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  2. National Ambient Air Quality Standards - Wikipedia

    en.wikipedia.org/wiki/National_Ambient_Air...

    The Clean Air Act requires the EPA to set US National Ambient Air Quality Standards (NAAQS) for the six CAPs. [6] The NAAQS are health based and the EPA sets two types of standards: primary and secondary. The primary standards are designed to protect the health of 'sensitive' populations such as asthmatics, children, and the elderly.

  3. Taizhou Luqiao Airport - Wikipedia

    en.wikipedia.org/wiki/Taizhou_Luqiao_Airport

    Taizhou Luqiao Airport (IATA: HYN, ICAO: ZSLQ), formerly Huangyan Luqiao Airport, is a dual-use military and civil airport serving the city of Taizhou in Zhejiang Province, China. It is located in Luqiao District, 20 kilometers from the city center. [2] In 2010 the airport handled 616,861 passengers and 5,483 tons of cargo. [3]

  4. List of airports in China - Wikipedia

    en.wikipedia.org/wiki/List_of_airports_in_China

    Civil airports of Mainland China, Hong Kong, and Macau. This is a list of public airports in the People's Republic of China grouped by provincial level division and sorted by main city or county served. It includes civil airports and certified general airports, [1] but excludes filed general airports, defunct airports and military air bases.

  5. National Ambient Air Quality Objectives - Wikipedia

    en.wikipedia.org/wiki/National_Ambient_Air...

    This approach is different from how the National Ambient Air Quality Standards are set in the US, where cost is explicitly not considered in the proposal to strengthen the air quality standards to protect human health and the environment. In addition, the US NAAQS are periodically reviewed, frequently strengthened, commonly enforced and allow ...

  6. Ambient air quality criteria - Wikipedia

    en.wikipedia.org/wiki/Ambient_air_quality_criteria

    Ambient air quality criteria, or standards, are concentrations of pollutants in the air, and typically refer to outdoor air.The criteria are specified for a variety of reasons including for the protection of human health, buildings, crops, vegetation, ecosystems, as well as for planning and other purposes.

  7. Air quality law - Wikipedia

    en.wikipedia.org/wiki/Air_quality_law

    As an example, the United States Environmental Protection Agency has developed the National Ambient Air Quality Standards (NAAQS) [6] NAAQS set attainment thresholds for sulfur dioxide, particulate matter (PM 10 and PM 2.5), carbon monoxide, ozone, nitrogen oxides NO x, and lead (Pb) in outdoor air throughout the United States.

  8. National Standards of the People's Republic of China

    en.wikipedia.org/wiki/National_Standards_of_the...

    Codes for the administrative divisions of the People's Republic of China GB/T 2261-1980 None but similar to ISO 5218: Codes for sexual distinction of human beings GB/T 2659-2000 EQV ISO 3166-1:1997 Codes for the representation of names of countries and regions GB/T 4880-1991 EQV ISO 639:1988 Codes for the representation of names of languages

  9. Whitman v. American Trucking Ass'ns, Inc. - Wikipedia

    en.wikipedia.org/wiki/Whitman_v._American...

    Whitman v. American Trucking Associations, Inc., 531 U.S. 457 (2001), was a case decided by the United States Supreme Court in which the Environmental Protection Agency's National Ambient Air Quality Standard (NAAQS) for regulating ozone and particulate matter was challenged by the American Trucking Association, along with other private companies and the states of Michigan, Ohio, and West ...