G/TBT/N/USA/1556/Add.3  
 
7 February 2022  
(22-0914)  Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
 
NOTIFICATION  
Addendum  
The following communication , dated  7 February 2022 , is being circulated at the request of the 
delegation of the United States of America . 
 
_______________  
 
 
Title: National Emission Standards for Hazardous Air Pollutants: Miscellaneous Organic Chemical 
Manufacturing Residual Risk and Technology Review  
 
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[  ] Notified measure withdrawn or revoked - date:  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: 
https://www.govinfo.gov/content/pkg/FR -2022-02-04/html/2022 -01923.htm  
https://www.govinfo.gov/content/pkg/FR -2022-02-04/pdf/2022 -01923.pdf  
https://members.wto.org/crnattachments/2022/TBT/USA/modification/22_1413_00_e.
pdf 
New deadline for comments (if applicable):  24/03/2022  
[  ] Interpretive guidance issued and text available from1:  
[  ] Other:  
 
Description:  TITLE: Reconsideration of the 2020 National Emission Standards for Hazardous Air 
Pollutants: Miscellaneous Organic Chemical Manufacturing Residual Risk and Technology Review  
AGENCY: Environmental Protection Agency (EPA)  
ACTION: Proposed rule; reconsideration of final rule  
SUMMARY: On 12 August 2020, the U.S. Environmental Protection Agency (EPA) published the final 
National Emission Standards for Hazardous Air Pollutants (NESHAP): Miscellaneous Organic Chemical 
Manufacturing Residual Risk and T echnology Review. Subsequently, the Agency received and 
granted petitions for reconsideration on two issues, specifically, the use of the EPA's 2016 Integrated 
Risk Information System (IRIS) value for ethylene oxide in assessing cancer risk for the source 
category and the use of the Texas Commission on Environmental Quality (TCEQ) risk value for 
 
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/1556/Add.3  
 
- 2 - 
 
  ethylene oxide as an alternative risk value to the EPA's IRIS value. Here, the EPA is addressing these 
two issues and is also requesting public comment. The EPA is seeking comment only on the two 
identified petition issues. The EPA will not respond to comments addressing any other issues or any 
other provisions of the final rule.  
DATES:  
Comments. Comments must be received on or before 24 March 2022.  
Public hearing: I f anyone contacts EPA requesting a public hearing on or before 9 February 2022, 
EPA will hold a virtual public hearing. See SUPPLEMENTARY INFORMATION included in the notification 
full-text at https://www.govinfo.gov/content/pkg/FR -2022-02-04/html/2022 -01923.htm  and/or 
https://www.govinfo.gov/content/pkg/FR -2022-02-04/pdf/2022 -01923.pdf  for information on 
requesting and  registering for a public hearing.  
This proposed rule; reconsideration of final rule is identified by Docket Number  EPA-HQ-OAR-2018-
0746. The Docket Folder is available on Regulations.gov 
at https://www.regulations.gov/docket/EPA -HQ-OAR-2018-0746/document  and provides access to 
primary and supporting documents as well as comments received. Documents are also acce ssible 
from Regulations.gov  by searching the Docket Number. WTO Members and their stakeholders are 
asked to submit comments to the  USA TBT Enquiry Point by or before 4pm Eastern Time  on 24 
March 2022. 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.  
__________