APPEN

List of Figure

for Chapters 

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ARB Almanac 2013 – Appendix E: Lists of Figures and Tables for Chapters 1 through 4 

Chapter 1: Introduction 1-1 People Living in Areas Meeting or Exceeding the 8-Hour Ozo 1-2 California Air Quality Monitoring Sites .................................

 1-3 California Air Basins ................................................................

 1-4 National 8-Hour Ozone Designations ..................................... 1-5 National PM2.5 Designations .................................................

Chapter 2: Current Emissions and Air Quality No FiguresChapter 3: Statewide Emission Trends and Forecasts 3-1 Percent Change in Air Quality and Growth ...........................

 3-2 Statewide NOx Emission Trends ..............................................

 3-3 Statewide VOC Emission Trends ............................................. 3-4 Statewide Directly Emitted PM2.5 Emission Trends ..............

 3-5 Statewide Directly Emitted PM10 Emission Trends ...............

 3-6 Statewide Diesel PM Emission Trends ...................................

 3-7 Statewide SOx Emission Trends ..............................................

 3-8 Statewide Ammonia Emission Trends .....................................Chapter 4: Regional Trends and Forecasts

South Coast Air Basin:

 4-1 Air Basin Map ...........................................................................

 4-2 Percent Growth in Population and VMT................................

 4-3 NOx Emission Trends ...............................................................

 4-4 VOC Emission Trends ..............................................................

 4-5 Directly Emitted PM2.5 Emission Trends ...............................

 4-6 Diesel PM Emission Trends .....................................................

 4-7 Ammonia Emission Trends ......................................................

 4-8 Ozone Air Quality Trend .........................................................

 4-9 Ozone Contour Map - 1992 ....................................................

 4-10 Ozone Contour Map - 2011 ....................................................

 4-11 PM2.5 Air Quality Trend ..........................................................

 4-12 NO2 Air Quality Trend.............................................................

List of 

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San Francisco Bay Area Air Basin:

 4-13 Air Basin Map ...........................................................................

 4-14 Percent Growth in Population and VMT................................

 4-15 NOx Emission Trends ...............................................................

 4-16 VOC Emission Trends .............................................................. 4-17 Directly Emitted PM2.5 Emission Trends ...............................

 4-18 Diesel PM Emission Trends ..................................................... 4-19 Ammonia Emission Trends ......................................................

 4-20 Ozone Air Quality Trend .........................................................

 4-21 PM2.5 Air Quality Trend ..........................................................

 4-22 NO2 Air Quality Trend ..........................................................

San Joaquin Valley Air Basin:

 4-23 Air Basin Map ........................................................................... 4-24 Percent Growth in Population and VMT................................

 4-25 NOx Emission Trends ...............................................................

 4-26 VOC Emission Trends .............................................................. 4-27 Directly Emitted PM2.5 Emission Trends ...............................

 4-28 Diesel PM Emission Trends ..................................................... 4-29 Ammonia Emission Trends ......................................................

 4-30 Ozone Air Quality Trend .........................................................

 4-31 Ozone Contour Map - 1992 ....................................................

 4-32 Ozone Contour Map - 2011 ....................................................

 4-33 PM2.5 Air Quality Trend ..........................................................

 4-34 NO2 Air Quality Trend ..........................................................

San Diego Air Basin:

 4-35 Air Basin Map ........................................................................... 4-36 Percent Growth in Population and VMT................................

 4-37 NOx Emission Trends ...............................................................

 4-38 VOC Emission Trends .............................................................. 4-39 Directly Emitted PM2.5 Emission Trends ...............................

 4-40 Diesel PM Emission Trends ..................................................... 4-41 Ammonia Emission Trends ......................................................

 4-42 Ozone Air Quality Trend .........................................................

 4-43 PM2.5 Air Quality Trend ..........................................................

List of Figure

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 4-44 NO2 Air Quality Trend.............................................................

 Sacramento Metropolitan Area: 4-45 Air Basin Map ...........................................................................

 4-46 Percent Growth in Population and VMT................................

 4-47 NOx Emission Trends ...............................................................

 4-48 VOC Emission Trends .............................................................. 4-49 Directly Emitted PM2.5 Emission Trends ...............................

 4-50 Diesel PM Emission Trends ..................................................... 4-51 Ammonia Emission Trends ......................................................

 4-52 Ozone Air Quality Trend .........................................................

 4-53 PM2.5 Air Quality Trend ..........................................................

 4-54 NO2 Air Quality Trend ..........................................................

List of Figure

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Chapter 1: Introduction 1-1 List of Counties in Each Air Basin ..........................................

 1-2 Change in Federal Ozone Standards over time ...................... 1-3 Change in Federal PM2.5 Standards over time .......................

 1-4 National Ambient Air Quality Standards ................................Chapter 2: Current Emissions and Air Quality 2-1 NOx Sources Statewide .............................................................

 2-2 VOC Sources Statewide ............................................................ 2-3 Directly Emitted Particulate Matter (PM2.5) ...........................

 2-4 Directly Emitted Particulate Matter (PM10) ............................

 2-5 SOx Sources Statewide ..............................................................

 2-6 Ammonia Sources Statewide .................................................... 2-7 Diesel PM Sources Statewide ................................................... 2-8 2012 Statewide Emission Inventory by Category ................... 2-9 2012 Statewide Emission Inventory by Sub-Category .......... 2-10 8-Hour Ozone Design Values and Exceedance Days by Air B

 2-11 National 8-Hour Nonattainment Areas: Design Values and 8 2-12 24-Hour and Annual Average Design Values by Air Basin .... 2-13 National PM2.5 Nonattainment Areas: 24-Hour Design Valu

 2-14 8-Hour CO, 1-Hour NO2, and 1-Hour SO2 Design Values b

Chapter 3: Statewide Emission Trends and Forecasts 3-1 Statewide Emission Trends ......................................................

 3-2 Statewide Population and VMT Trends ................................... 3-3 Statewide NOx Emission Trends ..............................................

 3-4 Statewide VOC Emission Trends .............................................. 3-5 Statewide Directly Emitted PM2.5 Emission Trends ..............

 3-6 Statewide Directly Emitted PM10 Emission Trends ...............

 3-7 Statewide Diesel PM Emission Trends ...................................

 3-8 Statewide SOx Emission Trends ..............................................

 3-9 Statewide Ammonia Emission Trends .....................................

List of 

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Chapter 4: Regional Trends and Forecast South Coast Air Basin: 4-1 Air Basin Emission Trends ........................................................ 4-2 Population and VMT Trends .................................................... 4-3 NOx Emission Trends ...............................................................

 4-4 VOC Emission Trends ..............................................................

 4-5 Directly Emitted PM2.5 Emission Trends ...............................

 4-6 Diesel PM Emission Trends .....................................................

 4-7 Ammonia Emission Trends ......................................................

 4-8 Ozone Air Quality Trends ........................................................ 4-9 PM2.5 Air Quality Trends .........................................................

 4-10 NO2 Air Quality Trends ...........................................................

 San Francisco Bay Area Air Basin: 4-11 Air Basin Emission Trends ........................................................

 4-12 Population and VMT Trends .................................................... 4-13 NOx Emission Trends ...............................................................

 4-14 VOC Emission Trends .............................................................. 4-15 Directly Emitted PM2.5 Emission Trends ...............................

 4-16 Diesel PM Emission Trends ..................................................... 4-17 Ammonia Emission Trends ......................................................

 4-18 Ozone Air Quality Trends ........................................................

 4-19 PM2.5 Air Quality Trends .........................................................

 4-20 NO2 Air Quality Trends ............................................................

 San Joaquin Valley Air Basin: 4-21 Air Basin Emission Trends ........................................................ 4-22 Population and VMT Trends .................................................... 4-23 NOx Emission Trends ...............................................................

 4-24 VOC Emission Trends .............................................................. 4-25 Directly Emitted PM2.5 Emission Trends ...............................

 4-26 Diesel PM Emission Trends ..................................................... 4-27 Ammonia Emission Trends ......................................................

 4-28 Ozone Air Quality Trends ........................................................

 4-29 PM2.5 Air Quality Trends .........................................................

 4-30 NO2 Air Quality Trends ............................................................

List of Tables 

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 San Diego Air Basin: 4-31 Air Basin Emission Trends ........................................................ 4-32 Population and VMT Trends .................................................... 4-33 NOx Emission Trends ...............................................................

 4-34 VOC Emission Trends .............................................................. 4-35 Directly Emitted PM2.5 Emission Trends ...............................

 4-36 Diesel PM Emission Trends ..................................................... 4-37 Ammonia Emission Trends ......................................................

 4-38 Ozone Air Quality Trends ........................................................

 4-39 PM2.5 Air Quality Trends .........................................................

 4-40 NO2 Air Quality Trends ...........................................................

 Sacramento Metropolitan Area: 4-41 Air Basin Emission Trends ........................................................

 4-42 Population and VMT Trends .................................................... 4-43 NOx Emission Trends ...............................................................

 4-44 VOC Emission Trends .............................................................. 4-45 Directly Emitted PM2.5 Emission Trends ...............................

 4-46 Diesel PM Emission Trends ..................................................... 4-47 Ammonia Emission Trends ......................................................

 4-48 Ozone Air Quality Trends ........................................................

 4-49 PM2.5 Air Quality Trends .........................................................

 4-50 NO2 Air Quality Trends ............................................................

List of Tables 

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Glos

Air: So-called “pure” air is a mixture of gases containing about 78 percent nitrogen; 21 percent oxygen; less than one percent of carbon dioxide, argon, and other gases; and varying amounts of water vapor.Air Basin: A land area with generally similar meteorological and geographic conditions throughout. To the extent possible, air basin boundaries are defined along political boundary lines and include both the source and receptor areas. California is currently divided into 15 air basins.Air District: A political body responsible for managing air quality on a regional or county basis. California is currently divided into 35 air districts.Air Monitoring: Sampling for and measuring of pollutants present in the atmosphere.Air Pollution: Degradation of air quality resulting from unwanted chemicals or other materials occurring in the air.Air Pollution Control District (APCD): An agency with authority to regulate stationary, indirect, and area sources of air pollution (e.g., power plants, highway construction, and housing developments) within a given county, and governed by a district air pollution control board composed of the elected county supervisors.Air Quality Management District (AQMD): A group of counties or portions of counties, or an individual county specified in law with authority to regulate stationary, indirect, and area sources of air pollution within the region and governed by a regional air pollution control board comprised mostly of elected officials from within the region.Air Quality Management Plan (AQMP): A plan prepared by an APCD / AQMD, for a county or region designated as a nonattainment area, for the purpose of bringing the area into compliance with Glossary of Air Quality Terms

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ARB Almanac 2013 – Appendix E: Glossary 

Glos

quality standards. An area may be an attainment area for one pollutant and a nonattainment area for others.Criteria Air Pollutant: An air pollutant for which acceptable levels of exposure can be determined and for which an ambient air quality standard has been set. Examples include: ozone, carbon monoxide, nitrogen dioxide, sulfur dioxide, PM10, and PM2.5. 

Climate Change: A change in the temperature of the earth’s troposphere. Climate change has occurred in the past as a result of natural influences, but the term is most often used in reference to the warming predicted by computer models to occur as a result of increased emissions of greenhouse gases. Design Value (DV): The concentration that is compared to the standard for the purpose of determining attainment status.Emission Inventory: An estimate of the amount of pollutants emitted into the atmosphere from major mobile, stationary, area-wide, and natural source categories over a specific period of time such as a day or a year. Emission Standard: The maximum amount of a pollutant that is allowed to be discharged from a polluting source such as an automobile or smoke stack.Expected Peak Day Concentration (EPDC): See Peak IndicatorExceedance: A measured level of an air pollutant higher than the 

national or state ambient air quality standards. Federal Clean Air Act (FCAA): A federal law passed in 1970 and amended in 1974, 1977 and 1990 which forms the basis for the national air pollution control effort. Basic elements of the act include national ambient air quality standards for major air pollutants, mobile and stationary control measures, air toxics standards, acid rain control measures, and enforcement provisions.

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Glos

State Implementation Plan (SIP): A plan prepared by states and submitted to U.S. EPA describing how each area will attain and maintain national ambient air quality standards. SIPs include the technical foundation for understanding the air quality (e.g., emission inventories and air quality monitoring), control measures and strategies, and modeling analyses. Stationary Sources: Non-mobile sources such as power plants, refineries, and manufacturing facilities which emit air pollutants (compare with Mobile Sources).Total Organic Gases (TOG): All gases consisting of substances containing carbon, except carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates, and ammonium carbonate.Vehicle Miles Traveled (VMT): The miles traveled by motor vehicles over a specified length of time (e.g., daily, monthly, or yearly) or over a specified road or transportation corridor.Volatile Organic Compounds (VOC): A group of chemicals that react in the ambient air with nitrogen oxides in the presence of heat and sunlight to form ozone. Examples of VOCs include gasoline fumes and oil-based paints. This group of chemicals does not include methane or other compounds determined by U.S. EPA to have negligible photochemical reactivity.

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