Washington-The U.S. Environmental Protection Agency said Aug. 19 it is proposing a new rule that would alter deicing practices on aircraft and at airport runways. EPA says discharges from deicing operations at airports can have major impacts on water quality, causing reductions in wildlife, contamination of drinking water sources, and impacts in residential areas and parkland. EPA is proposing requirements for control of the wastewater associated with the deicing of aircraft and pavement at more than 200 commercial airports nationwide. EPA estimates that six major airports, which are among the largest users of aircraft deicing fluid, would likely install centralized deicing pads to comply with the proposed requirements. Airports using lesser amounts of deicing fluid would collect 20 percent of the spent fluid with technologies such as glycol recovery vehicles. The estimated 50 airports that currently use urea to deice runways would use more environmentally friendly deicers or reduce the discharges of ammonia from continued use of urea. A number of airports in the country already comply with the proposed requirements. The proposed rule is open for public comment for 120 days following publication in the Federal Register. More information on the airport deicing proposed rule can be found at http://www.epa.gov/guide/airport/.
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