smoke in any environment, not restricted to industrial smoke; can refer to smoke-filled rooms, elevators, trains, aircraft, from any source including fires, tobacco, etc.; coordinate with source of smoke (tobacco smoke = TOBACCO + SMOKE but note TOBACCO SMOKE POLLUTION is available); /adv eff: consider also SMOKE INHALATION INJURY
Scope Note
Visible gaseous suspension of carbon and other particulate matter emitted from burning substances.
