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Stratospheric Ozone Protection

CFCs, Refrigerants, Air Conditioning, Ozone Layer

In an effort to meet the United States' international commitments, Congress included stratospheric ozone protection as part of the Clean Air Act. The Act implemented a multifaceted approach to solving the very important global problem of depletion of the stratospheric ozone layer. The most common ozone depleting substances are chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs). The United States is addressing this problem by limiting the production and importation of ozone depleting chemicals, restricting the availability and use of CFCs and HCFCs, requiring labeling for products containing or manufactured with CFCs or HCFCs, and prohibiting nonessential products containing or manufactured with CFCs or HCFCs.

In Region 3, our stratospheric protection program is supporting this national and international effort by providing information, assisting the public and enforcing the law against violators of these regulations. Questions about the regulations or tips of possible violations can be directed to the Region 3 Customer Service Hotline at (800) 438-2474.

To learn more about the science of ozone depletion or specific sections of the EPA regulations explore the links below or visit the EPA's Stratospheric Ozone Depletion Page.

General information

Motor Vehicle Air Conditioning (Section 609)

Air Conditioning -
Residential, Commercial & Industrial (Section 608)

Ban of Nonessential Products (Section 610)

Labeling Requirements (Section 611)

Alternatives to Ozone Depleting Substances
(Section 612)

Other Information Resources


For further information regarding the CFC program:

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