FAA Lifted Brief Ground Stop Affecting Several Regional Airports In Washington, D.C. Area The Federal Aviation Administration (FAA) lifted a brief ground stop late Friday affecting BWI and several regional airports after another odor incident at the Potomac TRACON air traffic control facility. A chemical odor forced evacuation of the facility, which handles air traffic control for the region. Officials evacuated the facility as a precaution, halting operations in the surrounding airspace. This was the second evacuation of the TRACON facility in two weeks due to unusual odors.
