   
  
G/TBT/N/USA/1855/Add.1  
 
30 March 2023  
(23-2236) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
NOTIFICATION  
Addendum  
The following communication , dated  30 March 2023, is being circulated at the request of the 
delegation of the United States of America . 
 
_______________  
 
 
Title:  Testing Provisions for Air Emission Sources  
 
Reason for Addendum:  
[ ] Comment period changed - date:   
[ ] Notified measure adopted - date:  
[X] Notified measure published - date: 29 March 2023  
[X] Notified measure enters into force - date: 30 May 2023  
[X] Text of final measure available from1:  
https://www.govinfo.gov/content/pkg/FR -2023-03-29/html/2023 -04956.htm  
https://www.govinfo.gov/content/pkg/FR -2023-03-29/pdf/2023 -04956.pdf  
https://members.wto.org/crnattachments/2023/TBT/USA/final_measure/23_8518_00_
e.pdf 
[ ] Notified measure withdrawn or revoked - date:  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:  
[ ] Other:  
 
Description:  TITLE: Testing Provisions for Air Emission Sources  
AGENCY: Environmental Protection Agency (EPA)  
ACTION: Final rule 
SUMMARY: This action promulgates corrections and updates to regulations for source testing of 
emissions under various rules. This final rule includes corrections to typographical and technical 
errors, updates to outdated procedures, and revisions to a dd clarity and consistency with other 
monitoring requirements. The revisions will improve the quality of data but will not impose new 
substantive requirements on source owners or operators.  
 
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/1855/Add.1  
 
- 2 - 
 
  DATES: This rule is effective on 30 May 2023. The incorporation by  reference of certain material 
listed in the rule is approved by the Director of the Federal Register on 30 May 2023. The 
incorporation by reference of certain other material listed in the rule was approved by the Director 
of the Federal Register as of 18 March 2008, 16 April 2012, and 15 May 2015.  
This final rule and the proposed rule notified as G/TBT/N/USA/1855  are identified by Docket Number 
EPA-HQ-OAR-2020-0556. The D ocket Folder is available from Regulations.gov at 
https://www.regulations.gov/docket/EPA -HQ-OAR-2020-0556/document  and provides access to 
primary and supporting documents as w ell as comments received. Documents are also accessible 
from Regulations.gov  by searching the Docket Number.  
__________  
 
 