Studying The Fate Of Drugs In Wastewater

... Acetaminophen is the most widely used pain reliever in the United States, and a study of 139 streams by the U.S. Geological Survey found that it was one of the most frequently detected man-made chemicals. Scientists at the National Institute of Standards and Technology have found that the drug readily reacts in chlorine disinfection to form at least 11 new products, at least two of which are known to be toxic. ...