- 行业: Government
- Number of terms: 3992
- Number of blossaries: 2
- Company Profile:
A program that permits air district and local governments to allocate vehicle registration surcharge fees to projects that reduce motor vehicle emissions such as zero-emission vehicles, bike lanes, and trip reduction programs.
Industry:Pollution control
A rule-making concept whereby approval of a new or modified stationary source of air pollution is conditional on the reduction of emissions from other existing stationary sources of air pollution. These reductions are required in addition to reductions required by best available control technology. For information please go to our New Source Review Emission Reduction Credit Offsets website.
Industry:Pollution control
A series of charts, numbered 0 to 5, that simulate various smoke densities by presenting different percentages of black. A Ringelmann No. 1 is equivalent to 20 percent black; a Ringelmann No. 5 is 100 percent black. They are used for measuring the opacity or equivalent obscuration of smoke arising from stacks and other sources by matching the actual effluent with the various numbers, or densities, indicated by the charts.
Industry:Pollution control
A section of the 1990 amendments to the federal Clean Air Act that requires a federally enforceable operating permit for major sources of air pollution. For more information, please see our Title V website.
Industry:Pollution control
A section of the 1990 amendments to the federal Clean Air Act that addresses the control of toxic air emissions. For more information, please go to our Title III website.
Industry:Pollution control
(NH<sub>3</sub>) A pungent colorless gaseous compound of nitrogen and hydrogen that is very soluble in water and can easily be condensed into a liquid by cold and pressure. Ammonia reacts with NOx to form ammonium nitrate -- a major PM2. 5 component in the Western United States.
Industry:Pollution control
A provision in air district permit regulations that allows a facility to accumulate credits for reducing emissions beyond regulatory limits (emission reduction credits) and then use or sell those credits at a later date. For more information, please go to our New Source Review website.
Industry:Pollution control
A program that permits air district and local governments to allocate vehicle registration surcharge fees to projects that reduce motor vehicle emissions such as zero-emission vehicles, bike lanes, and trip reduction programs.
Industry:Pollution control
A phenomenon that results in reduced visibility due to the scattering of light caused by aerosols. Haze is caused in large part by man-made air pollutants.
Industry:Pollution control
A pre-construction permit issued by an air district.
Industry:Pollution control
