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Sources of fine organic aerosol. 7. Hot asphalt roofing tar pot fumes


, : Sources of fine organic aerosol. 7. Hot asphalt roofing tar pot fumes. Environmental Science and Technology 31(10): 2726-2730

The organic compounds present in fine particulate roofing asphalt tar fumes are characterized using GC/MS techniques. Most of the compound mass identified consists of n-alkanes (73%). Polycyclic aromatic hydrocarbons (PAH) and thia-arenes (S-PAH) contribute nearly 8% of the identified compound mass and account for 0.57% of the total mass emissions. When compared to the PAH mass fraction determined in fine particulate exhaust emitted from catalyst-equipped automobiles ([similar] 0.5%) and heavy-duty diesel trucks ([similar] 0.1%), roofing tar pot aerosols show a PAH content similar to that of vehicular exhaust. Copyright 1997, American Chemical Society.

US$19.90

DOI: 10.1021/es960525k


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