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EPA/OAR RIN: 2060-AT05 Publication ID: Fall 2016 
Title: ●National Emission Standards for Hazardous Air Pollutants: Taconite Iron Ore Processing Risk and Technology Review 

This action will address the agency's residual risk and technology review (RTR) of the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Taconite Iron Ore Processing. The Taconite Iron Ore Processing NESHAP, subpart RRRRR, was promulgated pursuant to section 112(d) of the Clean Air Act (CAA) on 10/30/03 (68 FR 61867). 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 ore crushing and handling operations, indurating furnaces, finished pellet handling operations and ore dryers. The HAP emitted from these sources include metal HAP (e.g., mercury, manganese and lead), formaldehyde and acid gases (i.e., hydrogen chloride and hydrogen fluoride). 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). The statute directs the EPA to promulgate emission standards under CAA section 112(f)(2) if such standards 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. Any such standards are to be promulgated within 8 years after promulgation of MACT standards under CAA section 112(d). 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. This RTR is subject to an ongoing deadline suit, but does not have established proposal or final rule dates yet. The National Wildlife Federation filed a petition for review of the initial 10/30/03 NESHAP, raising several issues, including the alleged failure of EPA to establish emission standards for mercury and asbestos. EPA requested and was granted a voluntarily partial remand of the rule with the intention to gather information on emissions of mercury and abestos and to develop proposed emissions standards for those HAP, if appropriate. RIN 2060-AM87 has been subsumed into this action and the EPA plans to address theses issues in this RTR.

Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: First time published in the Unified Agenda Agenda Stage of Rulemaking: Long-Term Actions 
Major: No  Unfunded Mandates: No 
EO 13771 Designation: uncollected 
CFR Citation: 40 CFR 63   
Legal Authority: 42 U.S.C. 7401 et seq. Clean Air Act   
Legal Deadline:  None
Action Date FR Cite
NPRM  To Be Determined 
Regulatory Flexibility Analysis Required: Undetermined  Government Levels Affected: None 
Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
David Putney
Environmental Protection Agency
Office of Air and Radiation
109 T.W. Alexander Drive, Mail Code D-243-02,
Research Triangle Park, NC 27711
Phone:919 541-2016

Donnalee Jones
Environmental Protection Agency
Office of Air and Radiation
109 T.W. Alexander Drive, Mail Code D243-02,
Research Triangle Park, NC 27711
Phone:919 541-5251
Fax:919 541-4991