Motor vehicle contributions to fine carbonaceous aerosol in Los Angeles
Journal Article
·
· Aerosol Science and Technology; (United States)
- Univ. of Cincinnati, OH (United States)
The contributions to the fine (d[sub p] < 3.5 [mu]m) carbonaceous aerosol at Duarte, CA (a suburban site near Los Angeles) and in Lennox, CA (a site next to a Los Angeles freeway) by motor vehicles were estimated in 1983 and 1987-88 using Pb and CO as tracers. In 1983 motor vehicle emissions contributed about 50% of the ambient black carbon (BC) in Duarte and 80% in Lennox. In 1987-88 this contribution was increased to about 75% in Duarte though the ambient BC concentration was decreased. In contrast, the contribution of primary motor vehicle emissions to organic carbon (OC) remained virtually unchanged at about 20% in Duarte from 1983 to 1987-88 and 45% in Lennox for 1983. 15 refs., 5 figs., 2 tabs.
- OSTI ID:
- 6829397
- Journal Information:
- Aerosol Science and Technology; (United States), Journal Name: Aerosol Science and Technology; (United States) Vol. 21:4; ISSN 0278-6826; ISSN ASTYDQ
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102 -- Chemical & Spectral Procedures
54 ENVIRONMENTAL SCIENCES
540120* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (1990-)
AEROSOLS
AIR POLLUTION
AUTOMOBILES
CALIFORNIA
CARBON
CARBON BLACK
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
COLLOIDS
COMPILED DATA
DATA
DEVELOPED COUNTRIES
DISPERSIONS
ELEMENTS
EMISSION SPECTROSCOPY
INFORMATION
ISOTOPE APPLICATIONS
LEAD COMPOUNDS
LOS ANGELES
NONMETALS
NORTH AMERICA
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
POLLUTION
SOLS
SPECTROSCOPY
TRACER TECHNIQUES
URBAN AREAS
USA
VEHICLES
400102 -- Chemical & Spectral Procedures
54 ENVIRONMENTAL SCIENCES
540120* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (1990-)
AEROSOLS
AIR POLLUTION
AUTOMOBILES
CALIFORNIA
CARBON
CARBON BLACK
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
COLLOIDS
COMPILED DATA
DATA
DEVELOPED COUNTRIES
DISPERSIONS
ELEMENTS
EMISSION SPECTROSCOPY
INFORMATION
ISOTOPE APPLICATIONS
LEAD COMPOUNDS
LOS ANGELES
NONMETALS
NORTH AMERICA
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
POLLUTION
SOLS
SPECTROSCOPY
TRACER TECHNIQUES
URBAN AREAS
USA
VEHICLES