The Montreal Protocol
(12/6/13) Overview Memo of Proposed HCFC Rule
(5/17/13) EP Releases Acceptibility Determination 28 approving ODS substitutes (8pp, 283 KB)
4/29/13) EPA Adds Alternative Fire Suppressant in Final Rule (7pp, 308 KB)
Welcome to EPA's ozone depletion web area! Here you'll find information about the science of ozone depletion, EPA's regulatory approach to protecting the ozone layer, alternatives to ozone-depleting substances, and sun safety.