source: environmentalhealthnews.org

When children encounter long-forgotten stashes of liquid mercury, schools have to shut down for days or weeks and the toxic trail left in classrooms, buses, homes and communities costs hundreds of thousands of dollars to clean up. Found in many old science labs and used in some cultural ceremonies, mercury triggered more than 37,000 calls to U.S. poison control centers in a five-year period. One specialist found traces in 40% of schools tested…read the full story