Air quality standard definition

Air quality standard means an air quality level as established by Regulations in terms of a limit on contaminant levels in the atmosphere. Such standards shall be consistent with the air quality criteria.
Air quality standard means an established concentration,
Air quality standard means an allowable level of air contaminant or atmospheric air concentration established by the commission.

Examples of Air quality standard in a sentence

  • Applicable air quality standards as per LULC covered in the study area and % contribution of the proposed plant to the applicable Air quality standard.

  • According to the monitoring results in Table 6, the air quality at Sixin pumping station and Moshui Lake under New Zone Lakes/Channels Rehabilitation Component met the requirement of Class II of Ambient Air quality standard (GB3095-1996).

  • Purchasers, in the same way, must clearly define their needs and requirements.We have always done it this way can be a difficult mentality to overcome.

  • For the purpose of this chapter, air pollution shall not include air contaminants emitted in compliance with chapter 17.21 RCW.(3) "Air quality standard" means an established concentration, exposure time, and frequency of occurrence of an air contaminant or multiple contaminants in the ambient air which shall not be exceeded.

  • Air quality standard implement Class II of National Ambient Air Quality Standard (GB3095-96).


More Definitions of Air quality standard

Air quality standard means a standard set for maximum allowable contamination in ambient air as set forth in chapter 173-400 WAC, General regulations for air pollution sources.
Air quality standard means an allowable level of air contaminant or atmospheric air concentration established by this chapter.
Air quality standard means an established concentration, exposure time, and frequency of occurrence of an air contaminant or multiple contaminants in the ambient air which shall not be exceeded.
Air quality standard means the concentration and duration of an air contaminant specified by the department or by the national ambient air quality standards as contained in the provisions of 40 C.F.R. part 50 (2002), whichever is more restrictive, as the maximum acceptable concentration and duration of that contaminant in the ambient air.
Air quality standard means a standard prescribed for the purposes of this Act by the Minister pursuant to section 50;
Air quality standard means an established
Air quality standard means the concentration and duration of an air contaminant specified as the maximum acceptable concentration and duration of that contaminant in the ambient air as set forth below: Ambient Air Quality StandardsTABLE INSET: PrimarySecondarySuspended Particulates (micrograms/cu. meter)Annual geometric mean75 --Max. 24-hr. conc.*260150Sulfur Oxides (micrograms/cu. meter)Annual arith. average80 (.03 ppm) --Max. 24-hr. conc.*365 (.14 ppm)--Max. 3-hr. conc.*--1300 (.5 ppm)Carbon Monoxide (milligrams/cu. meter)Max. 8-hr. conc.*10 ( 9 ppm) 10Max. 1-hr. conc.*40 (35 ppm)40Photochemical Oxidants (micrograms/cu. meter) Max. 1-hr. conc.*160 (.08 ppm)160Nitrogen Oxides (micrograms/cu. meter)Annual arith. average100 (0.5 ppm)100Hydrocarbons (micrograms/cu. meter)Max. 3-hr. conc.*160 (.24 ppm) 160(6--9 a.m.)Note: Values in parts per million (ppm) are only approximate. *Not to be exceeded more than once a year per site.