2018-075 - Final Subsequent Environmental IMpact Report No. 2018-15

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City of Santa Ana Impact Statement Impact Summary Findings Impact 4.2-2: Implementation of the proposed project has the potential to cause a substantial adverse change in the significance of an archaeological resource pursuant to Section 15064.5 of the State CEQA Guidelines, and this would be considered a significant impact. Impact 4.2-3: Implementation of the proposed project has the potential to directly or indirectly destroy a unique paleontological resource or site or a unique geologic feature, and this would be considered a significant impact. The MEMU Overlay Zone expansion area appears to have low prehistoric or historic archaeological resource sensitivity, though it is possible that deeper cultural deposits could be present below surface sediments. Therefore, construction activities at the project level have potential to cause a substantial adverse change in the significance of an archaeological resource within the expansion area. With implementation of mitigation impacts would be reduced to less than significant. Ground -disturbing construction activities that reach deeper, older Quaternary sediments with potential Pleistocene deposits do have the potential to result in direct or indirect destruction of a unique paleontological resource. However, with implementation of mitigation impacts would be reduced to less than significant. 2. CEQA Findings Finding 1. Changes or alterations have been required in, or incorporated into the project which avoid, substantially lessen, or reduce the magnitude of the significant environmental effect. Mitigation measures MM -OZ 4.4-2 and MM -OZ 4.4-3 from the MEMU EIR would require a qualified archaeologist would be retained to monitor any significant ground -disturbing activities and be notified in the event archaeological resources are unearthed during project subsurface activities. Implementation of these measures would ensure that any impacts on the significance of an archaeological resource within the MEMU Overlay Zone expansion area would be reduced to less than significant. Finding 1. Changes or alterations have been required in, or incorporated into the project which avoid, substantially lessen, or reduce the magnitude of the significant environmental effect. Implementation of mitigation measure MM -CUL -1, which has been developed to supersede MM -OZ 4.4-4 from the MEMU EIR, would require a qualified paleontologist review the paleontological records search and ensure that potential impacts on paleontological •resources from implementation of the proposed project would be less than significant. Impact 4.2-4: Construction Implementation of the proposed Finding 1. Changes or alterations have been required in, or incorporated activities under the proposed project could involve project- into the project which avoid, substantially lessen, or reduce the magnitude project could result in the level ground -disturbing of the significant environmental effect. disturbance of human remains construction activities with the interred outside of formal potential to result in the Mitigation measure MM -OZ 4.4-5 from the MEMU EIR states that if human cemeteries. disturbance of human remains remains are unearthed, State Health and Safety Code Section 7050.5 interred outside of formal requires that no further disturbance shall occur until the County Corner has cemeteries. However, with made the necessary findings as to origin and disposition pursuant to PRC implementation of mitigation 5097.98. Implementation of this mitigation measure would ensure that any Metro East Mixed -Use Overlay District Expansion and Elan August 2018 Development Projects 2-4 ICF 19.18 Findings of Fact/Statement of Overriding Considerations