What specific environmental regulations govern the disposal of used de-icing fluid collected from the ramp area?

The disposal of used de-icing fluid collected from the ramp area is governed by a range of environmental regulations, primarily aimed at preventing water pollution and protecting aquatic life. In the United States, the Clean Water Act (CWA) is the primary federal law regulating the discharge of pollutants into waterways. Used de-icing fluid, which contains glycols and other additives, is considered a pollutant under the CWA. Airports are typically required to obtain a National Pollutant Discharge Elimination System (NPDES) permit, which sets limits on the amount of pollutants that can be discharged into waterways. The NPDES permit will specify requirements for collecting, treating, and disposing of used de-icing fluid. Many states also have their own environmental regulations that govern the disposal of used de-icing fluid. These state regulations may be more ....