Polycyclic Aromatic Hydrocarbons in Indoor and Outdoor Environments and Factors Affecting Their Concentrations

A highly sensitive analytical method for the simultaneous determination of 39 gaseous and particulate polycyclic aromatic hydrocarbons (PAHs) was used to determine the PAH composition of indoor and outdoor air in Shimizu, Japan. In both indoor and outdoor air, gaseous PAH concentrations were higher...

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Bibliographic Details
Published in:Environmental science & technology 2004-01, Vol.38 (1), p.77-83
Main Authors: Ohura, Takeshi, Amagai, Takashi, Fusaya, Masahiro, Matsushita, Hidetsuru
Format: Article
Language:English
Subjects:
Air Pollutants - analysis
Air Pollution, Indoor - analysis
Air. Soil. Water. Waste. Feeding
Applied sciences
Atmospheric pollution
Biological and medical sciences
Chemical contaminants
Construction Materials
Environment. Living conditions
Exact sciences and technology
Gases
Humans
Indoor air quality
Indoor pollution and occupational exposure
Inhalation Exposure
Medical sciences
Outdoor air quality
Pollutants physicochemistry study: properties, effects, reactions, transport and distribution
Pollution
Polycyclic aromatic hydrocarbons
Polycyclic Aromatic Hydrocarbons - analysis
Public health. Hygiene
Public health. Hygiene-occupational medicine
Risk Assessment
Seasons
Smoking
Studies
Wood
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Summary:A highly sensitive analytical method for the simultaneous determination of 39 gaseous and particulate polycyclic aromatic hydrocarbons (PAHs) was used to determine the PAH composition of indoor and outdoor air in Shimizu, Japan. In both indoor and outdoor air, gaseous PAH concentrations were higher in summer than in winter, whereas particulate PAH concentrations were higher in winter than in summer. Correlation analysis indicated that indoor PAH compositions, especially the gaseous PAH composition, differed significantly from outdoor PAH compositions. Gaseous PAH concentrations indoors were significantly affected by insect repellents and heating sources. Particulate PAH concentrations indoors were significantly affected by cigarette smoking, the age and type (wood) of the house, and outdoor PAH concentrations. Inhalation risk associated with carcinogenic PAHs was estimated by using toxic equivalency factors based on the potency of benzo[a]pyrene (BaP). The carcinogenicity of the indoor PAH mixture was dominated by naphthalene followed by BaP and dibenz[a,h]anthracene.
ISSN:0013-936X
1520-5851
DOI:10.1021/es030512o