Playground parking lots, supermarkets, and our driveways. Experts say that many of them are sealed with coal tar, a toxic substance. Grand Ledge has decided coal-tar-based sealants, following mid-Michigan’s Meridian Township and East Lansing.
Playground parking lots, supermarkets, and our driveways. Experts say that many of them are sealed with coal tar, a toxic substance. Grand Ledge has decided coal-tar-based sealants, following mid-Michigan’s Meridian Township and East Lansing.