Could your driveway be poisoning your kids?
KQED QUEST,
Parking lots coated with coal tar, a gooey black waste product of steel manufacturing, shed the coatings at a high rate. This…
Parking lots coated with coal tar, a gooey black waste product of steel manufacturing, shed the coatings at a high rate. This…
Want a spiffy-looking, seal-coated driveway? You may get more than you bargained for.