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Packet_6.27.22
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Packet_6.27.22
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Cabrillo at First Mixed-Use Residential <br /> Air Quality, Global Climate Change, HRA, and Energy Impact Analysis <br /> i 19386 <br />TABLE OF CONTENTS <br /> <br />EXECUTIVE SUMMARY ................................................................................................................................................... V <br />1. INTRODUCTION ...................................................................................................................................................... 1 <br />Purpose and Objectives ............................................................................................................................................. 1 <br />Project Location ........................................................................................................................................................... 1 <br />Project Description ...................................................................................................................................................... 1 <br />Phasing and Timing ..................................................................................................................................................... 1 <br />Sensitive Receptors in Project Vicinity ................................................................................................................... 2 <br />2. AIR QUALITY ANALYSIS ....................................................................................................................................... 5 <br />Existing Air Quality Conditions ................................................................................................................................. 5 <br />Local Air Quality ............................................................................................................................................... 5 <br />Pollutants ........................................................................................................................................................... 8 <br />Other Pollutants of Concern ...................................................................................................................... 10 <br />Regulatory Setting .................................................................................................................................................... 10 <br />Federal – United States Environmental Protection Agency ................................................................ 11 <br />State – California Air Resources Board .................................................................................................... 11 <br />Regional ........................................................................................................................................................... 12 <br />Local – City of Santa Ana ............................................................................................................................ 17 <br />Monitored Air Quality .............................................................................................................................................. 21 <br />Ozone .............................................................................................................................................................. 21 <br />Carbon Monoxide ......................................................................................................................................... 21 <br />Nitrogen Dioxide ........................................................................................................................................... 21 <br />Particulate Matter ......................................................................................................................................... 21 <br />Air Quality Standards ............................................................................................................................................... 24 <br />Significance Thresholds ............................................................................................................................... 24 <br />Regional Air Quality ...................................................................................................................................... 25 <br />Local Air Quality ............................................................................................................................................ 25 <br />Toxic Air Contaminants ................................................................................................................................ 25 <br />Odor Impacts .................................................................................................................................................. 26 <br />Short-Term Construction Emissions ..................................................................................................................... 28 <br />Methodology .................................................................................................................................................. 28 <br />Construction-Related Regional Impacts ................................................................................................... 29 <br />Construction-Related Local Impacts ......................................................................................................... 29 <br />Construction-Related Human Health Impacts ........................................................................................ 30 <br />Construction-Related Toxic Air Contaminant Impacts ......................................................................... 30 <br />Construction-Related Odor Impacts ......................................................................................................... 30 <br />Long-Term Operational Emissions ........................................................................................................................ 35 <br />Operations-Related Regional Air Quality Impacts.................................................................................. 35 <br />Operations-Related Local Air Quality Impacts ........................................................................................ 36 <br />Operations-Related Human Health Impacts ........................................................................................... 37 <br />Operations-Related Odor Impacts ............................................................................................................ 37 <br />Cumulative Air Quality Impacts ............................................................................................................................. 39 <br />Project Specific Impacts ............................................................................................................................... 39 <br />Air Quality Compliance ................................................................................................................................ 39 <br />3. DIESEL EMISSIONS HEALTH RISK ASSESSMENT ...................................................................................... 41 <br />Estimate of Emissions Factors ............................................................................................................................... 42 <br />Receptor Network .................................................................................................................................................... 42 <br />Dispersion Modeling ................................................................................................................................................ 43 <br />Model Selection ............................................................................................................................................. 43 <br />6/27/2022 <br />Planning Commission 2 –48
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