G/TBT/N/USA/1929  
18 October 2022  
(22-7818) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  UNITED STATES OF AMERICA  
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:  Environmental Protection Agency (EPA) [1961]  
Name and address (including telephone and fax numbers , email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated i f different from above:   
Please submit comments to: USA WTO TBT Enquiry Point, Email: usatbtep@nist.gov  
3. Notified under Article 2.9.2 [  ], 2.10.1 [  ], 5.6.2 [  ], 5.7.1 [  ], 3.2 [  ], 7.2 [  ], 
other  [X]: Proposing to make endangerment and cause or contribute findings for the 
lead air pollution and engine emissions of lead from certain aircraft.  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided  in addition, where applicable):  Lead 
emissions from aircraft engines; Environmental protection (ICS code(s): 13.020); Air 
quality (ICS code(s): 13.040); Aerospace engines and propulsion systems (ICS code(s): 
49.050); Liquid fuels (ICS code(s): 75.160.20)  
5. Title, number of pages and language(s) of the notified document:  Proposed 
Finding That Lead Emissions From Aircraft Engines That Operate on Leaded Fuel Cause or 
Contribute to Air Pollution That May Reasonably Be Anticipated To Endanger Public Health 
and Welfare; (29 page(s), in English)  
6. Description of content:  Proposed action - In this action, the Administrator is proposing 
to find that lead air pollution may reasonably be anticipated to endanger the public health 
and welfare within the meaning of section 231(a)  of the Clean Air Act . The Admini strator 
is also proposing to find that engine emissions of lead from certain aircraft cause or 
contribute to the lead air pollution that may reasonably be anticipated to endanger public 
health and welfare under section 231(a) of the Clean Air Act. Entities  potentially interested 
in this proposed action include those that manufacture and sell covered aircraft engines 
and covered aircraft in the United States and those who own or operate covered aircraft. 
Covered aircraft engines in this context means any air craft engine capable of using leaded 
aviation gasoline as well as all aircraft and ultralight vehicles equipped with covered 
engines. The proposed findings in this action, if finalized, would not themselves apply new 
requirements to entities other than the  EPA and the Federal Aviation Administration (FAA).  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Protection of human health or safety; Protection of the environment  
8. Relevant documents:   
87 Federal Register (FR) 62753, 17 October 2022; Title 40 Code of Federal Regulations 
(CFR) Parts 87, 1031, and 1068:  G/TBT/N/USA/1929  
 
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  https://www.govinfo.gov/content/pkg/FR -2022-10-17/html/2022 -22223.htm  
https://www.govinfo.gov/content/pkg/FR -2022-10-17/pdf/2022 -22223.pdf  
This proposed action is identified by Docket Number EPA -HQ-OAR-2022-0389. The Docket 
Folder is available on Regulations.gov at https://www.regulations.gov/docket/EPA -HQ-
OAR-2022-0389/document  and provides access to primary documents as well as 
comments received. Documents are also accessible from Regulations.gov  by searching 
the Docket Number. WTO Members and their stakeholders are as ked to submit comments 
to the USA TBT Enquiry Point  by or before 4pm Eastern Time  on 17 January 2023. 
Comments received by the USA TBT Enquiry Point from WTO Members and their 
stakeholders will be shared with the regulator and will also be submitted to the Docket  
on Regulations.gov if received within the comment period.  
The EPA plans to hold a virtual public hearing on 1 November 2022 using Zoom. To attend, 
all attendees (including those who will not be presenting verbal testimony) must registe r 
in advance, by or before 31 October 2022 . Use the instructions at 
https://www.epa.gov/ regulations -emissions -vehicles -and-engines/regulations -lead-
emissions -aircraft  to register to speak at the virtual hearing. Prior to the hearing, the EPA 
will post a general agenda that will list registered speakers in approximate (speaking) 
order at the U RL listed directly above. The EPA will make every effort to follow the 
schedule as closely as possible on the day of the hearing; however, please plan for the 
hearings to run either ahead of schedule or behind schedule.  
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  To be determined  
10. Final date for comments:  17 January 2023  
11. Texts available from:  National enquiry point [ ] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
https://members.wto.org/crnattachments/2022/TBT/USA/22_7047_00_e.pdf