Effect of Söderberg Smelting Technology, Anode Paste Composition, and Work Shift on the Relationship Between Benzo[a]pyrene and Individual Polycyclic Aromatic Hydrocarbons

This follow-up study of Farant and Gariepy study investigates the relationship between benzo[a]pyrene (B[a]P) and other polycyclic aromatic hydrocarbons (PAHs) found in coal tar pitch volatiles in two types of Söderberg aluminum smelters-horizontal and vertical stud. The study confirms the strong re...

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Bibliographic Details
Published in:Journal of occupational and environmental hygiene 2005-02, Vol.2 (2), p.65-72
Main Authors: Sanderson, Eric G., Kelly, Peter J., Farant, Jean-Pierre
Format: Article
Language:English
Subjects:
Aluminum
aluminum smelter
Benzo(a)pyrene - analysis
benzo[a]pyrene
Coal
Cost Control
Effects
Environmental Monitoring
Health risk assessment
Humans
Incineration
Industrial Waste
Metallurgy
Metalworking industry
Occupational Exposure
Polycyclic aromatic hydrocarbons
Polycyclic Aromatic Hydrocarbons - analysis
relative abundance ratios
Studies
Volatilization
Workplace
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Summary:This follow-up study of Farant and Gariepy study investigates the relationship between benzo[a]pyrene (B[a]P) and other polycyclic aromatic hydrocarbons (PAHs) found in coal tar pitch volatiles in two types of Söderberg aluminum smelters-horizontal and vertical stud. The study confirms the strong relationships between B[a]P and total PAHs, and that B[a]P was a good indicator for other PAHs in this industry. The PAH profiles were consistent within each smelter, but the smelter technology used and the changes in the raw material formulation resulted in significantly different profiles. B[a]P toxic equivalency factors for emitted PAH mixtures were greater in the horizontal stud smelter than in the vertical stud smelter. Overall, this study illustrates the potential usefulness of B[a]P relative abundance ratios to simplify exposure assessment in the workplace and reduce associated costs.
ISSN:1545-9624
1545-9632
DOI:10.1080/15459620590906801