MOBILE SOURCES OF ATMOSPHERIC POLYCYCLIC AROMATIC HYDROCARBONS: A ROADWAY TUNNEL STUDY

Suspended particulate matter samples were collected by high volume samplers in a heavily traveled roadway tunnel to characterize the mobile source emissions (diesel- and gasoline-fueled vehicles) for polycyclic aromatic hydrocarbons (PAHs). Liquid and gas chromatographic techniques were employed to isolate and quantify individual PAHs in dichloromethane extracts of Teflon and glass-fiber filters. Mobile-source PAH emission estimates were generated from the particle- and vapor-phase samples collected in the tunnel and agree with emission estimates reported previously for roadway tunnels in Japan. Factor analysis of PAH concentrations from 47 filter samples yielded two factors; one of which possibly represented the diesel-fueled vehicles (heavy-duty trucks) and the other, either gasoline-fueled vehicles or a composite of the gasoline and diesel sources.

• Corporate Authors:

  National Institute of Standards and Technology

  Organic Analytical Research Division
  Gaithersburg, MD  United States  20760
• Authors:
  • Benner, B A
  • Gordon, G E
  • Wise, S A
• Publication Date: 1989

Media Info

• Pagination: 10 p.

Subject/Index Terms

• TRT Terms: Aromatic hydrocarbons; Fiberglass; Filters; Glass fibers; Highway operations; Hydrocarbons; Pollutants; Polytetrafluoroethylene; Solids; Suspended sediments; Suspensions (Chemistry); Tunnels; Vehicular tunnels
• Uncontrolled Terms: Suspended solids
• Old TRIS Terms: Tunnel traffic operations
• Subject Areas: Bridges and other structures; Highways;

Filing Info

• Accession Number: 00495248
• Record Type: Publication
• Source Agency: National Technical Information Service
• Files: TRIS
• Created Date: Jul 31 1990 12:00AM