Study points to dangers of children's exposure to coal tar sealants

Study points to dangers of children's exposure to coal tar sealants
http://www.chicagotribune.com/health/ct-met-coal-tar-kids-20120215,0,3210022.story

"Study comes amid attempts across U.S. to ban use on playgrounds, parking lots and driveways

Children living next to driveways or parking lots coated with coal tar are exposed to significantly higher doses of cancer-causing chemicals than those living near untreated asphalt, according to a study that raises new questions about commonly used pavement sealants."