Before revision: Prevention Pollution of Water Systems In the early 1990s, pharmaceuticals were found to be present in the environment, which resulted in massive scientific research, new regulations, and public attention.Also during the 1990s, it was discovered that for the synthesis of one kilogram of an active pharmaceutical compound the amount of waste produced was fifty to hundred times that one kilogram, which was ending up in the environment.
After revision: Pollution of Water Systems In the early 1990s, pharmaceuticals were found to be present in the environment, which resulted in massive scientific research, new regulations, and public attention.Also during the 1990s, it was discovered that for the synthesis of one kilogram of an active pharmaceutical compound the amount of waste produced was fifty to hundred times that one kilogram, which was ending up in the environment.