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EPA/OAR RIN: 2060-AU19 Publication ID: Fall 2019 
Title: National Emission Standards for Hazardous Air Pollutants: Site Remediation Residual Risk and Technology Review 
Abstract:

This action addresses the Agency's residual risk and technology review (RTR) of the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Site Remediation. The Site Remediation NESHAP, subpart GGGGG, was promulgated pursuant to section 112(d) of the Clean Air Act (CAA) on October 8, 2003. The NESHAP established emission limitations and work practice requirements based on maximum achievable control technology (MACT) for controlling emissions of hazardous air pollutants (HAP) from affected facility site remediation operations. The HAP emitted from remediation material management units include benzene, ethyl benzene, toluene, vinyl chloride, xylenes, and other volatile organic HAP compounds. This action implements 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 final action by March 13, 2020. In consideration of this deadline, which also applies to 19 other RTR source categories, we established an internal schedule for this RTR to be proposed and finalized prior to the court order deadline. The EPA currently plans to complete this proposal action by July 31, 2019.

 
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: Not subject to, not significant 
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 
Timetable:
Action Date FR Cite
NPRM  09/03/2019  84 FR 46138   
NPRM Comment Period End  10/18/2019 
Final Rule  03/00/2020 
Additional Information: Docket #:EPA-HQ-OAR-2018-0833
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:
Matthew Witosky
Environmental Protection Agency
Office of Air and Radiation
109 T.W. Alexander Drive, Mail Code E143-05,
Research Triangle Park, NC 27711
Phone:919 541-2865
Email: witosky.matthew@epa.gov

Steve Fruh
Environmental Protection Agency
Office of Air and Radiation
109 T.W. Alexander Drive, Mail Code E143-05,
Research Triangle Park, NC 27711
Phone:919 541-2837
Email: fruh.steve@epa.gov