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- Title
Statistical Modelling of the Determinants of Historical Exposure to Bitumen and Polycyclic Aromatic Hydrocarbons Among Paving Workers.
- Authors
BURSTYN, IGOR; KROMHOUT, HANS; KAUPPINEN, TIMO; HEIKKILA, PIRJO; BOFFETTA, PAOLO
- Abstract
Introduction: An industrial hygiene database has been constructed for the exposure assessment in a study of cancer risk among asphalt workers. Aim: To create models of bitumen and polycyclic aromatic hydrocarbons (PAH) exposure intensity among paving workers. Methods: Individual exposure measurements from pavers (N= 1581) were collected from 8 countries. Correlation patterns between exposure measures were examined and factors affecting exposure were identified using statistical modelling. Results: Inhalable dust appeared to be a good proxy of bitumen fume exposure. Bitumen fume and vapour levels were not correlated. Benzo(a)pyrene level appeared to be a good indicator of PAH exposure. All exposures steadily declined over the last 20 years. Mastic laying, re-paving, surface dressing, oil gravel paving and asphalt temperature were significant determinants of bitumen exposure. Coal tar use dictated PAH exposure levels. Discussion: Bitumen fume, vapour and PAH have different determinants of exposure. For paving workers, exposure intensity can be assessed on the basis of time period and production characteristics.
- Subjects
INDUSTRIAL hygiene; DATABASES; CANCER; ASPHALT; BITUMEN; POLYCYCLIC aromatic hydrocarbons; PAVEMENTS; COAL-tar colors; GRAVEL
- Publication
Annals of Occupational Hygiene, 2000, Vol 44, Issue 1, p43
- ISSN
0003-4878
- Publication type
Article
- DOI
10.1016/S0003-4878(99)00101-5