2060-AV81 202304 Unified Agenda of Federal Regulatory and Deregulatory Actions 2060 Office of Air and Radiation OAR 2000 Environmental Protection Agency EPA Revisions to Method 320 Substantive, Nonsignificant Previously Published in The Unified Agenda Proposed Rule Stage No No 40 CFR 63 40 CFR 60 Clean Air Act No NPRM 04/00/2024 Final Rule 11/00/2025 EPA-HQ-OAR-2022-0491. No None No No No No David Nash 2060 Office of Air and Radiation OAR 919 541-9425 nash.david@epa.gov 109 TW Alexander Drive, Research Triangle Park NC 27701