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EPA/OAR RIN: 2060-AT74 Publication ID: Fall 2018 
Title: National Emission Standards for Hazardous Air Pollutants for Hydrochloric Acid Production Residual Risk and Technology Review 
Abstract:

This proposed action will address the Agency's residual risk and technology review (RTR) of the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Hydrochloric Acid Production. The Hydrochloric Acid Production NESHAP, subpart NNNNN, was promulgated pursuant to section 112(d) of the Clean Air Act (CAA) on April 17, 2003. The NESHAP established emission limitations and/or work practice requirements based on maximum achievable control technology (MACT) for controlling emissions of hazardous air pollutants (HAP) from process vents, storage tanks, transfer operations, and equipment leaks. The HAP emitted from these sources include hydrochloric acid and chlorine. 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. Pursuant to a court order, the EPA is obligated to complete this action by March 13, 2020.

 
Agency: Environmental Protection Agency(EPA)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed 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  15-cv-00512-TSC; 3/13/17.  03/13/2020 

Overall Description of Deadline: Final Rule 3/13/2020--Court Order: United States District Court for the District of Columbia; California Communities Against Toxics, et al. v. Scott Pruitt; Case 1:15-cv-00512-TSC; 3/13/17.

Timetable:
Action Date FR Cite
NPRM  10/00/2018 
Final Rule  06/00/2019 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Nathan Topham
Environmental Protection Agency
Office of Air and Radiation
109 T.W. Alexander Drive, Mail Code D243-02,
Research Triangle Park, NC 27711
Phone:919 541-0483
Fax:919 541-4991
Email: topham.nathan@epamail.epa.gov

Chuck French
Environmental Protection Agency
Office of Air and Radiation
109 T.W. Alexander Drive, Mail Code D243-02,
Research Triangle Park, NC 27711
Phone:919 541-7912
Fax:919 541-4991
Email: french.chuck@epa.gov