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

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

    The fugitive air pollutant emission factors from relief valves, piping valves, open-ended piping lines or drains, piping flanges, sample connections, and seals on pump and compressor shafts are discussed and included in the report EPA-458/R-95-017, "Protocol for Equipment Leak Emission Estimates" which is included in the Chapter 5 section of AP ...

  3. Effluent guidelines - Wikipedia

    en.wikipedia.org/wiki/Effluent_guidelines

    The United States Environmental Protection Agency (EPA) issues Effluent Guideline regulations for categories of industrial sources of water pollution under Title III of the Clean Water Act (CWA). [1] The standards are technology-based, i.e. they are based on the performance of treatment and control technologies (e.g., Best Available Technology ).

  4. Emissions & Generation Resource Integrated Database

    en.wikipedia.org/wiki/Emissions_&_Generation...

    Similar files can be downloaded for a given year's eGRID release from EPA's eGRID website. eGRID Subregions, 2019 The primary data sources used for eGRID include data reported by electric generators to EPA’s Clean Air Markets Division (pursuant to 40 CFR Part 75) and to the U.S. Energy Information Administration (EIA).

  5. EPANET - Wikipedia

    en.wikipedia.org/wiki/EPANET

    The input file can include data describing network topology, water consumption, and control rules, and is supported by many free and commercial modeling packages. While EPANET is used as the computational engine for most water distribution system models, most models are developed and maintained in hydraulic modeling packages based on EPANET's ...

  6. Regulation of greenhouse gases under the Clean Air Act

    en.wikipedia.org/wiki/Regulation_of_greenhouse...

    Section 202(a)(1) of the Clean Air Act requires the Administrator of the EPA to establish standards "applicable to the emission of any air pollutant from…new motor vehicles or new motor vehicle engines, which in [her] judgment cause, or contribute to, air pollution which may reasonably be anticipated to endanger public health or welfare" (emphasis added). [3]

  7. Pipeline and Hazardous Materials Safety Administration

    en.wikipedia.org/wiki/Pipeline_and_Hazardous...

    The Pipeline and Hazardous Materials Safety Administration (PHMSA) is a United States Department of Transportation agency created in 2004, responsible for developing and enforcing regulations for the safe, reliable, and environmentally sound transportation of energy and other hazardous materials.

  8. Radon-222 - Wikipedia

    en.wikipedia.org/wiki/Radon-222

    Radon-222 (222 Rn, Rn-222, historically radium emanation or radon) is the most stable isotope of radon, with a half-life of approximately 3.8 days. It is transient in the decay chain of primordial uranium-238 and is the immediate decay product of radium-226.

  9. Renewable Fuel Standard (United States) - Wikipedia

    en.wikipedia.org/wiki/Renewable_Fuel_Standard...

    The EPA was also blamed for missing legal deadlines to revise the RVO targets. Some say this introduced market uncertainty, harming both consumers and producers. The EPA made this announcement in May to meet a June 1, 2015 deadline established by the settlement to a lawsuit brought by fossil fuel and chemical trade associations. The EPA ...