Journal article
Volatilization of Polychlorinated Biphenyls from Green Bay, Lake Michigan
Environmental science & technology, Vol.27(1), pp.75-87
1993
DOI: 10.1021/es00038a007
Abstract
The volatilization of polychlorinated biphenyls (PCBs) from Green Bay was estimated as part of the Green Bay Mass Balance Study (U.S. Environmental Protection Agency). The strategy employed was to simultaneously collect air and water samples above and below the air-water interface, analyze the at mospheric gas phase and the water column dissolved phase for 85 PCB congeners, and calculate the direction and magnitude of flux for each congener using Henry's law and meteorological and hydrological parameters. Sampling covered the period of June through October 1989. Air-water transfer rates were calculated for the 14 individual days spanning the three cruises by using the stagnant two-film model. Calculated total PCB volatilization rates ranged from 13 to 1300 ng/sq m/d. The most important factors affecting the magnitude of the flux are wind speed and water concentration. The range of fluxes calculated compares well with other estimates for the Great Lakes. The results support the hypothesis that volatilization is an important phenomenon controlling the fate of hydrophobic organic chemicals in aquatic systems. (See also W93-06215) (Author's abstract)
Details
- Title: Subtitle
- Volatilization of Polychlorinated Biphenyls from Green Bay, Lake Michigan
- Creators
- Diane R AchmanKeri C. Hornbuckle - University of IowaSteven J Eisenreich
- Resource Type
- Journal article
- Publication Details
- Environmental science & technology, Vol.27(1), pp.75-87
- DOI
- 10.1021/es00038a007
- ISSN
- 0013-936X
- Language
- English
- Date published
- 1993
- Academic Unit
- Civil and Environmental Engineering; Occupational and Environmental Health
- Record Identifier
- 9983557370702771
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