Chemical Smell at Control Center Delays Traffic at Washington and Baltimore Airports The New York TimesGround stop impacted airports, including BWI-Marshall | Here's why WBAL-TVPassengers face hours-long delays across DC-area airports after equipment malfunction at air traffic control center CNNFlights halted at DC airports after chemical smell YahooFAA orders ground delay at BWI, 3 other airports after strong odor disrupts operations WBFF
