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Halon 1211 is still widely used in the United States, despite its high cost, with the US military being the biggest user. Europe and Australia have banned its use for all but "critical applications" such as aviation, military, and police use. The manufacture of UL Listed halon 1211 extinguishers was supposed to cease in October 2009. The future ...
Retrospective video on the Montreal Protocol and the collaboration between policy-makers, scientists, and industry leaders to regulate CFCs. The Montreal Protocol on Substances That Deplete the Ozone Layer is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ...
Currently banned. Individual. Nationality. Occupation. Reason (s) for ban. Hamid Aboutalebi. Iran. Diplomat and envoy to the United Nations. Played a role as a translator for the militants who stormed the American Embassy in Tehran in 1979 and held 52 American citizens hostage for 444 days.
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Halon systems are among the most effective and commonly used fire protection systems used on commercial aircraft. Halon 1301 is the primary agent used in commercial aviation engine, cargo compartments, and auxiliary power unit fire zones. [9] [10] Efforts to find a suitable replacement for Halon 1301 have not produced a widely accepted replacement.
UNEP banned the use of Halon gases in the Montreal Protocol treaty in 1987 due to ozone depletion and the ozone-depleting effect of Halon gases. Developing countries were granted an extension to still use Halon until 2010. After 2010 UNEP recommended that those countries replace Halon with ozone friendly alternatives.
As of 2023, due to ozone depletion problems, halon fire extinguishers are largely banned in some countries and alternatives are being deployed by the US military. [ 12 ] Halon 1301 total flooding systems are typically used at concentrations no higher than 7% by volume in air, and can suppress many fires at 2.9% v/v.
7. Twinkies. When it comes to snack cakes, Twinkies are one of America's most iconic, but they are not a universal treat. Overseas, these cream-filled spongecakes are banned because they contain ...