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Ambient air

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Ambient Air
Outdoor air; all air that plants and animals breathe except the air inside buildings.
Atmosphere ...


- Open air, surrounding air, or outside air.
ASHRAE - American Society of Heating, Refrigerating and Air-Conditioning.
ASHRAE 55-1992 -ASHRAE standard: Thermal Environmental Conditions for Human Occupancy.

Ambient Air Quality Objectives or Standards
Air quality levels for specific pollutants that are determined to be necessary to protect human health and/or the environment.


Refers to the surrounding air. Generally, refers to air outside and surrounding an air pollution source location. Often used interchangeably with "outdoor air." ...

Ambient air
Any unconfined portion of the atmosphere: open air, surrounding air. Ambient air is usually outdoor air (as opposed to indoor air).(1) ...

Quality Standards (AAQS): Health- and welfare-based standards for outdoor air which identify the maximum acceptable average concentrations of air pollutants during a specified period of time.

ambient air quality standards See Criteria Pollutants and National Ambient Air Quality Standards. ...

A
Definition (english only)
The air occurring at a particular time and place outside of structures. Often used interchangeably with 'outdoor air'.

National Ambient Air Quality Standards (NAAQS)
National Emissions Standards for Hazardous Air Pollutants (NESHAPS)
National Environmental Performance Partnership Agreements
National Estuary Program
National Municipal Plan ...

National quality standards designed to protect welfare, including effects on soils, water, crops, vegetation, man-made (anthropogenic) materials, animals, wildlife, weather, visibility, and climate; damage to property; ...

National Ambient Air Quality Standards (NAAQS): Standards established by EPA that apply for outdoor air throughout the country. (see Criteria Pollutants, State Implementation Plans, Emissions Trading) ...

National quality standards Federal standards for the minimum quality needed to protect public health and welfare.
Nitrogen oxides All oxides of nitrogen except nitrous oxide.

National Ambient Air Quality Standards (NAAQS)
The Clean Air Act, which was last amended in 1990, requires EPA to set National Ambient Air Quality Standards for pollutants considered harmful to public health and the environment.

Runoff Agricultural Waste Agronomy Air Cleaning Air Pollution Algae Algae Biodiesel Algal Bloom Alkalinity Alternative Energy Alternative Fuels Alternative Natural Materials Ambient ...

ambient air Any unconfined portion of the atmosphere; the outside air. anadromous Migratory fish that ascend rivers from the sea to spawn, like salmon.

Air Toxics Any air pollutant for which a National Quality Standard (NAAQS) does not exist that may reasonably be anticipated to cause serious or irreversible chronic or acute health effects in humans.

Ambient air usually means outdoor air (as opposed to indoor air). Analyte A chemical for which a sample (such as water, air, blood, urine or other substance) is tested.

CO2 is a colorless, odorless, non-poisonous gas that is a normal part of the . Of the six greenhouse gases normally targeted, CO2 contributes the most to human-induced global warming.

Criteria Pollutants: The 1970 amendments to the Clean Air Act required EPA to set National Ambient Air Quality Standards for certain pollutants known to be hazardous to human health.

Carbon dioxide (CO2) A naturally occurring colourless, odourless, non-poisonous gas which is a normal part of the .

Secondary Standards: National ambient air quality standards designed to protect welfare, including effects on soils, water, crops, vegetation, man-made (anthropogenic) materials, animals, wildlife, weather, visibility, and climate; ...

A colorless, odorless, non-poisonous gas that is a normal part of the . Carbon dioxide is a product of fossil fuel combustion. Although carbon dioxide does not directly impair human health, it is a greenhouse gas that traps terrestrial (i.

Hazardous Air Pollutants- Air pollutants which are not covered by ambient air quality standards but which, as defined in the Clean Air Act, may present a threat of adverse human health effects or adverse environmental effects.

Ventilated Façade - A special type of curtain wall consisting of two glazed facades separated by gap through which is allowed to flow.

Short Circuiting: The entry of ambient air into an extraction well without first passing through the contaminated zone.

Nitrogen Oxide (NOx) - The result of photochemical reactions of nitric oxide in .

Ambient
Surrounding (for example, ambient air).
Anaerobic
Requiring the absence of oxygen [compare with aerobic].

Ambient - Surrounding. usually means outdoor air (as opposed to indoor air).

Air pollutants which are not covered by ambient air quality standards but which, as defined in the Clean Air Act, may reasonably be expected to cause or contribute to irreversible illness or death.

Powered Air-purifying Respirator (PAPR): An air-purifying respirator that uses a blower to force the through air-purifying elements to the inlet covering.
Power-Operated Hoists: A hoist that is powered by other than human energy.

The Clean Air Act says an "air pollutant" is any "physical, chemical, biological, [or] radioactive substance or matter which is emitted into or otherwise enters the ambient air." ...

See also: See also: Air, National, Standards, Environment, Pollutant

Environment  Alternative transportation  Ambient air quality standards

 
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