Fireplaces, Furnaces and Vehicles as Emission Sources of Particulate Carbon

  • J. L. Muhlbaier
  • R. L. Williams


Particulate carbon in the atmosphere results from the incomplete combustion of fossil and contemporary fuels. Fuel-specific emission rates of elemental and organic carbon are presented for residential wood-burning fireplaces and gas furnaces as well as precatalyst, catalyst, and diesel automobiles. The fireplace emissions from several types of wood were collected from residential chimneys using standard EPA source-sampling procedures. Furnace emissions were collected with a laboratory setup and the effects of variations in stoichiometry and cycling rate were evaluated. Automotive emissions were collected from a dilution tunnel using two driving cycles both at sea level and high altitude. Carbon analysis was performed by several methods, including temperature programming, combustion analysis, and solvent extraction. Organic carbon associated with the particulate emissions was also tested for benzo(a)pyrene content. The emission rates and annual fuel consumption data were used to estimate the relative strength of these particulate carbon sources on a national basis.


Organic Carbon Carbon Emission Emission Rate Organic Carbon Particulate Elemental Carbon 
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Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • J. L. Muhlbaier
    • 1
  • R. L. Williams
    • 1
  1. 1.General Motors Research LaboratoriesWarrenUSA

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