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Protection of Stratospheric Ozone: Listing of Substitutes Under the Significant New Alternatives Policy Program in Refrigeration and Air Conditioning and Fire Suppression | Sporos

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Proposed Rule

Protection of Stratospheric Ozone: Listing of Substitutes Under the Significant New Alternatives Policy Program in Refrigeration and Air Conditioning and Fire Suppression

Pursuant to the U.S. Environmental Protection Agency's Significant New Alternatives Policy program, this action proposes to list several substitutes as acceptable, subject to use conditions, for residential and light commercial air conditioning and heat pumps, chillers, household refrigerators and freezers, motor vehicle air conditioning, and fire suppression and explosion protection. This action also proposes to update use conditions for substitutes previously listed for certain air conditioning end-uses and for water coolers.

Published

Nov 10, 2025

Comments Close

Dec 26, 2025

Citation

90 FR 50766

Agencies

2025-19812Protection of Stratospheric Ozone: Listing of Substitutes Under the Significant New Alternatives Policy Program in Refrigeration and Air Conditioning and Fire Suppression

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Agencies (1)

EPA — Environmental Protection Agency

Topics

Administrative practice and procedure Air pollution control Chemicals Environmental protection

Docket IDs

EPA-HQ-OAR-2024-0503

FRL-12207-01-OAR

Regulation ID Numbers (RINs)

2060-AW45

CFR References

40 CFR 82

Document Details

Type: Proposed Rule
Action: Proposed rule.
Document #: 2025-19812
Citation: 90 FR 50766
Publication Date: Nov 10, 2025
Dates: Comments must be received on or before December 26, 2025 unless a public hearing is held. If a public hearing is held, comments on this notice of proposed rulemaking must be received on or before date 30 days after date of public hearing. Public hearing: Any party requesting a public hearing must notify the contact listed in the FOR FURTHER INFORMATION CONTACT section, which is Emily Maruyama at email address: maruyama.emily@epa.gov by 5 p.m. Eastern Daylight Time on or before November 17, 2025. If a public hearing is held, it will take place on or around November 25, 2025. Please refer to the SUPPLEMENTARY INFORMATION section for additional information on the public hearing.
Federal Register Pages: Vol. 90, pp. 50766–50811
Page Views: 2,561

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