National Emission Standards for Hazardous Air Pollutants for the Portland Cement Manufacturing Industry and Standards of Performance for Portland Cement Plants

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Parts 60 and 63 [EPA-HQ-OAR-2011-0817; FRL-9692-9] RIN 2060-AQ93 AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed rules on reconsideration. SUMMARY: The EPA is proposing amendments to the National Emission Standards for Hazardous Air Pollutants for the Portland cement industry for Portland cement plants issued under sections 112(d) of the Clean Air Act. Specifically, the EPA is proposing to amend the existing and new source standards for particulate matter (PM). The EPA is also proposing amendments with respect to issues on which it granted reconsideration on May 17, 2011. In addition, the EPA is proposing amendments to the new source performance standard for PM issued pursuant to section 111(b) of the Clean Air Act. These proposed amendments would promote flexibility, reduce costs, and ease compliance burdens. EPA is also addressing the remand of the emission standards in the NESHAP by the D.C. Circuit on December 9, 2011. Finally, the EPA is proposing to extend the date for compliance with the existing source national emission standards for hazardous air pollutants to September 9, 2015. DATES: Comments must be received on or before August 17, 2012. Any requests for a public hearing must be received by July 30, 2012. If the EPA holds a public hearing, the EPA will keep the record of the hearing open for thirty days after completion of the hearing to provide an opportunity for submission of rebuttal and supplementary infor…