G/TBT/N/USA/225/Add.4  
 
21 April 2023  
(23-2887) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
 
NOTIFICATION  
Addendum  
The following communication , dated  21 April 2023, is being circulated at the request of the 
delegation of the United States of America . 
 
_______________  
 
 
Title:  Portable Generators  
 
Reason for Addendum:  
[ ] Comment period changed - date:   
[ ] 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[ ] Notified measure withdrawn or revoked - date:  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:   
[X] Content or scope of notified measure changed  and text available from1:  
Supplemental notice of proposed rulemaking; notice of opportunity for oral presentation 
of comments by 20 June 2023. Any person interested in making an oral presentation 
must send an electronic mail (email) indicating this intent to the Office of the Secre tary 
at cpsc-os@cpsc.gov  by 22 May 2023.  
https://www.govinfo.gov/content/pkg/FR -2023-04-20/html/2023 -07870.htm  
https://www.govinfo.gov/content/pkg/FR -2023-04-20/pdf/2023 -07870.pdf  
https://members.wto.org/crnattachments/2023/TBT/USA/modification/23_9226_00_e.
pdf 
New deadline for comments (if applicable):  20 June 2023  
[ ] Interpretive guidance issued and text available from1:  
[ ] Other:  
 
Description:  AGENCY: Consumer Product Safety Commission  
ACTION: Supplemental notice of proposed rulemaking; notice of opportunity for oral presentation of 
comments  
SUMMARY: The U.S. Consumer Product Safety Commission (Commission or CPSC) has preliminarily 
determined that there is an unreasonable risk of injury and death associated with acute carbon 
 
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/225/Add.4  
 
- 2 - 
 
  monoxide (CO) poisoning  from portable generators . To address this hazard, the Commission 
proposes a rule under the Consumer Product Safety Act (CPSA)  that limits CO emissions from 
portable generators and requires generators to shut off when specific emissions levels are reached. 
The Commission is providing an opportunity for interested parties to present comments on this 
supplemental notice of proposed rulemaking (SNPR).  
DATES: Deadline for Written Comments: Written comments must be received by 20 June 2023. WTO 
Members and their stakeholders ar e asked to submit comments to the USA WTO TBT Enquiry Point . 
Comments received by the USA TBT Enquiry Point from WTO Members and their stakeholders by 
4pm Eastern Time  on 20 June 2023 will be shared with the regulator and will also be submitted to 
the Docket  on Regulations.gov if received within the comment period.  
Deadline for Request to Present Oral Comments: Any person interested in making an oral 
presentation must send an electronic mail (email) indicating this intent to the Office of the Secreta ry 
at cpsc-os@cpsc.gov  by 22 May 2023. WTO Members and their stakeholders are also asked to submit 
their intent to make an oral presentation by e -mail to the USA WTO TBT Enquiry Point at 
usatbtep@nist.gov  by 4pm Eastern Time  on 22 May 2023.  
This supplemental notice of proposed rulema king; notice of opportunity for oral presentation of 
comments and previous actions notified under the symbol G/TBT/N/USA/225  are identified by 
Docket Number CPSC -2006-0057. The Docket Folder is available from Regulations.gov at 
https://www.regulations.gov/docket/CPSC -2006-0057/document  and provide access to primary and 
supporting documents as well as  comments received. Documents are also accessible from 
Regulations.gov  by searching the Docket Number.  
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