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National Ambient Air Quality Standard definition

National Ambient Air Quality Standard means an ambient standard established by EPA and specified at 40 C.F.R. Part 50, adopted and incorporated by reference in Rule 62-204.800, F.A.C.
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National Ambient Air Quality Standard or “NAAQS” means an ambient air quality standard promulgated at 40 CFR 50.
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National Ambient Air Quality Standard. (NAAQS) means an ambient air quality standard set forth in 40 CFR Part 50, which includes standards for carbon monoxide (CO), particulate matter (PM10, PM2.5), ozone (O3), sulfur dioxide (SO2), lead (Pb), and nitrogen dioxide (NO2).
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Examples of National Ambient Air Quality Standard in a sentence

  • Emissions monitored by this method shall not exceed 1.5 micrograms per cubic meter (µg/m3) as a 90 day average as defined in the National Ambient Air Quality Standard (NAAQS) for Lead.

  • Emissions monitored by this method shall not exceed 1.5 micrograms per cubic meter (μg/m3) as a 90 day average as defined in the National Ambient Air Quality Standard (NAAQS) for Lead.

  • The San Joaquin Valley is currently designated as nonattainment for the National Ambient Air Quality Standard (NAAQS) for 8-hour ozone (revoked 1997, 2008 and 2015 standards), particulate matter under 2.5 microns in diameter (PM2.5) (1997, 2006 and 2012 standards); and has a maintenance plan for particulate matter under 10 microns in diameter (PM-10).

  • The permitted source shall not cause or contribute to a National Ambient Air Quality Standard violation or a PSD increment violation.

  • CAAQS = California Ambient Air Quality Standard; NAAQS = National Ambient Air Quality Standard; ppm = parts per million; ppb = parts per billion; ND = no data available.


More Definitions of National Ambient Air Quality Standard

National Ambient Air Quality Standard means any ambient air quality standard promulgated by the EPA pursuant to Section 109 of the Clean Air Act.
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National Ambient Air Quality Standard means the ambient air pollutant concentration limits established by the administrator pursuant to 42 United States Code Section 7409.
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National Ambient Air Quality Standard means all of the National Ambient Air Quality Standards contained in Part 50 of Title 40 of the Code of Federal Regulations, including the definitions, scope, reference conditions, and appendices thereto, which are incorporated herein by this reference as of July 1, 2013.
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National Ambient Air Quality Standard means the ambient air pollutant concentration limits established by the Administrator pursuant to section 109 of the Act. A.R.S. § 49-401.01(25).
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National Ambient Air Quality Standard means those ambient air quality standards promulgated by the EPA in 40 C.F.R. Part 50 as of the effective date of the federal final rule published by EPA in the Federal Register on October 26, 2015 (80 FR 65292), as set forth in Appendix B of this Regulation.
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National Ambient Air Quality Standard or “NAAQS” means the ambient air pollutant concentration limits established by the Administrator pursuant to § 109 (42 U.S.C. § 7409) of the Clean Air Act.
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National Ambient Air Quality Standard or "NAAQS" means a standard established by USEPA that applies for outdoor air throughout the United States. BOARD NOTE: The Board added this definition, derived from the definition in "Terms of Environment: Glossary, Abbreviations, and Acronyms" (December 1997), EPA 175-B-97-001, at p. 30. USEPA has codified the NAAQS at 40 CFR 50.
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