
                 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
                NATIONAL VEHICLE AND FUEL EMISSIONS LABORATORY
                             2000 TRAVERWOOD DRIVE
                           ANN ARBOR, MI  48105-2498


									     OFFICE OF
									AIR AND RADIATION
January 3, 2022

MEMORANDUM

SUBJECT: Proposed Changes to Aircraft Engine Emissions Reporting Template

FROM: 	G. Cullen Leggett, Aerospace Engineer
	Assessment and Standards Division
	Office of Transport and Air Quality
	U.S. Environmental Protection Agency

TO:	Information Collection Request; Aircraft Engine Supplemental Information Related to Exhaust Emissions (Renewal)
	Docket EPA-HQ-OAR-2016-0546



This memo documents proposed changes to the Aircraft Engine Emissions Reporting Template (EPA Form Number: 5900-223).  These changes include the clarification of production volumes and changing emissions mass to emissions index as proposed in the ICR. 




Attachments: 
EPA_Form-5900-223-reporting_template_aircraft-Proposed_Revision_v4.xlsx
