Please note that this is a scanned copy of a paper originally published in 1992, so the text and photographs are not as clear as in documents created as pdf files.

It is now generally accepted that CFC emissions are contributing to the depletion of the ozone layer and that production must be phased out as soon as possible. One of a series on issues of environmental significance, this Digest summarises recent and proposed changes to the current phase-out timetables, and replacement options.

Includes Addenda from February 1993 giving the requirements for phase-out decided at the 1992 review of the Montreal Protocol in November 1992.