Definition
The level of selected pollutants set by law that may not be exceeded in outside air. Used to determine the amount of pollutants that may be emitted by industry.
See also:
Emission
The release or discharge of a substance into the environment. Generally refers to the release of gases or particulates into the air.
Emission Standards
Government standards that establish limits on discharges of pollutants into the environment (usually in reference to air).
Fugitive Emissions
Air pollutants released to the air other than those from stacks or vents; typically small releases from leaks in plant equipment such as valves, pump seals, flanges, sampling connections, etc.