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

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City of Santa Ana Impact Statement Impact Summary Findings CAP, some after implementation of mitigation measures Hazards' and Hazardous Materials Impact 4.4-2: Construction activities associated with implementation of the proposed project could result in the release of hazardous materials to the environment through reasonably foreseeable upset and accident conditions. Impact 4.4-4: The proposed project area includes sites that are included on a list of hazardous materials sites and, as a result, could create a significant hazard to the public or /environment. Impact 4.4-5: Implementation of the proposed project could interfere with an adopted emergency response plan or emergency evacuation plan. Construction of future development projects proposed in the MEMU Overlay Zone expansion area could pose a hazardous materials exposure risk to future development projects proposed in this area during construction. However, implementation of mitigation would reduce potential impacts to less than significant A Leaking Underground Storage Tank site was identified within the MEMU Overlay Zone expansion area, which could pose an exposure risk to construction personnel. However, implementation of mitigation would reduce potential impacts to less than significant. Development projects in the MEMU Overlay Zone expansion area would not impair implementation of or physically interfere with an adopted emergency response plan or emergency evacuation plan. Large construction vehicles entering and exiting construction sites would be guided by the use of personnel using signs and flags to direct traffic. Adequate 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. Implementation of mitigation measures MM -OZ 4.6-2 and MM -OZ 4.6-3 from the MEMU EIR would require preparation of a preliminary environmental site assessment and address potential exposure impacts associated with previously unidentified contamination for future development projects in the MEMU Overlay Zone expansion area thereby reducing the potential impact from accidental release and exposure to hazardous materials to less that 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 -OZ 4.6-2 from the MEMU EIR would require preparation of a preliminary environmental site assessment and subsequent investigation and reduce potential impacts 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. Adequate emergency access to the project area and surroundings would be provided through implementation of mitigation measures MM -OZ 4.6-5 and MM -OZ 4.6-6 during construction. Moreover, the City's Emergency Preparedness Plan would be updated as required by MEMU EIR mitigation measure MM -OZ 4.6-7 and would be implemented to address the potential for accidental release of hazardous materials during project operations. Therefore, impacts resulting from the proposed project would be less than significant. Metro East Mixed -Use Overlay, District Expansion and Elan August 2018 Development Projects 2-6 ICF 19.18 Findings of Fact/Statement of Overriding Considerations