Glossary

    Pollutants

    Pollutant Name

    Abbreviated Name

    Carbon Monoxide

    CO

    Oxides of Nitrogen

    NOx

    Oxides of Sulfur

    SOx

    Particulate Matter

    PM

    Particulate Matter 10 Microns or Less

    PM10

    Particulate Matter 2.5 Microns or Less

    PM2.5

    Reactive Organic Gases

    ROG

    Total Organic Gases

    TOG

    Volatile Organic Compounds

    VOC

    Ammonia

    NH3

    Lead

    Pb

    Carbon Dioxide

    CO2

    Methane

    CH4

    Nitrous Oxide

    N2O

    County Abbreviations

    Abbreviation

    County

    ALA

    Alameda

    CC

    Contra Costa

    MAR

    Marin

    NAP

    Napa

    SF

    San Francisco

    SM

    San Mateo

    SNC

    Santa Clara

    SOL

    Solano

    SON

    Sonoma

    Units

    Abbreviation

    Unit

    Btu

    British thermal energy unit

    gal

    gallon

    kg

    kilogram

    L

    liter

    lb

    pound

    MCF

    million cubic feet

    MSCF

    million standard cubic feet

    MT

    metric ton

    yd

    yard

    yr

    year

    Organizations

    Abbreviation

    Organization

    ABAG

    Association of Bay Area Governments

    BAAQMD

    Bay Area Air Quality Management District

    CADoF

    California Department of Finance

    CADoT or Caltrans

    California Department of Transportation

    CARB

    California Air Resources Board

    CEC

    California Energy Commission

    EIA

    Energy Information Administration

    EPA or USEPA

    U.S. Environmental Protection Agency

    IPCC

    Intergovernmental Panel for Climate Change

    MTC

    Metropolitan Transportation Commission

    SCAQMD

    South Coast Air Quality Management District

    SMAQMD

    Sacramento Metropolitan Air Quality Management District

    SJVAPCD

    San Joaquin Valley Air Pollution Control District

    Other Common Abbreviations

    Abbreviation

    Full Name

    CAP

    Criteria Air Pollutant

    CEIDARS

    California Emissions Inventory Data Analysis and Reporting System

    DPWK

    days per week

    EF

    Emission Factor

    EIC

    Emissions Inventory Code

    GHG

    Greenhouse Gas

    GWP

    Global Warming Potential

    HPDY

    hours per day

    NEI

    National Emissions Inventory

    SIP

    State Implementation Plan

    WPYR

    weeks per year