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  2. Continuous emissions monitoring system - Wikipedia

    en.wikipedia.org/wiki/Continuous_emissions...

    They can continuously collect, record and report emissions data for process monitoring and/or for compliance purposes. The standard CEM system consists of a sample probe, filter , sample line ( umbilical ), gas conditioning system, calibration gas system, and a series of gas analyzers which reflect the parameters being monitored.

  3. Volatile organic compound - Wikipedia

    en.wikipedia.org/wiki/Volatile_organic_compound

    The VOC Solvents Emissions Directive was the main policy instrument for the reduction of industrial emissions of volatile organic compounds (VOCs) in the European Union. It covers a wide range of solvent-using activities, e.g. printing, surface cleaning, vehicle coating, dry cleaning and manufacture of footwear and pharmaceutical products.

  4. Test report - Wikipedia

    en.wikipedia.org/wiki/Test_report

    A test report is an official document that records the results of laboratory or field testing performed on a product, material, or system. These reports are essential in verifying compliance with safety , performance, and regulatory standards before a product is introduced to the market.

  5. National Emissions Standards for Hazardous Air Pollutants

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

    The National Emission Standards for Hazardous Air Pollutants (NESHAP) are air pollution standards issued by the United States Environmental Protection Agency (EPA). The standards, authorized by the Clean Air Act, are for pollutants not covered by the National Ambient Air Quality Standards (NAAQS) that may cause an increase in fatalities or in serious, irreversible, or incapacitating illness.

  6. Volatile Organic Compounds Protocol - Wikipedia

    en.wikipedia.org/wiki/Volatile_Organic_Compounds...

    The Protocol to the 1979 Convention on Long-Range Transboundary Air Pollution Concerning the Control of Emissions of Volatile Organic Compounds or Their Transboundary Fluxes (known as the Volatile Organic Compounds Protocol or the VOC Protocol) is a protocol to the Convention on Long-Range Transboundary Air Pollution which aims to provide for the control and reduction of emissions of volatile ...

  7. Breath gas analysis - Wikipedia

    en.wikipedia.org/wiki/Breath_gas_analysis

    Breath gas analysis is a method for gaining information on the clinical state of an individual by monitoring volatile organic compounds (VOCs) present in the exhaled breath. Exhaled breath is naturally produced by the human body through expiration and therefore can be collected in non-invasively and in an unlimited way. [ 1 ]

  8. Landfill gas monitoring - Wikipedia

    en.wikipedia.org/wiki/Landfill_gas_monitoring

    To assess whether VOCs are partitioning into groundwater in a specific location, such as a monitoring well, the headspace gas and dissolved VOC concentrations can be compared. If the Henry's Law constant multiplied by the water concentration is significantly less than the measured gas concentration, the data are consistent with VOCs ...

  9. 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 ...