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EPA/OAR RIN: 2060-AT70 Publication ID: Fall 2018 
Title: National Emission Standards for Hazardous Air Pollutants for Leather Finishing Operations Residual Risk and Technology Review 
Abstract:

This final action will address the agency's residual risk and technology review (RTR) of the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Leather Finishing Operations. The Leather Finishing Operations NESHAP, subpart TTTT, was promulgated pursuant to section 112(d) of the Clean Air Act (CAA) on February 27, 2002, and amended on February 28, 2005. The NESHAP established emission limitations based on maximum achievable control technology (MACT) for controlling emissions of hazardous air pollutants (HAP) from the application of the coatings, drying or curing of the coatings, and from handling, storage and clean-up of the finishing materials. The HAP emitted include glycol ethers, chromium III, triethylamine, ethylene glycol, toluene and methyl isobutyl ketone. This action will implement the residual risk review requirements of CAA section 112(f)(2) and the technology review requirements of CAA section 112(d)(6). CAA 112(f)(2) directs EPA to revise the NESHAP if such revisions are required to provide an ample margin of safety to protect public health or to prevent, taking relevant factors into account, an adverse environmental effect. CAA section 112(d)(6) requires the EPA to review and revise the MACT standards as necessary, taking into account developments in practices, processes and control technologies, no less often than every 8 years. The EPA proposed amendments to address the results of the RTR. We proposed amendments to regulatory provisions pertaining to emissions during periods of startup, shutdown and malfunction; amendments to add electronic reporting; and amendments to clarify certain rule requirements and provisions. Pursuant to a court order related to the review of 13 source categories, the EPA must complete 7 final RTR actions by December 31, 2018, and 6 additional RTR actions by June 30, 2020.The EPA currently plans to complete this action by December 31, 2018.

 
Agency: Environmental Protection Agency(EPA)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
EO 13771 Designation: Other 
CFR Citation: 40 CFR 63   
Legal Authority: 42 U.S.C. 7412, Clean Air Act   
Legal Deadline:
Action Source Description Date
Final  Judicial  16-cv-00364-CRC; Filed March 22, 2017.  12/31/2018 
Timetable:
Action Date FR Cite
NPRM  03/14/2018  83 FR 11314   
NPRM Comment Period End  04/30/2018 
NPRM Comment Period Extended  05/15/2018  83 FR 22438   
NPRM Comment Period Extended End  06/14/2018 
Final Rule  01/00/2019 
Additional Information: Docket #:EPA-HQ-OAR-2003-0194
Regulatory Flexibility Analysis Required: No  Government Levels Affected: State 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Bill Schrock
Environmental Protection Agency
Office of Air and Radiation
109 T.W. Alexander Drive, Mail Code E143-03,
Research Triangle Park, NC 27711
Phone:919 541-5032
Email: schrock.bill@epa.gov

Robin Dunkins
Environmental Protection Agency
Office of Air and Radiation
109 T.W. Alexander Drive, Mail Code E143-03,
Research Triangle Park, NC 27711
Phone:919 541-5335