... DrugsinDrinkingWater 221 10. 3.3 CHLORINE-BASED DISINFECTIONChlorine disinfectants, such as free chlorine and chloramines, are widely used in drinking water disinfection in the United States. ... what does and does not work in remediat- in gthepresenceofdrugsindrinkingwater.Thereisnoquestionthatsubtherapeuticdoses of these compounds are nding their way into the surface and groundwaters ... Fate of Pharmaceuticals in the Environment and in Water Treatment Systems 36. McDowell, D.C., Huber, M.M., Wagner, M., von Gunten, U., and Ternes, T.A. Ozo-nation of carbamazepine in drinking...