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  2. New Source Performance Standards - Wikipedia

    en.wikipedia.org/wiki/New_Source_Performance...

    New Source Performance Standards (NSPS) are pollution control standards issued by the United States Environmental Protection Agency (EPA). The term is used in the Clean Air Act Extension of 1970 (CAA) to refer to air pollution emission standards, and in the Clean Water Act (CWA) referring to standards for water pollution discharges of industrial wastewater to surface waters.

  3. National Emissions Standards for Hazardous Air Pollutants

    en.wikipedia.org/wiki/National_Emissions...

    For each listed source category, EPA indicates whether the sources are considered to be major sources or area sources. The 1990 Clean Air Act Amendments direct EPA to set standards for all major sources of air toxics, and for some area sources that are of particular concern. EPA is required to review all source category regulations every eight ...

  4. AP 42 Compilation of Air Pollutant Emission Factors - Wikipedia

    en.wikipedia.org/wiki/AP_42_Compilation_of_Air...

    The EPA has developed a software program named "TANKS" which performs the Chapter 7 methodology for calculating emission losses from storage tanks. The program's installer file along with a user manual, and the source code are available on the Internet.

  5. Hazardous waste in the United States - Wikipedia

    en.wikipedia.org/wiki/Hazardous_waste_in_the...

    The K-list (source-specific wastes). This list includes certain wastes from specific industries, such as petroleum refining or pesticide manufacturing. Certain sludges and wastewaters from treatment and production processes in these industries are examples of source-specific wastes. (See 40 CFR 261.32)

  6. List of atmospheric dispersion models - Wikipedia

    en.wikipedia.org/wiki/List_of_atmospheric...

    The U.S. EPA released version 11060 of AERSCREEN on 11 March 2010 with a subsequent update, version 11076, on 17 March 2010. The U.S. EPA published the "Clarification memorandum on AERSCREEN as the recommended screening model" on 11 April 2011. [2] CTSCREEN – The screening version of CTDMPLUS. SCREEN3 – The screening version of ISC3.

  7. How to understand the Air Quality Index - AOL

    www.aol.com/news/how-to-understand-the-air...

    At code orange, the EPA recommends that everyone keeps outdoor activities light and short and for sensitive groups to go inside if they're experiencing symptoms. In red zones, everyone is ...

  8. Title 40 of the Code of Federal Regulations - Wikipedia

    en.wikipedia.org/wiki/Title_40_of_the_Code_of...

    Title 40 is a part of the United States Code of Federal Regulations. Title 40 arranges mainly environmental regulations that were promulgated by the US Environmental Protection Agency (EPA), based on the provisions of United States laws (statutes of the U.S. Federal Code). Parts of the regulation may be updated annually on July 1. [1]

  9. EPANET - Wikipedia

    en.wikipedia.org/wiki/EPANET

    The source code for EPANET 2 is available on the EPA's EPANET website. [ 8 ] In 2012, Baseform released a rewrite of the EPANET toolkit in Java under the GNU GPLv3 license .