2011-022 - Addendum to the FInal Environmental Impact Report No. 2004-02

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II. Agricultural Resources a) Would the project convert Prime Farmland, Unique Farmland or Farmland of Statewide Importance (Farmland), as shown on the maps prepared pursuant to the Farmland Mapping and Monitoring Program of the California Resources Agency, to non - agricultural use? b) Would the project conflict with existing zoning for agricultural use, or a Williamson Contract? c) Would the project involve other changes in the existing environment which, due to their location or nature, could result in conversion of Farmland to non - agricultural use? The FEIR Initial Study determined that, because the project site did not include agricultural resources or conflict with zoning for agricultural uses, no impact would occur and no further analysis was required. The project is located in a substantially built -out area of Santa Ana. No new or more severe impacts will occur, and the FEIR remains adequate and complete. III. Air Quality The Air Quality analysis in the FEIR was based on CEQA Guidelines thresholds. An updated Air Quality Assessment (Air Quality Assessment) dated January 27, 2011 was prepared by KPC Environmental, Inc. The analysis focused on the addition of the parking garage structure, which was not part of the original project design, and an increase in residential units from 276 to 300. The Air Quality Assessment in its entirety is included herein as Appendix A. Since the certification of the FEIR, additional legislation requires the analysis of potential greenhouse gas (GHG) impacts due to development. Greenhouse Gas Emissions are discussed in Section VII below. The Air Quality Assessment was based on the South Coast Air Quality Management District (SCAQMD) CEQA Air Quality Handbook, the California Air Resources Board (GARB) Preliminary Draft Report on Recommended Approaches for Setting Interim Significance Thresholds for GHG under CEQA, the Bay Area AQMD GHG Plan Level Quantification Guidance, and accepted environmental practices. Modeling programs included Urban Emissions Model (URBEMIS 2007, 9.2.4); emissions inventory program, EMFAC; and dispersion model CALINE 4. The emissions estimates reported represented a "worst- case" scenario because they incorporate the assumption that construction activities occur at the peak daily levels throughout the entire construction period. The project is located in the South Coast Air Basin (SCAB), which is anon- attainment area for ozone, PMIO, and PM2,5 particulates. The 2007 Air Quality Management Plan (AQMP), developed by the SCAQMD and SCAB, provides an outline to achieve reductions in emissions while increasing air quality within the SCAB. The following table depicts the current criteria pollutant attainment status in the SCAB. Regional Criteria Pollutant Attainment Status SCAB Pollutant State Federal Ozone Extreme Non- attainment Non- attainment PM10 Serious Non- attainment Non- attainment PM2.5 Non- attainment Non - attainment sox Attainment Attainment Co Attainment Attainment Nox Attainment Attainment Lead Attainment Attainment Other (e.g., vinyl chloride, hydrogen sulfide) Unclassified or Attainment Unclassified or Attainment MacArthur Place South EIR — 2011 Addendum 20