THE EFFECTS OF WATER MIST ON INTERIOR FIREFIGHTING
BY CHRISTIAN DUBAY
While water mist fire protection systems have gained some successful experience in Europe, they have failed to achieve much attention in the United States until recent years. This initial lack of interest stems from the reliance on a combination of separate systems including halon; carbon dioxide (CO2); and, to a lesser extent, an array of traditional sprinkler systems and other water spray protection schemes. However, in view of the recent findings concerning halon`s negative impact on the environment in conjunction with the life-safety risks posed by the actuation of CO2 systems, steps have been taken to restrict the use of CO2 systems while phasing out halon systems entirely. As a result, research efforts began in the late 1980s to find a suitable replacement system to deal with the hazards most typically protected by CO2 or halon.
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