AUSTIN (KXAN) — A new report from the advocacy nonprofit Environmental Working Group (EWG) claims to have found arsenic, nitrate and hexavalent chromium, in Central Texas’ water supplies. Hexavalent ...
(The Conversation) – You might best know chromium as a bright, shiny metal used in bathroom and kitchen fittings. But is it also essential for your health? In a form known as trivalent chromium, this ...