CEQA Air Quality Handbook - Air Pollution Control District

SLO County APCD CEQA Air Quality Handbook 2012
Table of Contents
LIST OF ACRONYMS .......................................................................................................................................... iii
GLOSSARY ........................................................................................................................................................... iv
1 PROJECTS REQUIRING AIR QUALITY REVIEW AND ANALYSIS ................................ 1-2
1.1 ROLE OF THE SLO COUNTY APCD ..................................................................................... 1-2
1.2 PROJECTS SUBJECT TO AIR QUALITY ANALYSIS ......................................................... 1-2
1.3 PROJECT INFORMATION NEEDED FOR SLO COUNTY APCD REVIEW ...................... 1-3
1.4 OPERATIONAL SCREENING CRITERIA FOR PROJECT IMPACTS ................................ 1-3
1.5 PREPARING THE AIR QUALITY ANALYSIS SECTION FOR CEQA DOCUMENTS ..... 1-5
2 ASSESSING AND MITIGATING CONSTRUCTION IMPACTS .......................................... 2-1
2.1 CONSTRUCTION SIGNIFICANCE CRITERIA ..................................................................... 2-1
2.1.1 Special Conditions for Construction Activity ............................................................... 2-3
2.2 METHODS FOR CALCULATING CONSTRUCTION EMISSIONS .................................... 2-4
2.3 ROG, NO X , PM AND GHG COMBUSTION MITIGATION MEASURES ............................ 2-6
2.3.1 Standard Mitigation Measures for Construction Equipment ...................................... 2-6
2.3.2 Best Available Control Technology (BACT) for Construction Equipment ................. 2-7
2.3.3 Construction Activity Management Plan (CAMP) and Off-Site Mitigation ............... 2-7
2.4 FUGITIVE DUST MITIGATION MEASURES ....................................................................... 2-8
2.5 MITIGATION MONITORING ............................................................................................... 2-10
3 ASSESSING AND MITIGATING OPERATIONAL IMPACTS ............................................. 3-1
3.1 OPERATIONAL SIGNIFICANCE CRITERIA ........................................................................ 3-1
3.2 CONSISTENCY WITH THE SLO COUNTY APCD’S CLEAN AIR PLAN AND SMART
GROWTH PRINCIPLES ........................................................................................................... 3-1
3.3 CONSISTENCY WITH A PLAN FOR THE REDUCTION OF GREENHOUSE GAS
EMISSIONS............................................................................................................................... 3-1
3.4 COMPARISON TO STANDARDS .......................................................................................... 3-3
3.5 COMPARISON TO SLO COUNTY APCD OPERATIONAL EMISSION THRESHOLDS .. 3-4
3.5.1 Significance Thresholds for Project-Level Operational Emissions ............................ 3-4
3.5.2 Ozone Precursor (ROG + NO x ) Emissions ................................................................... 3-5
3.5.3 Diesel Particulate Matter (DPM) Emissions ................................................................ 3-5
3.5.4 Fugitive Particulate Matter (Dust) Emissions ............................................................. 3-5
3.5.5 Carbon Monoxide (CO) Emissions ............................................................................... 3-6
3.5.6 Greenhouse Gas Emissions .......................................................................................... 3-6
3.6 SPECIAL CONDITIONS .......................................................................................................... 3-6
3.6.1 Toxic Air Contaminants ................................................................................................ 3-7
3.6.2 Agricultural Operations ................................................................................................ 3-8
3.6.3 Fugitive Dust ................................................................................................................. 3-9
3.6.4 Air Quality Nuisance Impacts..................................................................................... 3-10
3.7 METHODS FOR CALCULATING PROJECT OPERATIONAL EMISSIONS ................... 3-11
3.7.1 Determining Motor Vehicle Emissions ...................................................................... 3-11
3.7.2 Non-Vehicular Emissions from Residential and Commercial Facilities .................. 3-13
3.7.3 Industrial Emission Sources ....................................................................................... 3-14
3.7.4 Health Risk Assessment .............................................................................................. 3-14
3.7.5 Greenhouse Gas Emissions ........................................................................................ 3-14
3.8 OPERATIONAL EMISSION MITIGATION ......................................................................... 3-15
3.8.1 Guidelines for Applying ROG, NO x and PM 10 Mitigation Measures ........................ 3-15
3.8.2 Standard Mitigation Measures ................................................................................... 3-16
3.8.3 Off-Site Mitigation ...................................................................................................... 3-20
3.9 EVALUATION OF PROJECT CHANGES ............................................................................ 3-22
3.10 MITIGATION MONITORING ............................................................................................... 3-22
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