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Hacienda Mixed Use Rezoning Initial Study Significance Criteria The impact questions above constitute the significance criteria for this environmental topic. Discussion of Checklist Items Less than Significant Impacts. The proposed project would not expose people to potential health hazards through the routine transport, use, storage or disposal of hazardous materials. Future residents and tenants at the potential neighborhood serving retail establishments due to implementation of the zoning change may use or store relatively small amounts of hazardous materials. During construction on the project sites contractors would use some hazardous materials. Hazards associated with those materials would be reduced to less- than- significant levels by compliance with State and federal transport, storage, and disposal requirements. No additional mitigation is warranted. This issue will be addressed in more detail, including any impacts on nearby schools, in the environmental review documents at the time a development plan is proposed for the project sites. No toxic air contaminant would result from the proposed zone change, and no worse impacts than could occur under the existing zoning of the sites could occur due to project implementation. The issue of toxic air contaminant emissions will be addressed in the environmental review documents at the time a development plan is proposed for the project sites. For example, a dry- cleaning establishment could be proposed on one of the project sites. The actual neighborhood serving retail uses are unknown at this time. No Impacts. Regarding airport hazards, all three sites are located outside both the General Referral Area and the Height Referral Area and the project would have no impact on an airport. The City has adopted a Comprehensive Emergency Management Plan to provide for the safety of the community in the event of a major emergency such as an earthquake, flood, fire, nuclear accident, civil disturbance, or hazardous materials spill. The plan provides the basis for direction and control of emergency operations and contains task assignments for City personnel under emergency conditions.' Any future development resulting from the zone change would be subject to the City's Emergency Operations Plan. The project sites are infill sites in an urban area and are not located close to any wildlands. No wildland fires would impact the area. 6 City of Pleasanton Comprehensive Emergency Management Plan, Revised September 26, 2005 Draft, Subject to Revision 16 8/31/2009