National ambient air quality standards


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National ambient air quality standards

The standards established by the EPA (Environmental Protection Agency) that apply to outdoor air throughout the country.
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References in periodicals archive ?
Regulatory Impact Analysis for the Final Revisions to the National Ambient Air Quality Standards for Particulate Matter.
On comparison with National Ambient Air Quality Standards, RSPM level was very high at both study sites while level of other pollutants like SO2, nitrogen dioxide (NO2) were within normal limits of National Ambient Air Quality Standards (Table-3).
ASHRAE/USGBC/IES Standard 189.1-2009, Standard for the Design of High-Performance Green Buildings, specifies that: when the building is located in an area that is designated "non-attainment" with a national ambient air quality standards for ozone as determined by the authority having jurisdiction (in the U.S., by the U.S.
On June 20, 2007, EPA is expected to propose revisions to the National Ambient Air Quality Standard (NAAQS) for ozone, with final action expected in March 2008.
The EPA was granted authority to develop and enforce national ambient air quality standards (NAAQS) for outside air with the Clean Air Act of !970.
These findings indicate that reducing ozone and other air pollution to levels "considerably below the Environmental Protection Agency's National Ambient Air Quality Standards" can reduce children's asthma morbidity, they added.
Vac Pac performance on this protocol shows that the vacuum cleaner releases dust particles into the surrounding environment at levels well below those allowed by the National Ambient Air Quality Standards.
In October 1999, the states of New York, Massachusetts, Maine, Vermont, Rhode Island, Connecticut, and New Hampshire petitioned the agency to revise its secondary national ambient air quality standards. Under the Clean Air Act, EPA created primary standards, which determine the allowable level of pollution to protect human health.
The National Ambient Air Quality Standards (NAAQS) are the centerpiece of the Clean Air Act's regulatory provisions.
The Act required EPA to establish National Ambient Air Quality Standards (NAAQS) to reduce levels of the pollutants most harmful to human health.
Last month, for example, just as the government announced it would disallow the EPA'S new National Ambient Air Quality Standards, the Ford Motor Co.
Court of Appeals ruled the Agency inadequately justified certain National Ambient Air Quality Standards it set for ozone and particulate matter effective 2008.

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