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EPA/OAR | RIN: 2060-AS92 | Publication ID: Spring 2017 |
Title: Portland Cement Risk and Technology Review | |
Abstract: This action will address the agency's residual risk and technology review (RTR) of the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Portland Cement Manufacturing. The Portland Cement Manufacturing NESHAP, subpart LLL, initially was promulgated pursuant to section 112(d) of the Clean Air Act (CAA) in 1999. The EPA promulgated the current version of the rule on 9/9/10, with amendments on 2/12/13 and 07/27/15. 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 kilns, clinker coolers, raw material dryers and finish mills, as well as clinker piles, storage bins, conveying systems, bagging systems, bulk loading and unloading systems. The HAP emitted from kilns and clinker coolers include particulate matter, metals including mercury, volatile organic compounds and hydrogen chloride. 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 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. Pursuant to an agreed upon extension of the original consent decree, the EPA is obligated to complete this proposed action by 9/15/17. | |
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 |
CFR Citation: 40 CFR 63 | |
Legal Authority: 42 U.S.C. 7401 et seq. Clean Air Act |
Legal Deadline:
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Timetable:
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Regulatory Flexibility Analysis Required: No | Government Levels Affected: Undetermined |
Small Entities Affected: No | Federalism: No |
Included in the Regulatory Plan: No | |
RIN Data Printed in the FR: No | |
Agency Contact: Brian Storey Environmental Protection Agency Office of Air and Radiation D243-04, Research Triangle Park, NC 27709 Phone:919 541-1103 Email: storey.brian@epa.gov Jennifer Caparoso Environmental Protection Agency Office of Air and Radiation 109 T.W. Alexander Drive, Mail Code E143-01, Research Triangle Park, NC 27711 Phone:919 541-4063 Fax:919 541-0516 Email: caparoso.jennifer@epa.gov |