PAH test News
1 news items found
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Coal-Tar-Sealant a Major Source of PAH Contamination in Milwaukee Streams
Runoff from pavement with coal-tar-based sealant is the primary source of toxic polycyclic aromatic hydrocarbons, or PAHs, to streambed sediments in Milwaukee, Wisconsin, according to a U.S. Geological Survey and Milwaukee Metropolitan Sewerage District study published today. Pavement sealant is a black, shiny liquid sprayed or painted on asphalt parking lots, driveways and playgrounds to ...
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