“Green Think” – 2
Before getting to the main topic of today’s post, let me say the City of Annapolis, MD, has recently done a very good deed at long last: it has banned coal tar sealant (coal tar or PAHs–polycyclic aromatic hydrocarbons) from …
Before getting to the main topic of today’s post, let me say the City of Annapolis, MD, has recently done a very good deed at long last: it has banned coal tar sealant (coal tar or PAHs–polycyclic aromatic hydrocarbons) from …