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.
References in periodicals archive ?
EPA webinar, "Proposed Revisions to National Ambient Air Quality Standards for Ozone, December 2014.
Regulatory Impact Analysis for the Final Revisions to the National Ambient Air Quality Standards for Particulate Matter.
29 Table-3: National Ambient Air Quality Standards Pollutant Time weighted Industrial, average Residential, Rural and other area Sulphur dioxide Annual 50 (SO2), [micro]g/ [m.
68) See National Ambient Air Quality Standards for Ozone, 72 Fed.
EPA is expected to propose changes to the National Ambient Air Quality Standard for ozone on June 20, 2007.
Through the authority of the Federal Clean Air Act, EPA has established National Ambient Air Quality Standards, or concentration limits, for PM10 and PM2.
In 2002, 34 percent of children under 18 years old lived in areas that did not meet one or more of the Primary National Ambient Air Quality Standards, up significantly from 19 percent in 2001.
The EPA was granted authority to develop and enforce national ambient air quality standards (NAAQS) for outside air with the Clean Air Act of
He identified coal-fired power plants, new National Ambient Air Quality Standards (NAAQS) and mobile source pollution as possible issues in the reauthorization.
The USEPA sets National Ambient Air Quality Standards (NAAQS) for six "criteria pollutants" that the USEPA has determined pose significant public health risks: sulfur dioxide, particulate matter, carbon monoxide, ozone, nitrogen dioxide, and lead.
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.

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