Toxic chemical discharge threatens the safety of Pittsboro’s drinking water WRAL – 4–5 minutes ( https://www.wral.com/story/toxic-chemical-discharge-threatens-the-safety-of-pittsboro-s-drinking-water/21066790/ ) Burlington officials are investigating the source of an industrial chemical found in the Haw River. High levels of 1-4-dioxane, a probable carcinogen shown…