Concens About PAH Contamination Could Lead To Sealant Ban

On April 14, the Water Environment Federation co-sponsored a Capitol Hill briefing on U.S. Geological Survey studies about polycyclic aromatic hydrocarbons (PAHs) from pavement sealcoat. Stormwater washes these PAHs into lakes and streams, where they can pose risks to humans and wildlife. In response to these and similar studies, the U.S. Environmental Protection Agency and localities are considering tar sealant bans to limit water contamination with PAHs. Some cities, such as Washington, D.C., and Austin, Texas, already have banned the sealant. See the April 15 issue of This Week in Washington for more information.

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