Coal-tar-based pavement sealant a major source of PAH contamination in Milwaukee streams
Green Car Congress
DECEMBER 29, 2016
Runoff from pavement with coal-tar-based sealant is the primary source of toxic polycyclic aromatic hydrocarbons (PAHs) to streambed sediments in Milwaukee, Wisconsin, according to a US Geological Survey and Milwaukee Metropolitan Sewerage District open-access study published in the journal Environmental Toxicology and Chemistry.
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