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carry hazardous substances,or in one-quarter mile of a facility that produces hazardous emissions or a roadway that produces heavy traffic emissions. This school would be located approximately 1,100 feet from the Lucky J Dairy which may be a source of hazardous emissions or may be a location where large L quantities of hazardous materials are used and stored.Therefore,a significant impact would occur. Mitigation Measure 4.9-4: Public Health and Safety—Locate a School Site in an Area of Potential Hazards. The College Park developers shall have a PEA prepared by a qualified hazardous materials consultant for the school located near the Lucky J Dairy,if required by CDE.The PEA shall be prepared in accordance with CDE and DTSC requirements and shall be reviewed and approved by CDE,DTSC,the San Joaquin " County Community Development Department(SJCCDD),and the Lammersville School District. If these agencies determine,based on the PEA,that the school site does not meet CDE siting requirements,the proposed school shall be developed at a different location within the College Park site, subject to clearance by a new PEA to be funded by the developers.If the new school site is required,the developers shall be responsible for processing the required amendment to the College Park Specific Plan III and obtaining and dedicating the new school site to the school district.The assessment and analysis would be conducted in accordance with CDE requirements and would be under separate CEQA documentation. Implementation of the above mitigation measure would reduce impacts associated with locating a school in an area of potential hazards to a less-than-significant level. IMPACT Public Health and Safety—Exposure to Pipeline Hazards. The proposed project would result in the 4.9-5 development of sensitive land uses in close proximity to existing natural gas and crude oil pipelines, and would expose persons to contamination or explosion hazards associated with the pipelines.A significant impact would occur. The proposed project would not result in the development of schools in close proximity of any pipelines (Figure 3-613).The nearest pipeline to the two proposed K-8 schools is Pipeline L176 which is located approximately 2,400 feet west of the proposed Neighborhood B school and beyond the CDE's 1,500- pipeline risk assessment requirement for schools. A less-than-significant impact would occur. The proposed project would not result in the development of residential uses in close proximity to the �► PG&E natural gas Pipelines LI 62A and L176 near Mountain House Parkway.The closest residential uses to these pipelines would be the medium-density residential(RM)proposed north of Grant Line Road and west of DeAnza Boulevard which would be located approximately 600 feet from Pipeline L176, and separated from the pipeline by proposed limited industrial uses. A less-than-significant impact would occur. The proposed project would result in the development of land uses in close to PG&E natural gas Pipelines L401 and L002,and to the existing Chevron crude oil pipeline CSFM 0499 which together bisect the project site in a 65-foot-wide PG&E-Chevron easement(Figures 3-6B and 4.9-3).An open space corridor is proposed in the easement,and limited industrial and neighborhood commercial uses are proposed adjacent to the easement.Residential uses would also be developed on both sides of the easement,although a setback to residential structures beyond the easement containing the pipelines is proposed.In accordance with MHMP Section 6.13,detailed mapping of the pipelines was undertaken by MacKay&Somps in 2004,and a pipeline risk analysis was prepared by J House Environmental(Appendix K)in 2004 to evaluate the potential contamination and explosion safety hazards posed by these and the other pipelines in the vicinity of the project site. College Park at Mountain House Specific Plan III Draft EIR EDAW San Joaquin County 4.9-33 Public Health and Safety