Concepts and Planning,2008). The proposed project would not impair implementation or physically interfere with this plan. No mitigation measures are necessary. �snns} 5-100