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01-15-2010, 11:13 PM
Coal-tar-based sealcoat -- the black, shiny substance sprayed or painted on many parking lots, driveways, and playgrounds -- has been linked to elevated concentrations of the contaminants polycyclic aromatic hydrocarbons (PAHs) in house dust. Apartments with adjacent parking lots treated with the coal-tar based sealcoat contained house dust with much higher concentrations of PAHs than apartments next to other types of parking lots according to new research.
More... (http://www.sciencedaily.com/releases/2010/01/100113112056.htm)
More... (http://www.sciencedaily.com/releases/2010/01/100113112056.htm)