2024-053 - Final Supplemental for The Related Bristol Specific Plan Project

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Paleontological Resources: The geographic area of potential cumulative impacts related to paleontological resources includes areas that are underlain by similar geologic units from the same time period, which includes the Grange County region. A cumulative impact could occur if development projects incrementally result in the loss of the same types of unique paleontological resources. As detailed in the City's GPU FEIR, the City, including the Project site, vary in paleontological sensitivity from low to high sensitivity increasing with depth. However, with incorporation of the GPU FEIR Mitigation Measures GEG-1 through GEG-3 and Project specific Mitigation Measures PALEG-1 through PALED-5, which require paleontological monitoring and provides procedures far fossil recovery which would preserve the quality and integrity of these resources, avoid them when possible, and salvage and preserve them if avoidance is not possible. These measures would reduce the potential for the proposed Project to result in cumulatively considerable impacts to a less than significant level. Therefore, impacts would be less than cumulatively significant. (Draft Supplemental EIR at pp. 5.4-13 through 5.4-14.) H. Greenhouse Gas Emissions The analysis of GHG emission impacts under CEQA contained in the Supplemental EIR effectively constitutes an analysis of a project's contribution to the significant cumulative impact of GHG emissions. State CEQA Guidelines Section 15183.5(b) states that compliance with GHG related plans can support a determination that a project's cumulative effect is not cumulatively considerable. As the proposed Project would be implemented in compliance with applicable plans for the reduction of GHG emissions, detailed previously, the contribution of the proposed Project to significant cumulative GHG impacts would be less than cumulatively considerable. The majority of the proposed Project's GHG emissions are generated by mobile emissions. The TDM program required by Mitigation Measure AQ-3 would reduce GHG emissions from commuting. Also, because the Project site is located within a TPA and a High Quality Transit Area with direct access to transit, bicycle, and pedestrian facilities, it would reduce VMT and the related GHG emissions. Further, the Project proposes a specific plan that would be consistent with the buildout assumptions and applicable development standards of the GPU. Therefore, impacts related to generation of GHG emissions from the proposed Project would be less than cumulatively significant with mitigation incorporated. In addition, because the proposed Project would not result in a conflict with any applicable plan, policy or regulation of an agency adopted for the purpose of reducing the emissions of GHGs, it would not have the potential to cumulatively combine. Therefore, cumulative impacts related to a conflict with a policy for the purpose of reducing GHG emissions would not occur. (Draft Supplemental EIR at pp. 5.5-26 through 5.5-27.) 1. Hazardous and Hazardous Materials The proposed Project's contribution to cumulative impacts to hazards and hazardous was analyzed in context with past and foreseeably future projects in the City of Santa Ana and adjacent areas in Costa Mesa that are similarly affected by hazardous soil conditions, LUST conditions, asphalt contamination, and asbestos and lead containing building materials. Cumulative redevelopment and land use changes within the City would have the potential to expose future area residents, employees, and visitors to chemical hazards through redevelopment of sites and structures that may be contaminated from either historic or ongoing uses. The severity of potential hazards for individual projects would depend upon the location, type, and size of development and the specific hazards