After a years-long fight, EPA broadens ban on deadly chemical

It can kill on the spot or years after prolonged exposure. When methylene chloride’s fumes build up, the chemical switches off the brain’s respiratory center, asphyxiating its victims if it doesn’t trigger a heart attack first. At lower levels, the federal government says, it increases the risk of multiple types of cancer. And despite a […] The post After a years-long fight, EPA broadens ban on…