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  2. Continuous emissions monitoring system - Wikipedia

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

    2 pollutant concentration monitor and a volumetric flow monitor. For NO x, both a NO x pollutant concentration monitor and a diluent gas monitor are used to determine the emissions rate in weight per volume or weight per heat value (for example lbs/million Btu, lbs/ft 3, kg/kWh or kg/m 3). Opacity measurements are sometimes required, depending ...

  3. Non-road engine - Wikipedia

    en.wikipedia.org/wiki/Non-road_engine

    Japan introduced its own standards that are similar but not harmonized to the US Tier 3 and Europe Stage III A. Brazil adopted the resolution in 2011 to set emission standards that are equivalent to US Tier 3 and European Stage III A. [4] In Australia, the definition includes some stationary engines such as electric generators and pumps. [6]

  4. Emission standard - Wikipedia

    en.wikipedia.org/wiki/Emission_standard

    Several local authorities in the UK have introduced Euro 4 or Euro 5 emissions standards for taxis and licensed private hire vehicles to operate in their area. [69] [70] [71] Emissions tests on diesel cars have not been carried out during MOTs in Northern Ireland for 12 years, despite being legally required. [72]

  5. Greenhouse gas monitoring - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas_monitoring

    Greenhouse gas monitoring is the direct measurement of greenhouse gas emissions and levels. There are several different methods of measuring carbon dioxide concentrations in the atmosphere, including infrared analyzing and manometry. Methane and nitrous oxide are measured by other instruments.

  6. 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.

  7. WELL Building Standard - Wikipedia

    en.wikipedia.org/wiki/WELL_Building_Standard

    Ventilation monitoring can be only solution if carbon dioxide level is met under 900 ppm indoor and 500 ppm outdoor. [3] A04 Construction Pollution Management topic, the contractor is to ensure that ducts are cleaned and protected from contamination. Contractor shall filter with more than 70% efficiency for particles 3-10 micrometers on the ...

  8. Environmental monitoring - Wikipedia

    en.wikipedia.org/wiki/Environmental_monitoring

    Environmental monitoring is the processes and activities that are done to characterize and describe the state of the environment. It is used in the preparation of environmental impact assessments, and in many circumstances in which human activities may cause harmful effects on the natural environment.

  9. United States building energy codes - Wikipedia

    en.wikipedia.org/wiki/United_States_building...

    Depiction of New York World Building fire in New York City in 1882. Building codes in the United States are a collection of regulations and laws adopted by state and local jurisdictions that set “minimum requirements for how structural systems, plumbing, heating, ventilation, and air conditioning (), natural gas systems and other aspects of residential and commercial buildings should be ...