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EPA/OAR RIN: 2060-AU69 Publication ID: Fall 2021 
Title: Control of Air Pollution From Aircraft Engines: Emission Standards and Test Procedures 

This proposed rulemaking follows the International Civil Aviation Organization (ICAO) agreement on the international particulate matter (PM) emission standards for commercial aircraft engines in February 2019. Domestically the EPA anticipates proposing PM standards that would be at least as stringent as ICAO's standards, including replacing the existing smoke number visibility standard with a PM-based standard for certain classes of engines. This proposal would also include new measurement procedures for PM emissions and visibility control that align with those of ICAO. In addition, we are proposing to migrate the aircraft engine regulations from the existing 40 CFR part 87 to a new 40 CFR part 1031, and the new aircraft engine PM standards and requirements described earlier would be specified in this new part 1031.

Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 87   
Legal Authority: 42 U.S.C. 7545   
Legal Deadline:  None
Action Date FR Cite
NPRM  12/00/2021 
Final Rule  11/00/2022 
Additional Information: .
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Undetermined 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Bryan Manning
Environmental Protection Agency
Office of Air and Radiation
Ann Arbor, MI 48105
Phone:734 214-4832
Fax:734 214-4816