chlorofluorocarbons


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chlorofluorocarbons

A range of compounds, composed of chlorine, fluorine, carbon and hydrogen, used as aerosol propellants and refrigerants. CFCs have become discredited because of their effect on the ozone layer.

chlorofluorocarbons (CFCs)

greenhouse gases. Compounds which contain chlorine, fluorine and carbon often together with hydrogen, used for the manufacture of solvents, aerosols, refrigerants and plastic foams; they cause ozone depletion in the stratosphere and absorb long-wave radiation.
References in periodicals archive ?
The CFC Phaseout: With the production of chlorofluorocarbons (CFCs) scheduled to end soon, building owners and managers are faced with a difficult choice: to retain existing chillers that use CFCs, retrofit them to use an alternative refrigerant, or purchase entirely new equipment.
These humanmade chemicals include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and other perfluorinated compounds (PFCs).
The observation, reported this week at a meeting of the American Geophysical Union in San Francisco, demonstrates the success of the Montreal Protocol, a 1987 treaty that forced countries to curb their use of chlorofluorocarbons (CFCs) and other ozone-destroying compounds.
10 /PRNewswire/ -- Mercedes-Benz, which last April became the first company to offer production cars with air conditioning systems free of ozone-depleting compounds, is continuing the phaseout of chlorofluorocarbons (CFCs) across its full model line.
17, 1998--The United States Environmental Protection Agency announced today that it has filed Administrative Complaints against seven companies in the Southeast as part of a nationwide enforcement initiative under the Federal Clean Air Act as it pertains to the use of chlorofluorocarbons (CFCs).
Carbon monoxide makes it harder for the atmosphere to: cleanse itself of chlorofluorocarbons, which chew at Earth's protective ozone layer.
An EPA Administrative Penalty Order alleged that the company failed to use certified technicians and failed to use proper recycling or recovery equipment when handling refrigerants containing chlorofluorocarbons (CFCs).
As a heat-transferring fluid, water replaces the chlorofluorocarbons or hydrochlorofluorocarbons typical of ordinary refrigerators (SN: 3/9/96, p.
Pfahl, director of advanced manufacturing technology for Motorola's General Systems Sector, received an individual award from EPA for his role in chlorofluorocarbons elimination in electronics through the implementation of new technologies.
Pollutants, especially chlorofluorocarbons, bind strongly to cold surfaces.
When it became known that chlorofluorocarbons and hydrochlorofluorocarbons in refrigerants were contributing to depletion of the earth's protective ozone layer, NIST began a program (funded by the Department of Energy's Office of Basic Energy Sciences and Office of Building Technologies) to measure the properties of their replacements.
But wait," you say, "I thought we took care of the environmental problems of air conditioning refrigerants a long time ago when we replaced ozone-depleting chlorofluorocarbons (CHC-12) with hydrofluorocarbons (HFC-134a).