Item 28 - Public Hearing - Amendment Application for the Village Santa Ana Specific Plan

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5 LESS -THAN -SIGNIFICANT ENVIRONMENTAL EFFECTS WITH MITIGATION INCORPORATED listed under GPU PEIR MM AQ-1 and AQ-2 are either suggested for industrial uses or do not directly reduce operational VOC emissions. Therefore, Project -Specific MM AQ-1 would be implemented to reduce significant impacts related to VOCs during Project operations. Threshold AQ-3: The Project would not expose sensitive receptors to substantial pollutant concentrations with the implementation of mitigation. Findings: The City finds that changes or alterations have been required in, or incorporated into, the Project, which avoid or substantially lessen the significant environmental effect as identified in the Final Supplemental EIR. Specifically, the City finds that GPU PEIR MM AQ-1 (listed above) shall be implemented to reduce potentially significant air quality impacts resulting from the Project. (Draft Supplemental EIR, p. 4.1-39.) Explanation of the Rationale: The rationale and facts supporting the above finding are fully developed in Section 4.1, Air Quality, pages 4.1-42 through 4.1-47 of the Draft Supplemental EIR. The following presents a summary of that rationale: The Project would not expose sensitive receptors to substantial pollutant concentrations, including to significant health risk impacts for residential sensitive receptors during project construction with the implementation of GPU PEIR MM AQ-1. Pursuant to GPU PEIR MM AQ-1, the Project requires use of construction equipment rated by the USEPA as having Tier 4 (model year 2008 or newer) emissions limits, applicable for engines between 50 and 750 horsepower. The total highest calculated carcinogenic risk would be approximately 7.36 in one million and would not exceed the SCAQMD threshold of 10 in one million with the implementation of GPU PEIR MM AQ-1. Therefore, construction activities associated with the Project are not anticipated to result in a significant cancer or other health risk to nearby sensitive receptors, and, as such, the health impacts during construction of the Project would be less than significant with mitigation incorporated. Further, by complying with GPU PEIR MM AQ-1, the Project would reduce construction -related DPM emissions and associated acute risk, and the highest maximum chronic and acute hazard index associated with the mitigated emissions from Project construction at residential sensitive receptors would be 0.136 and 0.918 and would not exceed the 1.0 chronic hazard index for individual significance. Therefore, the Project's chronic and acute hazard index would be less than significant with mitigation incorporated. Cumulative Impacts: The Project would not result in cumulative impacts concerning air quality with the implementation of mitigation. Findings: The City finds that changes or alterations have been required in, or incorporated into, the Project, which avoid or substantially lessen the significant environmental effect as identified in the Final Supplemental EIR. Specifically, the City finds that GPU PEIR MM AQ-1 and Project Specific MM AQ-1 (listed previously) shall be implemented to reduce potentially significant air quality impacts resulting from the Project. (Draft Supplemental EIR, pp. 4.1-39 — 4.1-41.) City of Santa Ana The Village Santa Ana Specific Plan Project August 2025 CEQA Findings of Fact and Statement of Overriding Considerations 5-5