Nov 01, 1984 the numerals 1 stand for one carbon, three fluorines, no chlorine, and one bromine. Where governmentally imposed occupational exposure limits which are lower than the ael. Halon, chemical compound formerly used in firefighting. Material safety data sheet halon 1 fire extinguishing agent revision date. Pdf this paper is devoted to the problems of application of alkali and. The effectiveness of halons in extinguishing fires arises from their action in interrupting chain reactions that propagate the combustion process.
Class b fires a class b fire involves flammable liquid or gas. Relative to other fire suppressing agents, such as bromochloromethane, it is far less toxic. Because halon is a cfc, production of new halon ceased in 1994. Part number halon 1 including related part numbers and nsn starting at page 1. Halon 1 continues to be the agent of choice in the aviation community. Pure substances and mixtures with fixed composition 2. Safety data sheet file no incoming sds halon 2402 00. January 2014 page 4 of 5 high vapor concentrations are irritating to the eyes and respiratory tract and may result in central nervous system effects such as headache, dizziness, drowsiness.
In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. Fire extinguishing effect of mixed agents of halon 1. General product information causes harm to the ozone layer. Halon 1, provided the pressure relief value is incorporated.
Dichlorodifluoromethane an overview sciencedirect topics. Intermediate scale determination of extinguishment concentration and measurement of products of decomposition of selected alternatives to halon 1 riley, j. Halon 1 7% did not affect the normal sleep pattern or the general health of human subjects. The dense vapor of this material may reduce the available oxygen for.
Even though the production of halon 1 ceased in the industrialized world in 1994, the u. No haloninduced changes in serum enzymes or serum albumin or total protein levels were observed suggesting that liver function was not. The composition of the design team may be the same or similar to the. View detailed export data, price, monthly trends, major exporting countries, major ports of halon 1. Halon fire extinguishing agents are used throughout the world to protect valuable electronics, oil and gas production operations, military systems, as well as a number of other critical facilities.
The national fire protection association defines, a clean agent as an electrically nonconducting, volatile, or gaseous fire extinguishant that does not leave a residue upon evaporation. Handheld fire extinguishers halon 1211 located throughout the cabin, flight deck, crew rest compartments, and accessible cargo compartments. Halon protects computer and communication rooms throughout the electronics industry. The main acute health hazard associated with releases of this gas is asphyxiation by displacement of oxygen. I typek thermocouples were attached to cells at 4 corners and one was attached adjacent to the.
Recycled halon 1 with nitrogen page 4 of 5 issue date. This gas is heavier than air and will sink into low areas, creating an asphyxiation hazard. Corps of engineers and indicates the chemical composition of the material. Replacing halon with fm200 if youre building a new vessel or retrofitting a halon system on an existing one, the best fire protection decision you can make is to select a gielle fm200 fire suppression system. Component analysis ecotoxicity aquatic toxicity no ecotoxicity data are available for this products componen ts. Halon is used to extinguish and suppress fires in four applications on commercial airplanes. Flow of nitrogenpressurized halon 1 in fire extinguishing.
On the halon 1 argon mixed agent, the ratio, cobsccalc, decreases to 0. Safety data sheet file no incoming sds halon 2402 00 sds. Novec 1230 msds fm200 msds c02 msds statx aerosol argon halon 1 argonite halotron i power sonic battery. Southern hemisphere atmospheric concentrations of cfc12, cfc11, cfc1, sf 6, halon 1 and tritium, using data from noaa available at ftp. The h1 is capable of extracting halon from highpressure vessels, purifying it to milm12218c or iso 7201, and pumping the purified halon into storage containers. Medical conditions aggravated by exposure include heart disease or compromised heart function. January 2014 page 4 of 5 high vapor concentrations are irritating to the eyes and respiratory tract and may result in central nervous system effects such as headache, dizziness, drowsiness and, in severe exposure, loss of consciousness and death. Bromochlorodifluoromethane r12b1 methane, bromochlorodifluoro.
Halon containing equipment must be properly disposed of at the end of its useful life. Description halons are electrically nonconducting and have been acknowledged as the most effective universal extinguishing agent for aircraft use. Fire extinguishing effect of mixed agents of halon 1 and. Simulating the distribution of halon 1 in an aircraft. Halon 1211 also known as bcf and used a streaming agent, and. Halon 1 concentrations in blood at exposure termination ranged from 0. Where governmentally imposed occupational exposure limits. It has a boiling point of 4 c, and thus it is easily liquefied by pressure at room temperature and has a vapor pressure of 2. Inergen agent poses no ozone depletion or global warming potential and is warranted to comply with future environmental standards. Stability and reactivity hazardous decomposition products hydrogen fluoride hydrogen bromide free bromine carbonyl halides 11.
List of approved fire and security products and services the lpcb red book. A hcfc blend manufactured by north american fire guardian. Environmental protection agency has not yet restricted its usage in civil or military aviation operations epa, 1995. The production of halon 1 was banned in 1993 due to its negative effects on the ozone layer. A halon 1 concentration of only 7 percent by volume in air extinguishes fires by a combination of cooling and interference with the chemical reaction chain of fuel and oxygen refs. It includes only the essentials necessary to make the standard workable in the hands of those skilled in this field. Standard specification for halon 1, bromotrifluoromethane. Proper disposal means sending this equipment for halon recovery or recycling only to a facility e. Familiar examples would be gasoline, oil, propane, and natural gas. Halon, which has been in use for several decades, is most commonly found in two forms. Halon 1 fire extinguishing systems 2009 edition reference. Halon 1, freon fe 1 february 1, 1999 75638 halogenated methane halon 1, freon fe 1 bromotrifluoromethane cbrf3 72. Halons are nonconductors of electricity and can be used in fighting fires in. I cartridge heater was placed at the center of the 550 licoo 2 cell array.
It is the subject of us patent 4,807,706, dated february 28, 1989 1. However, halon 1211 and 1 chemically inhibits the flame front. What does halon fire extinguishing equipment look like. Pdf halon 1 synthesis by using fluoroxidants researchgate.
National stock numbers related to part number halon1 22 listings nsn submit rfq cage part description. Fire extinguishing effect of mixed agents of halon 1 and inert gases naoshi saito, yuko saso and yoshio ogawa national research institute of fire and disaster 141, nakahara 3chome, mitaka, tokyo 181, japan yukihisa otsu and hiroaki kikui halon recycling and banking support committee, japan. Z1255 recharging unit,monobromotrifluoromethane,pumping method alternate references. A halon may be any of a group of organohalogen compounds containing bromine and fluorine and one or two carbons. Bromotrifluoromethane halon 1, rb1 high vapor concentrations are irritating to the eyes and respiratory tract and may result in central nervous system effects such as headache, dizziness, drowsiness and, in severe exposure, loss of consciousness and death. Riley ansul fire protection the purpose of this paper is to introduce a novel fire extinguishing agent, inergen. Halon 1211 is used in fire extinguishers and is more toxic than halon 1, which is used to protect computer rooms. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. Simulating the distribution of halon 1 in an aircraft engine nacelle with hfc125 douglas a. An extinguishing gas available as a transition substance between halon and the alternatives.
Lavatory extinguisher bottles halon 1 installed in airplanes prior to 2007. Department of transportation federal aviation administration. Southern hemisphere atmospheric concentrations of cfc12, cfc11, cfc1, sf 6, halon1 and tritium, using data from noaa available at ftp. It is expected that large quantities of halon 1 will. It includes only the essentials necessary to make the standard workable in.
The two types of halon commonly found in australia are. The neutronics model h1 is the smallest, fastest, and lowest cost complete halon recycling machine available on the market. The mechanism by which halon extinguishes a fire is not thoroughly known. Backgroundintroductiongaseous compositionpressure risevalidation and halon e ectivenesssummary setup validation and halon e ect. Bromotrifluoromethane, commonly known as halon 1, rb1, halon b1 or btm, is an organic halide with the chemical formula c br f 3. Halon is a liquefied, compressed gas that stops the spread of fire by chemically disrupting combustion. Halon 1 is used only in fixed extinguisher installations typically cargo holds or engines and is a total flooding agent. None established ael is duponts acceptable exposure limit.
Bromotrifluoromethane, commonly known as halon 1, rb1, halon b1 or btm, is an. The hfc4a and hfc227ea exposures were terminated for safety reasons following unexpected and uncontrollable rapid rises in pulse rate during the inhalation exposure. Inergen is a breathable gaseous extinguishing agent based on mixtures of various inert type gases. Toxicological information acute toxicity inhalation 1hour lc50rat 770,000 ppm. Pdf halon1 further evidence of its performance as an. Halon 1 also known as btm and used as a total flooding agent.
There is no cost effective means of safely and effectively disposing of the halon. It had low odp compared to halon 1 but needed higher concentration to extinguish fires. Standard tfest method for existent gum in fuels by jet evaporation, d 38186, 1989 annual book. Halon 1 is a clear liquid with a vapor pressure of 1. The process of halon 1 synthesis, which is one of the best. Human inhalation of halon 1, hfc4a and hfc227ea for. Halon 1211 estandares ansiul alamacenados presuradizados. January 2014 page 4 of 5 inhalation may cause an increase in the sensitivity of the heart to adrenaline, which could result in irregular or rapid heartbeats. Safety data sheet file no incoming sds halon 1 00 sds. Use extinguishing media appropriate for surrounding fire. Inerting of methaneair mixutres by halon 1 cf3br and halon substitutes zlochower, i. The numerals 1 stand for one carbon, three fluorines, no chlorine, and one bromine.
Halon 1 discontinued chemical productcompany identification. The firefighting equipment or hardware that employs halon 1, the conditions of employing such equipment for example, handhelds, fixed installations, etc. Drawing down halon 1 showing the entire available supply 3. Possible adverse effects of exposure to halon 1 during firefighting in confined spaces were investigated. Ingerson august 1999 dotfaaartn9964 this document is available to the public through the national technical information service ntis, springfield, virginia 22161. Ralph brislin cpp, in the effective security officers training manual third edition, 2014. Halon 1 is and odorless or with a slightly ethereal odor and is colorless shipped as liquid under its own vapor pressure. Astm specifications for halon 1 astm d563212 standard specification for halon 1 requirements for halon 1 as a firefighting medium astm d563111 standard practice for handling, transportation and storage of halon 1 guidance and direction to suppliers, recyclers, reclaimers, purchasers, and users in the handling. In writing this report, it became apparent at the outset that even though halon 1 and halon 1211 have identical adverse effects on the environment, their employment as fire extinguishing agents is very different with halon 1 in its systems role and halon 1211 in its portable extinguisher use. However, production of halon1211 and halon1 will continue in china. The composition of inergen consists of mixtures of nitrogen, carbon dioxide, and any one of the inert gases. A local application system is a fixed, automatic or manual system which. One kilogram of halon 1211 can destroy 50 tonnes of ozone. This standard contains minimum requirements for total flooding halon 1 fire extinguishing systems.
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