Wash Down 1 : (1) To flush away spilled flammable liquids or debris resulting from a vehicle accident. See also: Washing Down. (2) To flood burned material to assure complete extinguishment. See also: Wet Down
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}