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2. Firefighting foam - Wikipedia

   en.wikipedia.org/wiki/Firefighting_foam

   Firefighting foam is a foam used for fire suppression. Its role is to cool the fire and to coat the fuel, preventing its contact with oxygen, thus achieving suppression of the combustion. Firefighting foam was invented by the Moldovan engineer and chemist Aleksandr Loran in 1902. [1] The surfactants used must produce foam in concentrations of ...

3. 1,1,1,2,3,3,3-Heptafluoropropane - Wikipedia

   en.wikipedia.org/wiki/1,1,1,2,3,3,3...

   Effective fire suppression requires introducing a concentration of the HFC-227ea agent between 6.25% and 9% depending on the hazard being suppressed. Its NOAEL for cardiac sensitization is 9%. The United States Environmental Protection Agency allows concentration of 9% volume in occupied spaces without mandated egress time, or up to 10.5% for a ...

4. Phos-Chek - Wikipedia

   en.wikipedia.org/wiki/Phos-Chek

   Concerns have been raised that Phos-Chek harms fish and aquatic life; and that it causes long-term effects on soils, insects, and microbiology. [13] A group based in Oregon called Forest Service Employees for Environmental Ethics sued the U.S. Forest Service, claiming the service violated the Clean Water Act by spraying Phos-Chek without assessing the product's harmful effects on waterways.

5. Fire retardant - Wikipedia

   en.wikipedia.org/wiki/Fire_retardant

   Fire retardant dispersed aerially onto brush adjoining a firebreak to contain the Tumbleweed Fire in California, in July 2021. A fire retardant is a substance that is used to slow down or stop the spread of fire or reduce its intensity. This is commonly accomplished by chemical reactions that reduce the flammability of fuels or delay their ...

6. Bromotrifluoromethane - Wikipedia

   en.wikipedia.org/wiki/Bromotrifluoromethane

   Bromotrifluoromethane, commonly referred to by the code numbers Halon 1301, R13B1, Halon 13B1 or BTM, is an organic halide with the chemical formula C Br F 3. It is used for gaseous fire suppression as a far less toxic alternative to bromochloromethane .

7. Attorney general sues chemical makers, marketers over ... - AOL

   www.aol.com/attorney-general-sues-chemical...

   Wilson’s lawsuit, filed in state court Tuesday, says firefighting foam contained so-called forever chemicals that the manufacturers and distributors knew would contaminate the environment, even ...