Assertion: chlorofluorocarbon | /r/HasProperty | cfc
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Source sentences:
text: Chlorofluorocarbon (CFC), any of several organic compounds composed of carbon, fluorine, and chlorine.
text: Chlorofluorocarbons, also known as CFCs, consist of chemical compounds made up of chlorine, fluorine and carbon.
text: A chlorofluorocarbon (CFC) is a molecule that contains the elements carbon, chlorine, and fluorine.
text: Chlorofluorocarbon (CFC) is an organic compound that contains carbon, chlorine, and fluorine, produced as a volatile derivative of methane and ethane.
text: A chlorofluorocarbon (CFC) is an organic compound that contains only C, Cl, and F, produced as a volatile derivative of methane, ethane, and propane.
text: Since R12 has the molecules of chlorine and fluorine, it is called as chlorofluorocarbon (CFC).
text: This product, using technology developed by the military to dispense insecticides, was a pressurized spray containing about 1% perfume, 24% alcohol or other solvents, and 75% chlorofluorocarbon (CFC) propellant.
text: Chlorofluorocarbon (CFC) is an organic compound that contains carbon, chlorine, and fluorine, produced as a volatile derivative of methane and ethane.
text: Older air conditioners and major appliances often use a type of chlorofluorocarbon (CFC) that damages the earth’s protective ozone layer.
text: In 2005, the US Food and Drug Administration announced the ban of chlorofluorocarbon (CFC) albuterol inhalers by December 31, 2008.
text: Some types of foam insulation, such as polyurethane and polyisocyanurate are blown with heavy gases such as chlorofluorocarbons (CFC) or hydrochlorofluorocarbons (HFCs).
text: The poisonous ammonia gas which was used as a coolant in the first fridges was later replaced by chlorofluorocarbon (CFC).
text: The inert nature of many haloalkanes, chlorofluorocarbons (CFC) and hydrochlorofluorocarbons (HCFC), particularly CFC-11 and CFC-12, made them preferred choices among refrigerants for many years because of their non-flammability and non-toxicity.
text: The original impetus was to eliminate chlorofluorocarbons (CFC), which was a former component of foam.
text: Included within the definition of ODS are the chlorofluorocarbons (CFC) and
text: Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) are fully or partly halogenated paraffin hydrocarbons that contain only carbon (C), hydrogen (H), chlorine (Cl), and fluorine (F), produced as volatile derivative of methane, ethane, and propane.
text: Chlorofluorocarbons (CFCs): when derived from methane and ethane these compounds have the formulae CCl m F 4−m and C 2 Cl m F 6−m , where m is nonzero.
text: Chlorofluorocarbons (CFCs) are anthropogenic compounds that have been released into the atmosphere since the 1930s in various applications such as in air-conditioning, refrigeration, blowing agents in foams, insulations and packing materials, propellants in aerosol cans, and as solvents.
text: An environmental legacy of the twentieth century is the use of gaseous compounds called chlorofluorocarbons (CFCs, which are also known as Freon) in a variety of household and personal products.
text: Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) were developed in the US in the early 20th century and became widely used as refrigerants and for making plastic foams producing refrigerators and freezers until the early 1990s, when it was found that these chlorinated gases damaged the ozone layer.
text: Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) were developed in the US in the early 20th century and became widely used as refrigerants and for making plastic foams producing refrigerators and freezers until the early 1990s, when it was found that these chlorinated gases damaged the ozone layer.
text: What are Chlorofluorocarbons (CFCs)?
text: Chlorofluorocarbons (CFCs) are a group of odorless manufactured chemicals.
text: Chlorofluorocarbons (CFCs) react with the ozone layer, causing a hole that exposes the surface of the earth to stronger UV radiation.
text: Developed in the 1920s, chlorofluorocarbons (CFCs) served initially as refrigerants but were eventually used in hair sprays, deodorants and many more everyday products.
text: Chemicals called chlorofluorocarbons (CFCs) are a reason we have a thinning ozone layer.
text: Chlorofluorocarbons (CFCs) are a family of chemical compounds developed back in the 1930’s as safe, non-toxic, non-flammable alternative to dangerous substances like ammonia for purposes of refrigeration and spray can propellants.
text: Chlorofluorocarbons (CFCs) are highly stable compounds that were used as propellents in spray cans and in refrigeration units.
text: The invention of chlorofluorocarbons (CFCs) in the late 1920s and early 1930s stemmed from the call for safer alternatives to the sulfur dioxide and ammonia refrigerants used at the time, CFCs found wide application after World War II.
text: Chlorofluorocarbons (CFCs): when derived from methane and ethane these compounds have the formulae CCl
text: Chlorofluorocarbons (CFCs) are anthropogenic compounds that have been released into the atmosphere since the 1930s in various applications such as in air-conditioning, refrigeration, blowing agents in foams, insulations and packing materials, propellants in aerosol cans, and as solvents.
text: Chlorofluorocarbons (CFCs) are to blame for global warming since the 1970s and not carbon dioxide, according to a researcher from the University of Waterloo in a controversial new study published in the International Journal of Modern Physics B this week.
text: The main cause of ozone depletion and the ozone hole is manufactured chemicals, especially manufactured halocarbon refrigerants, solvents, propellants and foam-blowing agents (chlorofluorocarbons (CFCs), HCFCs, halons), referred to as ozone-depleting substances (ODS).
text: This fact plus the amount of chlorine released into the atmosphere yearly by chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) demonstrates the danger of CFCs and HCFCs to the environment.
text: Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion.
text: Chlorofluorocarbons (CFCs)
text: Chlorofluorocarbons (CFCs)
text: Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine.
text: Chlorofluorocarbons (CFCs)
text: Chlorofluorocarbons ( CFCs ) and hydrochlorofluorocarbons ( HCFCs ) are fully or partly halogenated paraffin hydrocarbons that contain only carbon (C), hydrogen (H), chlorine (Cl), and fluorine (F), produced as volatile derivative of methane , ethane , and propane .
text: In the 1980s, the air freshener market shifted away from aerosols, due to concerns over the destruction of the ozone layer by chlorofluorocarbons (CFCs).
text: Other greenhouse gases include methane —which comes from such sources as landfills, the natural gas industry, and gas emitted by livestock—and chlorofluorocarbons (CFCs), which were used in refrigerants and aerosol propellants until they were banned in the late 1980s because of their deteriorating effect on Earth's ozone layer.
text: Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) were developed in the US in the early 20th century and became widely used as refrigerants and for making plastic foams producing refrigerators and freezers until the early 1990s, when it was found that these chlorinated gases damaged the ozone layer.
text: Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) were developed in the US in the early 20th century and became widely used as refrigerants and for making plastic foams producing refrigerators and freezers until the early 1990s, when it was found that these chlorinated gases damaged the ozone layer.
text: These gases, which occur naturally in the atmosphere, include carbon dioxide, methane, nitrogen oxide, and fluorinated gases sometimes known as chlorofluorocarbons (CFCs).
text: ODS include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), halons, methyl bromide, carbon tetrachloride, hydrobromofluorocarbons, chlorobromomethane, and methyl chloroform.
text: Although ozone depleting substances, they are less potent at destroying stratospheric ozone than chlorofluorocarbons (CFCs).
text: Carbon tetrachloride was widely used as a raw material in many industrial uses, including the production of chlorofluorocarbons (CFCs), and as a solvent.
text: ODS include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), halons, methyl bromide, carbon tetrachloride, hydrobromofluorocarbons, chlorobromomethane, and methyl chloroform.
text: Those chemicals, once freed by UV radiation from the chlorofluorocarbons (CFCs) and other halocarbons (carbon-halogen compounds) that contain them, destroy ozone by stripping away single oxygen atoms from ozone molecules.
text: Distribution of emissions of chlorofluorocarbons (CFCs) 11, 12, 113, 114, and 115 among reporting and non-reporting countries in 1986.
text: Feasibility study for the potential use of biocatalytic systems to destroy chlorofluorocarbons (CFCs).
text: In addition, the carbon footprint concept also often includes the emissions of other greenhouse gases , such as methane , nitrous oxide , or chlorofluorocarbons (CFCs).
text: In 1974, Mexican chemist Mario Molina and U.S. chemist Sherwood Rowland predicted that common halocarbon refrigerants, the chlorofluorocarbons (CFCs), would accumulate in the upper atmosphere and destroy protective ozone (Molina & Rowland 1974).
text: Chemicals called chlorofluorocarbons (CFCs) are a dangerous form of air pollution that governments worked to reduce in the 1980s and 1990s.
text: In 1975, SC Johnson shocked the chemical industry and set new heights for environmental leadership when we became the first company to ban chlorofluorocarbons (CFCs) from our aerosol products worldwide.
text: Freon” is a trademark name that has been used to refer to several different refrigerants, including chlorofluorocarbons (CFCs) such as CFC-12, and hydrochlorofluorocarbons (HCFCs) such as HCFC-22, which is often referred to as “R-22.”
text: ODS include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), halons, methyl bromide, carbon tetrachloride, hydrobromofluorocarbons, chlorobromomethane, and methyl chloroform.
text: To establish a proper regulation strategy on the emissions of major halocarbons including chlorofluorocarbons (CFCs), carbon tetrachloride (CCl 4 ), hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs), it is essential to assess their environmental behavior in relation to social and technological changes for their control.
text: Chlorofluorocarbons (CFCs) have been used extensively in last five or six decades as refrigerants in the vapor compression cycle to
text: An article published in Nature on 20th January highlights the good news regarding chlorofluorocarbons (CFCs).
text: Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) are fully or partly halogenated paraffin hydrocarbons that contain only carbon (C), hydrogen (H), chlorine (Cl), and fluorine (F).
text: Most polystyrene foam products never were made using chlorofluorocarbons (CFCs) as a blowing agent.
text: It’s important to note that foam foodservice products are manufactured without chlorofluorocarbons (CFCs)  or any other ozone-depleting chemicals.
text: This was linked to the increased use of chemicals such as Chlorofluorocarbons (CFCs) in refrigeration, industrial cleaning, foam blowing and air conditioning (ref UNEP 2010).
text: Chlorofluorocarbons (CFCs).
text: Up until the 1980s, a lot of liquefied-gas aerosol cans used chlorofluorocarbons (CFCs) as a propellant.
text: Production of carbon tetrachloride was not seriously affected in the long run by this ban, however, as a new use was found for the chemical: the manufacture of chlorofluorocarbons (CFCs).
text: Chlorofluorocarbons (CFCs) were once used in aerosols, refrigerators, air conditioners, foam food packaging, and fire extinguishers.
text: Scientists are commemorating the discovery 20 years ago that man-made chlorofluorocarbons (CFCs) used chiefly in refrigerators and air-conditioners were responsible for creating the "ozone hole" over the Antarctic.
text: The Montreal Protocol, an international agreement signed in 1987 to stop chlorofluorocarbons (CFCs) destroying the ozone layer, now appears to be the first international treaty to successfully slow the rate of global warming.
text: Over a period of many years, the rise in temperature would release greenhouse gases, such as chlorofluorocarbons (CFCs), which you can find in your air conditioner or refrigerator.
text: Hydrochlorofluorocarbon compounds are intermediate compounds being used by developing nations in the phase out of chlorofluorocarbons (CFCs), due to their energy efficiency and low toxicity.
text: Atmospheric chlorine derived from chlorofluorocarbons (CFCs) converts ozone to oxygen molecules.
text: They are part of a family of chemicals known as chlorofluorocarbons (CFCs).
text: Chlorofluorocarbons (CFCs) were once often used as propellants, but since the Montreal Protocol came into force in 1989, they have been replaced in nearly every country due to the negative effects CFCs have on Earth's ozone layer.
text: Chlorofluorocarbons (CFCs) are hydrocarbons in which some or all of the hydrogen atoms are replaced by chlorine and fluorine.
text: In 1976, atmospheric research revealed that the ozone layer was being depleted by chemicals released by industry, mainly chlorofluorocarbons (CFCs).
text: While there are natural sources for all of these species, the concentrations of chlorine and bromine increased markedly in recent decades because of the release of large quantities of man-made organohalogen compounds, especially chlorofluorocarbons (CFCs) and bromofluorocarbons.
text: In 1974, Sherwood Rowland, a professor of chemistry at the University of California, Irvine, and Mario Molina, a Mexican post-doctoral associate in his laboratory, authored a paper in the journal Nature outlining how chlorofluorocarbons (CFCs) could play a role in interfering with the ozone cycle.
text: Dichlorodifluoromethane (DIE-klor-oh-DIE-floor-oh-METH-ane) belongs to a family of compounds called the chlorofluorocarbons (CFCs) that consist of carbon, chlorine, and fluorine atoms in varying arrangements.
text: But it was not clear whether the closure was a direct result of the Montreal Protocol, which was signed by all countries of the world in 1985 phasing out chlorofluorocarbons (CFCs).
text: At one time, a large amount of chlorine was used to make a group of compounds known as chlorofluorocarbons (CFCs).
text: The largest imported quantities were of hydrochlorofluorocarbons (HCFCs) (52 % when expressed in metric tonnes), methyl bromide (MB), chlorofluorocarbons (CFCs) and bromochloromethane (BCM) and virgin carbon tetrachloride (CTC) and virgin CFCs when expressed in ODP tonnes.
text: Rather, it is manufactured industrially in large amounts for use as a solvent to dissolve other organic materials or as a raw material in the production of chlorofluorocarbons (CFCs) used as aerosol propellants and refrigeration fluids.
text: Chlorofluorocarbons (CFCs)
text: Chlorofluorocarbons (CFCs) are a group of odorless manufactured chemicals.
text: These chemicals, chlorofluorocarbons (CFCs), peaked in the year 2000 and began coming down due to actions taken to save the protective ozone layer beginning in the1980s.
text: You are probably aware of the danger posed to the earth's protective stratospheric ozone layer by the use of chlorofluorocarbons (CFCs) as refrigerants and propellants in aerosol spray cans.
text: Under the Protocol, nations phased out chlorofluorocarbons (CFCs) – a class of compounds that were used mostly in aerosol sprays, refrigerants, foams and as solvents, and were damaging the protective ozone layer that shields the planet from harmful ultraviolet radiation.
text: The basics of the science of strato-spheric ozone and its depletion by chlorofluorocarbons (CFCs) are illustrated schematically in figure 1.
text: In May 2018, a startling study revealed that there was an "unexpected and persistent increase" of chlorofluorocarbons (CFCs) in the atmosphere.
text: For instance, chlorofluorocarbons (CFCs) in the atmosphere start a chain of chemical reactions on aerosol surfaces that destroy ozone molecules in the mid-latitude stratosphere, intensifying observed stratospheric ozone depletion.
text: Chlorofluorocarbons (CFCs): A family of chemical compounds consisting of carbon, fluorine, and chlorine.
text: In particular, a group of compounds known as the chlorofluorocarbons (CFCs) were suspected.
text: We present the distributions of two chlorofluorocarbons (CFCs)
text: ODS include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), halons, methyl bromide, carbon tetrachloride, hydrobromofluorocarbons, chlorobromomethane, and methyl chloroform.
text: Carbon tetrachloride was widely used as a raw material in many industrial uses, including the production of chlorofluorocarbons (CFCs), and as a solvent.
text: The griping has become more common since a ban on chlorofluorocarbons (CFCs) in albuterol metered dose inhalers (MDIs) took effect on Jan. 1.
text: Chlorofluorocarbons (CFCs) were developed in the 1930s.
text: These include the chlorofluorocarbons (CFCs) that cause ozone depletion and HCFCs (such as chlorodifluoromethane).
text: Chlorofluorocarbons (CFCs) [ edit ]
text: Chlorofluorocarbons (CFCs) are to blame for global warming since the 1970s and not carbon dioxide, according to new research from the University of Waterloo published in the International Journal of Modern Physics B this week.
text: The Montreal Protocol of 1987 phased out production of ozone-destroying substances such as chlorofluorocarbons (CFCs).
text: Chlorofluorocarbons (CFCs), now recognized as ozone depleting substances (ODS), were hailed for being safe, friendly, and widely applicable when first invented about the same time that the benefits of the ozone layer were discovered.
text: These atoms come from man-made halocarbon refrigerator gases (chlorofluorocarbons [CFCs], freons and halons) which are emitted at ground level but move up into the ozone layer.
text: The size of the hole is what is of concern and is caused by chlorofluorocarbons (CFCs) and halogens from human industry.
text: The culmination of their work was a class of chemicals called chlorofluorocarbons (CFCs), which are gaseous compounds of chlorine, fluorine, and carbon.
text: Chlorofluorocarbons (CFCs), once thought of as near-miraculous compounds that revolutionized refrigeration, were suddenly revealed to be one of the biggest environmental dangers known to humankind.
text: Substituting other halogens in combination with fluorine gives rise to chlorofluorocarbons (CFCs) or bromofluorocarbons (BFCs)
text: Prior to their phaseout some early refrigerants, such as chlorofluorocarbons (CFCs), contributed significantly to ozone depletion.
text: Chlorofluorocarbons (CFCs) were the primary tracers used in this study to date the ground water discharging at springs and in many of the monitoring wells sampled in previous studies.
text: Chlorofluorocarbons (CFCs), marketed by DuPont as Freon, grew in popularity, until the compounds were found to be harmful to the ozone layer in the atmosphere nearly 50 years later.
text: The gases are Chlorofluorocarbons (CFCs)
text: Another group of fluorine compounds is the chlorofluorocarbons (CFCs).
text: Plunkett was working on the development of chlorofluorocarbons (CFCs) for DuPont.
text: Thanks to a satellite instrument built by NASA's Jet Propulsion Laboratory, scientists were able to accurately measure the levels of chlorine molecules, which deplete the ozone layer after they break off from human-made chlorofluorocarbons (CFCs).
text: During the 1970s, research indicated that man-made chlorofluorocarbons (CFCs) reduce and convert ozone molecules in the atmosphere.
text: The most famous of these are the chlorofluorocarbons (CFCs) that were used in spray cans and as refrigerants.
text: Chlorofluorocarbons (CFCs) and later hydrochlorofluorocarbons (HCFCs) dominated in the second generation of cooling agents, especially since the 1950s, in domestic and industrial air conditioners and heat pumps.
text: They recycle refrigerators and freezers in order to reduce potential global warming, because they contain chlorofluorocarbons (CFCs), which are ozone layer depleting gases with extremely high global warming potential (GWP).
text: The ozone layer depletion is a result of the release of chlorofluorocarbons (CFCs) in the atmosphere.
text: When it comes to global warming, it is caused by the ozone layer depletion when chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) are released into the atmosphere.
text: -167(2010)]. Chlorofluorocarbons (CFCs) were also long-known greenhouse gases but were thought to play only a minor role in climate change.
text: formation of the O3 hole is related to human-made chlorofluorocarbons (CFCs) such as CF2Cl2 (CFC-12) and CFCl3 (CFC-11).
text: Although some of the recent depletion of ozone in the stratosphere was probably due to natural causes (volcanic eruptions, fewer sunspots), some is most likely caused by chlorofluorocarbons (CFCs).
text: Chlorofluorocarbons (CFCs) are halogenated hydrocarbons that are used as refrigerants, but lead to ozone depletion.
text: Although structurally similar to chlorofluorocarbons (CFCs), tetrafluoromethane does not deplete the ozone layer.
text: Chlorine and bromine enter the stratosphere through the discharge of chlorofluorocarbons (CFCs), hydrofluorocarbons (HCFCs), and other chemicals that deplete ozone molecules.
text: Atmospheric chlorine derived from chlorofluorocarbons (CFCs) converts ozone to oxygen molecules.
text: Chlorofluorocarbons (CFCs) in the ozone layer allow more of the sun's harmful UV rays to reach the Earth, which can result in vision problems for some people.
text: chlorofluorocarbons (CFCs)
text: The result was Freon, a mixture of a class of chemicals called chlorofluorocarbons (CFCs).
text: The main reason is the release of chlorofluorocarbons (CFCs) and halon gases in the atmosphere formerly found in aerosol spray cans and refrigerants.
text: Revamping the industries producing the chlorofluorocarbons (CFCs).
text: These radicals are formed by the action of ultraviolet radiation on chlorofluorocarbons (CFCs).
text: Especially powerful greenhouse gases, such as sulfur hexafluoride, chlorofluorocarbons (CFCs), or perfluorocarbons (PFCs), have been suggested both as a means of initially warming Mars and of maintaining long-term climate stability.
text: Chlorofluorocarbons (CFCs).
text: No chlorofluorocarbons (CFCs)
text: Learn about the phaseout of ODS ODSA family of man-made compounds that includes, but are not limited to, chlorofluorocarbons (CFCs), bromofluorocarbons (halons), methyl chloroform, carbon tetrachloride, methyl bromide, and hydrochlorofluorocarbons (HCFCs).
text: Any appliances that could potentially contain freon or other chlorofluorocarbons (CFCs) cannot be disposed of until they have been certified as being free of freon or CFCs.
text: The greenhouse gases include carbon dioxide, chlorofluorocarbons (CFCs), methane, nitrous oxide, and ozone.
text: The following items and materials must be removed prior to the commencement of renovation or demolition: § A. mixed municipal solid waste, including furniture, carpeting unattached to the substrate, bedding, mattresses, clothing, small appliances, food, and food waste; § B. household hazardous waste as defined in Minnesota Statutes, section 115A.96, subdivision 1, including automotive fluids, lawn and garden chemicals, pest control products, household cleaners, paint, and home improvement products; § C. materials that constitute industrial solid waste or hazardous waste; § D. waste tires as defined in Minnesota Statutes, section 115A.90, subdivision 11; § E. appliances that meet the definition of "major appliances" in Minnesota Statutes, section 115A.03, subdivision 17a; § F. items that contain elemental mercury, including: § (1) batteries found in smoke detectors, emergency lighting systems, elevator control panels, exit signs, and security systems and alarms; § (2) lighting, including fluorescent lights and high intensity discharge lights, such as metal halide, high pressure sodium, mercury vapor, and neon; § (3) switches; § (4) thermostats and similar devices, including aquastats, pressurestats, firestats, manometers, and thermometers; § (5) devices associated with boilers, furnaces, heaters, and tanks, including mercury flame sensors by pilot lights, manometers, thermometers and gauges, pressure-trol, float, or level controls, and space heater controls; § (6) devices associated with electrical systems, including load meters and supply relays, phase splitters, microwave relays, and mercury displacement relays; and § (7) miscellaneous devices that may contain mercury; § G. items that contain polychlorinated biphenyls (PCBs), including transformers, transistors, capacitors in old appliances and electronic equipment, heat transfer equipment, and light ballasts; § H. items that contain chlorofluorocarbons (CFCs) as defined in Minnesota Statutes, section 116.70, subdivision 3, including fire extinguishers; both portable and installed halon suppression systems; rooftop, room, and central air conditioners; walk-in coolers for refrigeration or cold storage areas; water fountains and dehumidifiers; refrigerators, freezers, and chillers; heat pumps; vending machines; and food display cases; § I. oils, including used oil, hydraulic oils in door closers and elevator-related tanks and piping, and oils located in heating oil tanks, piping, sumps, and traps; § J. lead-containing items, including lead-acid batteries, lead pipes, lead sheeting, lead flashing in roof vents, and lead paint that is not firmly adhered to the substrate.
text: Chlorofluorocarbons (CFCs) were used as propellants in pMDIs, but these have now been replaced with HFAs, which are less destructive to the ozone layer.
text: chlorofluorocarbons (CFCs);
text: Chlorofluorocarbons (CFCs)
text: Pollutants also include chlorofluorocarbons (CFCs), were widely used as refrigerants and aerosol propellants.
text: In addition to natural phenomena such as earthquakes, among the man-made products believed to contribute to ozone damage are chlorofluorocarbons (CFCs) used mainly in refrigerators and air conditioners.
text: You are probably aware of the danger posed to the earth's protective stratospheric ozone layer by the use of chlorofluorocarbons (CFCs) as refrigerants and propellants in aerosol spray cans.
text: use of chlorofluorocarbons (CFCs) in refrigeration systems, and use of CFCs and halons in fire suppression systems and manufacturing processes.
text: Chlorofluorocarbons (CFCs) -
text: The release of ozone-depleting compounds - such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs), which are found in air conditioning and refrigeration equipment - should be minimized.
text: This is also true of course of other drycleaning solvents, for example trichlorotrifluoroethane, this latter solvent, which is also designated R 113, being additionally handicapped by the fact that it belongs to the class of the chlorofluorocarbons (CFCs) which are seriously suspected of having an adverse effect on the ozone layer in the atmosphere, which is important for life on earth.
text: But this "good" ozone is gradually being destroyed by man-made chemicals referred to as ozone-depleting substances (ODS), including chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), halons, methyl bromide, carbon tetrachloride, and methyl chloroform.
text: Chlorofluorocarbons (CFCs)
text: These chemicals were developed as a replacement for chlorofluorocarbons (CFCs) .
text: Greenhouse gases include water vapour, carbon dioxide, methane, nitrous oxide, ozone and some artificial chemicals such as chlorofluorocarbons (CFCs).
text: Chlorofluorocarbons (CFCs) are very stable in the troposphere.
text: Chlorofluorocarbons (CFCs) are very stable in the troposphere.
text: Hydrochlorofluorocarbons (HCFCs) are one class of chemicals that was used to replace the chlorofluorocarbons (CFCs).
text: Hydrochlorofluorocarbons (HCFCs) are one class of chemicals that was used to replace the chlorofluorocarbons (CFCs).
text: Air pollutants like chlorofluorocarbons (CFCs) have been known to destroy parts of the ozone layer.
text: A legacy of the twentieth century is the use of compounds such as chlorofluorocarbons (CFCs) in a variety of household and personal products.
text: The best example are chlorofluorocarbons (CFCs), which are a product of twentieth century technology.
text: Chlorofluorocarbons (CFCs) are known to cause depletion of the stratospheric ozone layer and to contribute to global warming.
text: The culprit, it turned out, were chemical compounds called chlorofluorocarbons (CFCs), which drift into the stratosphere where UV radiation breaks them down into chlorine atoms, which then dissolve ozone molecules.
text: Chlorofluorocarbons (CFCs) are manmade aliphatic compounds fully saturated in chlorine or fluorine atoms.
text: The refrigerants used in your air conditioner are called chlorofluorocarbons, also known as CFCs.