Item 28 - Public Hearing - ZOA No. 20204-01 South Coast Technology Center

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South Coast Technology Center Project CEQA Exemption 15183 can be reasonably inferred that CO hotspots would not be experienced at any locations near the Project Site as the Project would not result in increase in daily trips compared to existing conditions. Therefore, similar to the analysis in GPU PEIR, impacts related to CO hotspots would be less than significant. Impact Summary In conclusion, both construction and operational localized air quality impacts resulting from the proposed Project would be less than significant and would be less than the impacts disclosed in the GPU PEIR, which were determined to be significant and unavoidable despite inclusion of mitigation. As such, no new project -specific mitigation measures are required. OBJECTIONABLE ODORS Construction activities associated with the Project may generate detectable odors from heavy- duty equipment exhaust and architectural coatings. However, construction -related odors would be short-term in nature and cease upon Project completion. In addition, the Project would be required to comply with the California Code of Regulations, Title 13, Sections 2449(d)(3) and 2485, which minimizes the idling time of construction equipment either by shutting it off when not in use or by reducing the time of idling to no more than five minutes (RR AQ-2). This would further reduce the detectable odors from heavy-duty equipment exhaust. The Project would also comply with the SCAQMD Rule 1113, which would minimize odor impacts from ROG emissions during architectural coating (RR AQ-3). Any impacts to existing adjacent land uses would be short-term. Land uses associated with odor complaints typically include agricultural uses, wastewater treatment plants, food processing plants, chemical plants, composting, refineries, landfills, dairies, and fiberglass molding. The proposed Project involves the construction of three new Class A industrial buildings for office, manufacturing, and/or warehouse use. As such, the operation of the Project would not involve land uses typically associated with odor complaints. In relation to truck operations, the proposed Project would be required to comply with the California Code of Regulations, Title 13, Sections 2485(C)(1) which limits the idling time of trucks to no more than five minutes and would further minimize emissions and possible odors. As discussed above, Project adherence with SCAQMD Rule 402 would minimize any discharge of contaminants that could be detrimental or would cause a nuisance. In conclusion, project -related construction and operational impacts pertaining to other air emissions (such as those leading to odors) would be less than significant, and would be the same as impacts disclosed in the GPU PEIR, which were also determined to be less than significant. As such, no new project -specific mitigation measures are required. 4.3.3 Conclusion Overall, the Project is consistent with the General Plan Update. With implementation of RR AQ-1 though RR AQ-3 identified in the GPU PEIR, the proposed Project would not have any specific effects which are peculiar to the Project or the Project Site. There are no project -specific impacts or potentially significant off -site or cumulative impacts that the GPU PEIR did not analyze, and there are no new significant or substantially more severe air quality impacts than anticipated by the GPU PEIR. July 2024 Page 31