Governing Law and Regulations
U.S. Environmental Protection Agency (EPA) Office of Air and Radiation Office of Atmospheric Programs Stratospheric Protection Division
See ADDRESSES & CONTACTS for addresses and telephone numbers.
Frequently Asked Questions
CFC Management Overview
WHY IS CFC MANAGEMENT IMPORTANT?
CFC management encompasses the regulation of all ozone-depleting substances (ODSs) that break down the stratospheric ozone layer through the reaction of chlorine and bromine with ozone. Sources of chlorine and bromine are both natural and man-made. Man-made sources include:
- Chlorofluorocarbons (CFCs),
- Hydrochlorofluorocarbons (HCFCs),
- Carbon tetrachloride,
- Methyl bromide,
- Methyl chloroform, and
These chemicals are very stable in the lower atmosphere and do not break down, nor are they soluble in water. Thus, ...