Protection of Stratospheric Ozone: Listing of Substitutes Under the Significant New Alternatives Policy Program in Refrigeration and Air Conditioning and Fire Suppression
Summary
The EPA is proposing to approve new substitute chemicals for use in refrigeration, air conditioning, and fire suppression systems that are safer for the ozone layer. These replacement chemicals will help protect the upper atmosphere while allowing these cooling and safety systems to continue working effectively.
Key Points
- 1The EPA is reviewing and listing new chemical alternatives that can replace older refrigerants and fire suppressants known to damage the ozone layer
- 2These substitute chemicals must be evaluated for safety, effectiveness, and environmental impact before the EPA officially approves them
- 3The regulation affects manufacturers and businesses that produce or use refrigeration, air conditioning equipment, and fire suppression systems
- 4Companies have until December 27, 2025 to submit public comments on which chemicals should be approved as acceptable substitutes
- 5Once finalized, this rule will guide which chemicals businesses can legally use in new equipment and when replacing old systems
Key Dates
November 10, 2025
This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.
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