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Mutagenicity of airborne particles in relation to traffic and air pollution parameters

Journal Article · · Environ. Sci. Technol.; (United States)
DOI:https://doi.org/10.1021/es00098a010· OSTI ID:5429117
 [1]; ; ;
  1. Central Inst. for Industrial Research, Oslo, Norway
+ Show Author Affiliations
The mutagenicity of airborne particlulate matter in samples taken at street and roof levels has been compared by the Salmonella/microsome assay. Only extracts of particles less than 3 ..mu..m in diameter showed mutagenic activity. The mutagenic activity of street samples was enhanced in the presence of liver microsomes, whereas the activity of roof samples was independent of S9 addition. The activity of roof samples in the presence of S9 was 5-25% of the activity of the corresponding street samples. The mutagenic activity of street samples varied with traffic intensity as did the concentration of air pollution parameters, such as CO, NO, and polycyclic aromatic hydrocarbons (PAHs). A 15-35% reduction in activity from day to night was observed for street samples, but not for roof samples. The mutagenic activity of street samples was mainly associated with polycyclic aromatic compounds. Some activity was found in an acidic fraction.
OSTI ID:
5429117
Journal Information:
Environ. Sci. Technol.; (United States), Journal Name: Environ. Sci. Technol.; (United States) Vol. 16:4; ISSN ESTHA
Country of Publication:
United States
Language:
English

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Related Subjects

560302* -- Chemicals Metabolism & Toxicology-- Microorganisms-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
AROMATICS
BACTERIA
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
ENVIRONMENTAL EFFECTS
HYDROCARBONS
MICROORGANISMS
MUTAGEN SCREENING
NITROGEN COMPOUNDS
NITROGEN OXIDES
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PARTICLE SIZE
PARTICLES
PARTICULATES
POLLUTION
POLYCYCLIC AROMATIC HYDROCARBONS
SALMONELLA
SALMONELLA TYPHIMURIUM
SCREENING
SIZE
VEHICLES