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PAHs/Coal Tar Sealants Effects on Environment & Human Health
Автор: USGS
Загружено: 2014-07-16
Просмотров: 3189
Описание:
http://gallery.usgs.gov/videos/820
Webinar on USGS research findings on Polycyclic Aromatic Hydrocarbons (PAH) contamination associated with coal-tar-based sealants and implications for environmental and human health. Dr. Spencer Williams explains how these sealants are an important source of PAH exposure for children in affected environments, and may create excess cancer risk for persons who live in these areas.
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