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Mutagenicity of airborne particles from a nonindustrial town in Italy

Journal Article · · Environ. Mol. Mutagen.; (United States)
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The mutagenic activity of airborne particulate matter collected in Pisa, a small nonindustrial town located in Italy, has been monitored over 1 year using the Ames Salmonella Test. Airborne particulate was collected on fiberglass filters using a Hi-Vol sampler and extracted by sonication and Soxhlet acetone extraction in sequence. TA 98 and TA 100 salmonella strains gave positive results with the great majority of samples. The mutagenicity trend fits with a harmonic regression with a peak during December/January and inversely correlates with the temperature. No correlations were observed with other meteorological conditions such as wind, cloud, rainfall, atmospheric pressure, and humidity. The ratio between mutagenicity/microgram of particulate matter with S9 and that without S9 remains more or less constant regardless of seasonal fluctuations, suggesting that during cold months quantitative increases of mutagens onto particulate matter have probably occurred. The comparison of air mutagenicity in different sites suggests that motor vehicle exhaust fumes are the major source of air pollution. Finally, because of high-traffic volume, air mutagenicity at street level is comparable to that observed in several metropolitan areas all over the world.

Research Organization:
Univ. of Ferrara (Italy)
OSTI ID:
6079566
Journal Information:
Environ. Mol. Mutagen.; (United States), Journal Name: Environ. Mol. Mutagen.; (United States) Vol. 13:3; ISSN EMMUE
Country of Publication:
United States
Language:
English

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Related Subjects

500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
AIR SAMPLERS
ANIMALS
AUTOMOBILES
BACTERIA
EQUIPMENT
EUROPE
EXHAUST GASES
FLUIDS
GASEOUS WASTES
GASES
ITALY
MAMMALS
METEOROLOGY
MICROORGANISMS
MUTAGEN SCREENING
MUTATIONS
PARTICLES
PARTICULATES
POLLUTION
RATS
RODENTS
SALMONELLA
SAMPLERS
SCREENING
SEASONAL VARIATIONS
URBAN AREAS
VARIATIONS
VEHICLES
VERTEBRATES
WASTES
WESTERN EUROPE