chlorofluorocarbons


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chlorofluorocarbons


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1. (CFCs) Compounds of chlorine and fluorine once much used as aerosol propellants and refrigerants, and in foam packaging; now known to deplete the ozone layer and act as greenhouse gases.
2. Compounds formed when some or all of the hydrogen atoms in a hydrocarbon have been replaced with chlorine and fluorine.
References in periodicals archive ?
Years before the media turned its cameras on stories about the dangers of electromagnetic radiation, the presence of lead in water and paint, indoor air quality and chlorofluorocarbons (CFCs), professional property managers began educating themselves about the issues.
Volcanoes belch an impressive array of organic chemicals into the air, but ozone-depleting chlorofluorocarbons (CFCs) are an insignificant part of that mix, a new study finds.
Chlorofluorocarbons (CFCs), used as a refrigerant and as a foaming agent for insulation in today's refrigerator/freezers, are accused of thinning the ozone layer.
Commonly known as CFCs, chlorofluorocarbons are the coolant material essential to many air conditioning systems in use today.
On the surfaces of particles within the clouds, inactive chlorine compounds derived from humanmade chlorofluorocarbons convert into a reactive form that destroys ozone.
the first speaker, presented a series of charts which explained the current replacement for different chlorofluorocarbons (CFCs) used in air conditioning equipment.
In addition to paying the penalty and reducing use of chlorofluorocarbons, the facility will comply with federal regulations requiring hazardous waste handlers to keep containers closed to prevent the escape of chemicals into the air, to label hazardous waste containers properly, to test wastes to determine if they are hazardous, and to prepare a complete contingency plan specifying emergency procedures.
Four major areas of continuing concern for BOMA are the enforcement of the Americans with Disabilities Act (ADA), the phaseout of chlorofluorocarbons (CFCs), Indoor Air Quality (IAQ), and tax issues.
First, they have traditionally relied on chlorofluorocarbons (CFCs) for use both as coolants and as an ingredient in the foam insulation that encases the storage compartment.
Researchers have used green chemistry to develop alternatives to the use of gases, such as chlorofluorocarbons, that can strongly contribute to Earth's warming.
Chlorofluorocarbons (CFCs), for example, have been widely used in the electronics industry as a cleaning and degreasing agent in manufacturing and reconditioning equipment.
The propellants used in traditional MDI's are chlorofluorocarbons (CFC's).