Basketball court with coal-tar-based sealcoat
Detailed Description
Coal-tar-based pavement sealcoat, used here on a basketball court, is a potent source of polycyclic aromatic hydrocarbons (PAHs) to the environment. Coal-tar-based sealcoat products typically are 20-35% coal-tar pitch, a known human carcinogen. PAH-rich sealcoat particles can be tracked indoor, where they become incorporated into house dust. Find USGS research on PAHs and coal-tar sealcoat here.
Sources/Usage
Public Domain.