G/TBT/N/USA/1774/Add.1  
 
8 November 2021  
(21-8450) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
 
NOTIFICATION  
Addendum  
The following communication , dated  8 November 2021 , is being circulated at the request of the 
delegation of the United States of America . 
 
_______________  
 
 
Title: Potential Future Regulation Addressing Pyrolysis and Gasification Units  
 
Reason for Addendum:  
[X] Comment period changed - date:  23 December 2021; Advance notice of proposed 
rulemaking; extension of public comment period  
[  ] Notified measure adopted - date:  
[  ] Notified measure published - date:  
[  ] Notified measure enters into force - date:  
[  ] Text of final measure available from1:  
[  ] Notified measure withdrawn or revoked - date:  
Relevant symbol if measure re -notified:   
[  ] Content or scope of notified measure changed  and text available from1:  
New deadline for comments (if applicable):   
[  ] Interpretive guidance issued and text available from1:  
[X] Other: https://www.govinfo.gov/content/pkg/FR -2021-11-05/html/2021 -24253.htm  
https://www.govinfo.gov/content/pkg/FR -2021-11-05/pdf/2021 -24253.pdf  
https://members.wto .org/crnattachments/2021/TBT/USA/21_7047_00_e.pdf  
 
Description:   
TITLE: Potential Future Regulation Addressing Pyrolysis and Gasification Units  
AGENCY: Environmental Protection Agency (EPA)  
ACTION: Advance notice of proposed rulemaking; extension of public comment period  
SUMMARY: On 8 September 2021, the U.S. Environmental Protection Agency (EPA) solicited 
information and requested comments to assist in the potential development of regulations for 
pyrolysis and gasification units that are used to conv ert solid or semi -solid feedstocks to useful 
products such as energy, fuels, and chemical commodities. The deadline to respond to our request 
was 8 November 2021. The EPA is extending the period to respond to our request for information 
and comment to 23 D ecember 2021.  
 
1 This information can be provided by including a website address, a pdf attachment, or other 
information on where the text of the final /modified  measure and/or interpretive guidance can be obtained.  G/TBT/N/USA/1774/Add.1  
 
- 2 - 
 
  DATES: The public comment period for the request for information published in the Federal Register 
on 8 September 2021 (86 FR 50296), originally ending 8 November 2021, is being extended. Written 
comments must be received on or before 23 Dece mber 2021.  
This advance notice of proposed rulemaking; extension of public comment period and the advance 
notice of proposed rulemaking notified as G/TBT/N/USA/1774  are identified by Docket Number EPA -
HQ-OAR-2021-0382. The Docket Folder is available on Regulations.gov 
at https://www.regulations.gov/docket/EPA -HQ-OAR-2021-0382/document  and provides access to 
primary and supporting documents as well as comments received. Documents are also accessible 
from Regulations.gov  by searching the Docket Number. WTO Members and their stakeholders are 
asked to submit comments to the  USA TBT Enquiry Point . 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.  
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