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Most chemical fire retardants are organic halides (haloalkanes) such as Halon and PhostrEx, which are proven to be toxic. During 1980s, the most commonly used fire retardant material was penta-bromodiphenyl ether. It was banned by the US Government due to its potential health and environment concerns.
27 wrz 2021 · In an email statement, the Forest Service reiterated that wildland fire retardant is safe and effective, allowing firefighters on the ground to employ additional means of suppressing fire and offering support in areas where steep terrain prevents access by ground crews.
Aerially applied fire retardant and other fire chemicals reduces wildfire intensity and rate of spread, decreasing risks to firefighters, enabling them to construct fireline safely. In many situations, the use of retardant in concert with firefighters on the ground allows the Forest Service to safely meet its responsibilities to protect ...
1 sty 2004 · Among these substances are the various types of long-term forest fire retardant, which maintain their ability to alter combustion when the water has been removed by evaporation.
3 dni temu · Frequent and severe wildfires have led to increased application of fire suppression products (long-term fire retardants, water enhancers, and Class A foams) in the American West. While fire suppressing products used on wildfires must be approved by the U.S. Forest Service, portions of their formulations are trade secrets. Increased metals content in soils and surface waters at the wildland ...
15 lip 2010 · Steel is coated with flame-retardant formulations to provide thermal insulation in the case of fire, in order to prevent the rapid collapse of a steel structure; flame retardants are also used in forest fire fighting to reduce the speed of fire spread.
23 lip 2021 · Today, phosphate-based retardants continue to be recognized by the scientific community as the most effective wildland fire retardants; they offer significantly higher recovery rates than water or retardants based on other chemical solutions.
