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General Model Assumptions.......................................................................................................................43 <br />MeteorologicalData.....................................................................................................................................43 <br />Estimationof Health Risks......................................................................................................................................43 <br />CancerRisks................................................................................................................................................... 43 <br />Non -Cancer Risks..........................................................................................................................................45 <br />4. GLOBAL CLIMATE CHANGE ANALYSIS........................................................................................................ <br />57 <br />Existing Greenhouse Gas Environment............................................................................................................... <br />57 <br />WaterVapor................................................................................................................................................... <br />57 <br />CarbonDioxide(CO2)................................................................................................................................... <br />57 <br />Methane(CH4)............................................................................................................................................... <br />58 <br />NitrousOxide(N20).....................................................................................................................................58 <br />Chlorofluorocarbons(CFC)......................................................................................................................... <br />58 <br />Hydrofluorocarbons(HFC).......................................................................................................................... <br />58 <br />Perfluorocarbons(PFC)................................................................................................................................ <br />58 <br />SulfurHexafluoride (SF6)............................................................................................................................. <br />59 <br />Aerosols........................................................................................................................................................... <br />59 <br />GlobalWarming Potential........................................................................................................................... <br />59 <br />Greenhouse Gas Standards and Regulation....................................................................................................... <br />61 <br />International................................................................................................................................................... <br />61 <br />Federal............................................................................................................................................................. <br />61 <br />Stateof California......................................................................................................................................... <br />64 <br />Regional - South Coast Air Quality Management District................................................................... <br />74 <br />Local- City of Santa Ana............................................................................................................................76 <br />SignificanceThresholds........................................................................................................................................... <br />76 <br />Appendix G of State CEQA Guidelines....................................................................................................76 <br />Thresholds of Significance for this Project.............................................................................................. <br />77 <br />Methodology............................................................................................................................................................. <br />77 <br />Project Greenhouse Gas Emissions...................................................................................................................... <br />78 <br />Consistency With Applicable Greenhouse Gas Reduction Plans and Policies ............................................ <br />80 <br />Cumulative Greenhouse Gas Impacts.................................................................................................................. <br />82 <br />5. ENERGYANALYSIS..............................................................................................................................................83 <br />ExistingConditions................................................................................................................................................... <br />83 <br />Overview......................................................................................................................................................... <br />83 <br />Electricity........................................................................................................................................................ <br />84 <br />NaturalGas..................................................................................................................................................... <br />84 <br />Transportation Energy Resources............................................................................................................. <br />85 <br />RegulatoryBackground...........................................................................................................................................85 <br />FederalRegulations...................................................................................................................................... <br />85 <br />StateRegulations........................................................................................................................................... <br />86 <br />Project Energy Demands and Energy Efficiency Measures............................................................................ <br />91 <br />EvaluationCriteria......................................................................................................................................... <br />91 <br />Methodology.................................................................................................................................................. <br />91 <br />ConstructionEnergy Demands..................................................................................................................91 <br />Operational Energy Demands.................................................................................................................... <br />93 <br />Renewable Energy and Energy Efficiency Plan Consistency.......................................................................... <br />94 <br />Conclusions................................................................................................................................................................ <br />95 <br />6. EMISSIONS REDUCTION MEASURES..........................................................................................................105 <br />ConstructionMeasures.........................................................................................................................................105 <br />OperationalMeasures...........................................................................................................................................105 <br />Metro Mixed Use Overlay District MMRP........................................................................................................105 <br />7. REFERENCES........................................................................................................................................................106 <br />Cabrillo at First Mixed Use Residential <br />g3ldJ101 <br />Air Quality, Global Climate Change, HRA, and Energy Impact Analysis <br />ii 19386 <br />