- 行业: Government
- Number of terms: 3992
- Number of blossaries: 2
- Company Profile:
Compounds containing various combinations of hydrogen and carbon atoms. They may be emitted into the air by natural sources (e.g., trees) and as a result of fossil and vegetative fuel combustion, fuel volatilization, and solvent use. Hydrocarbons are a major contributor to smog.
Industry:Pollution control
Carbon-containing compounds that evaporate into the air. VOCs contribute to the formation of smog and / or may themselves be toxic. VOCs often have an odor, and some examples include gasoline, alcohol, and the solvents used in paints.
Industry:Pollution control
A numerical index used for reporting severity of air pollution levels to the public. It replaces the formerly used Pollutant Standards Index (PSI). Like the PSI, the AQI incorporates five criteria pollutants -- ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide -- into a single index. The new index also incorporates the 8-hour ozone standard and the 24-hour PM2.5 standard into the index calculation. AQI levels range from 0 (Good air quality) to 500 (Hazardous air quality). The higher the index, the higher the level of pollutants and the greater the likelihood of health effects. The AQI incorporates an additional index category -- unhealthy for sensitive groups -- that ranges from 101 to 150. In addition, the AQI comes with more detailed cautions. For more information, see our air quality index top page.
Industry:Pollution control
The State's lead air quality agency consisting of an eleven-member board appointed by the Governor and several hundred employees. CARB is responsible for attainment and maintenance of the state and federal air quality standards, and is fully responsible for motor vehicle pollutioncontrol. It oversees county and regional air pollution management programs.
Industry:Pollution control
Watercraft that do not have outboard, inboard, or stern drive engines. This encompasses the watercraft typically referred to as Jet Skis, Waverunners, etc. For more information, please check out our recreational marine website.
Industry:Pollution control
Written authorization from a government agency (e.g., an air quality management district) that allows for the construction and / or operation of an emissions generating facility or its equipment within certain specified limits. For more information, please go to our permitting activities portal page.
Industry:Pollution control
Very fine carbon particles that have a black appearance when emitted into the air.
Industry:Pollution control
Vehicles which produce no emissions from the on-board source of power (e.g., an electric vehicle). For more information, please go to our zero emission vehicles program website.
Industry:Pollution control
Vehicles that meet the ARB ultra-low emission standards. These emission limits are between those for LEVs and ZEVs. For more information, please view our DriveClean website.
Industry:Pollution control
