Lake Whitney on list of urban lakes containing pollution from parking lot seal coat

Dec 6th, 2010 | By | Category: Featured Story, Health, Pollution

Lake Whitney, Hamden, Connecticut

WASHINGTON — A black sealant sprayed on parking lots, driveways and playgrounds turns out to be the largest contributor to the rise of a toxic pollutant in urban lakes and reservoirs across America, according to a new U.S. Geological Survey study.

Scientists saw concentrations of polycyclic aromatic hydrocarbons (PAHs) going up rapidly in the 1990s in areas of urban sprawl. PAHs have been known as a probable human carcinogen since the 19th century, when cancer struck chimney sweeps, said Peter Van Metre, a USGS scientist and a principal author of the report. PAHs also are toxic to fish and other aquatic plant and animal life.

via American urban lake pollution traced to parking lot seal coat | McClatchy.

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