Variations of polychlorinated biphenyls and polycyclic aromatic hydrocarbons in southern Lake Michigan surface waters
Conference
·
OSTI ID:462559
- Univ. of Maryland, Solomons, MD (United States)
Surface water samples were collected near Chicago to determine if atmospheric contaminants in urban areas result in elevated water column concentrations. Samples taken in time series reveal seasonal variations in partitioning and surface water concentrations. Southwest winds passing over the Chicago metropolitan area caused an increase in surface water polychlorinated biphenyl (PCB) concentrations in near shore southern Lake Michigan. Furthermore, surface water PCB concentrations varied seasonally with higher concentrations during winter. Southwest winds passing over the Chicago metropolitan area did not cause an appreciable increase in surface water concentrations of polycyclic aromatic hydrocarbons (PAHs) in near shore Southern Lake Michigan surface waters. Only particle bound PAH concentrations varied seasonally with higher suspended particulate concentrations accounting for most of the increase.
- OSTI ID:
- 462559
- Report Number(s):
- CONF-961149--
- Country of Publication:
- United States
- Language:
- English
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