Item 32 - EIR No. 2020-03 and GPA No.2020-06 Santa Ana General Plan Update

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Mitigation Measures Refer to Mitigation Measure AQ-2, above. Finding Finding 3. Changes or alterations have been required in, or incorporated into, the GPU that avoid or substantially lessen the significant environmental effect as identified in the PEIR. These changes are identified in the form of the mitigation measure above. The City of Santa Ana hereby finds that implementation of the mitigation measure is feasible, and the measure is therefore adopted. The City finds that there are no other mitigation measures that are feasible, taking into consideration specific economic, legal, social, technological or other factors, that would mitigate this impact to a less-than-significant level, and further, that specific economic, legal, social, technological, or other considerations, including considerations for the provision of employment opportunities for highly trained workers, make infeasible the alternatives identified in the PEIR, as discussed in Section G of these Findings (Public Resources Code§§21081(a)(1), (3); Guidelines §§ 15091(a)(1), (3)). As described in the Statement of Overriding Considerations, the City has determined that this impact is acceptable because specific overriding economic, legal, social, technological, or other benefits, including regionwide or statewide environmental benefits, of the GPU outweigh its significant effects on the environment. Impact 5.2-4: Operation of industrial and warehousing land uses accommodated under the General Plan Update could expose sensitive receptors to substantial toxic air contaminant concentrations. Support for this environmental impact conclusion is fully discussed in Section 5.2, Air Quality, starting on page 5.2-50 of the Updated Draft PEIR. Buildout of the GPU could expose sensitive receptors to substantial concentrations of toxic air contaminants JAC). Buildout could result in new sources of criteria air pollutant emissions and/or TACs near existing or planned sensitive receptors. Review of development projects by South Coast AQMD for permitted sources of air toxics (e.g., industrial facilities, dry cleaners, and gasoline dispensing facilities) would ensure that health risks are minimized. Additionally, Mitigation Measure AQ-3 would ensure mobile sources of TACs not covered under South Coast AQMD permits are considered during subsequent, project-level environmental review by the City of Santa Ana. Individual development projects would be required to achieve the incremental risk thresholds established by South Coast AQMD, and TACs would be less than significant. However, implementation of the GPU would generate TACs that could contribute to elevated levels in the air basin. Though individual projects would achieve the project-level risk threshold of 10 per million, they would nonetheless contribute to the higher levels of risk in the SoCAB. Therefore, the CPU's cumulative contribution to health risk is significant and unavoidable. Santa Ana General Plan Update CE 5T ac an Statement 32 — 65 2 Of ri ing onsiderations -42- 61 /Rer�0 2 1