ARLINGTON, Va. (DC News Now) — Crews were on the scene of a water valve leak in Arlington Friday afternoon. In a post just before 2:55 p.m., the Arlington Department of Environmental Services (DES) ...

Gas compressors and pumps—leaks around valves and gasketed connections. Valve clusters in tank farms—leaking valve stems and fittings. Ductwork—fuel drawn into airstreams. Detectors in these ...