{"abstract":"The U.S. Environmental Protection Agency (EPA) is proposing this action to correct and clarify certain text of the final action titled \"National Emission Standards for Hazardous Air Pollutants From Coal- and Oil-Fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial-Commercial- Institutional Steam Generating Units,\" which was published in the Federal Register of Thursday, February 16, 2012. We are also proposing to remove rule provisions establishing an affirmative defense for malfunction events in light of a recent court decision on the issue.","action":"Proposed rule.","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2015/02/17/2015-01699.html","cfr_references":[{"chapter":null,"citation_url":null,"part":60,"title":40},{"chapter":null,"citation_url":null,"part":63,"title":40}],"citation":"80 FR 8442","comment_url":null,"comments_close_on":"2015-04-03","correction_of":null,"corrections":[],"dates":"Comments. Comments must be received on or before April 3, 2015.","disposition_notes":null,"docket_ids":["EPA-HQ-OAR-2009-0234 and EPA-HQ-OAR-2011-0044","FRL-9921-04-OAR"],"dockets":[{"supporting_documents":[{"title":"Letter from Lee Zeugin, Hunton & Williams (on behalf of Utility Air Regulatory Group(UARG)), to Lisa Jackson, USEPA","document_id":"EPA-HQ-OAR-2009-0234-9859"},{"title":"Letter from Debra Jezouit, BakerBotts, to Robert J. Wayland, USEPA; Nickel Speciation Testing Conducted at Oil-FIred Electric Utility Steam Generating Units","document_id":"EPA-HQ-OAR-2009-0234-3072"},{"title":"OMB submittal (03/10/11)","document_id":"EPA-HQ-OAR-2009-0234-2996"},{"title":"OMB request (03/09/11)","document_id":"EPA-HQ-OAR-2009-0234-2994"},{"title":"Air Quality Modeling Technical Support Document: Point Source Sector Rules 2-1-2011","document_id":"EPA-HQ-OAR-2009-0234-2988"},{"title":"OMB request (02/28/11)","document_id":"EPA-HQ-OAR-2009-0234-2964"},{"title":"Planned and Projected Retirements","document_id":"EPA-HQ-OAR-2009-0234-2944"},{"title":"Non-Hg Case Study Chronic Inhalation Risk Assessment for the Utility MACT Appropriate and Necessary Analysis","document_id":"EPA-HQ-OAR-2009-0234-2939"},{"title":"The Cost of Mercury Removal from Coal-Based IGCC Relative to a PC Plant","document_id":"EPA-HQ-OAR-2009-0234-2936"},{"title":"AES Beaver Valley Plant Unit 2, Monaca, Pennsylvania, Process Data","document_id":"EPA-HQ-OAR-2009-0234-2722"}],"agency_name":"EPA","documents":[{"comment_count":27,"comment_start_date":"2015-02-17","updated_at":"2023-02-28T17:04:56.539-05:00","comment_url":"https://www.regulations.gov/commenton/EPA-HQ-OAR-2009-0234-20463","allow_late_comments":null,"id":"EPA-HQ-OAR-2009-0234-20463","comment_end_date":"2015-04-04","regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":3622,"id":"EPA-HQ-OAR-2009-0234","title":"National Emission Standards for Hazardous Air Pollutants for Coal- and Oil-fired Electric Utility Steam Generating Units"},{"supporting_documents":[{"title":"Summary of Public Comments and Responses: MATS and Utility NSPS Technical Corrections","document_id":"EPA-HQ-OAR-2011-0044-5870"},{"title":"Summary of Public Comments and Responses: MATS and Utility NSPS Technical Corrections","document_id":"EPA-HQ-OAR-2011-0044-5868"},{"title":"Denial Letters to Petitioners April 21, 2015","document_id":"EPA-HQ-OAR-2011-0044-5867"},{"title":"Denial of Petitions for Reconsideration of Certain Issues: MATS and Utility NSPS","document_id":"EPA-HQ-OAR-2011-0044-5866"},{"title":"Monitoring Requirements for Facilities with PM CEMS","document_id":"EPA-HQ-OAR-2011-0044-5825"},{"title":"Subpart Da Track Changes Reconsideration Final","document_id":"EPA-HQ-OAR-2011-0044-5824"},{"title":"EGU NSPS Public Comments and Responses","document_id":"EPA-HQ-OAR-2011-0044-5823"},{"title":"Reconsideration PM Control Cost Memorandum","document_id":"EPA-HQ-OAR-2011-0044-5779"},{"title":"Track Changes of Amendments","document_id":"EPA-HQ-OAR-2011-0044-5765"},{"title":"Revised PM Control Memorandum","document_id":"EPA-HQ-OAR-2011-0044-5764"}],"agency_name":null,"documents":[{"comment_count":11,"comment_start_date":"2015-02-18","updated_at":"2023-02-28T17:04:56.956-05:00","comment_url":"https://www.regulations.gov/commenton/EPA-HQ-OAR-2011-0044-5853","allow_late_comments":null,"id":"EPA-HQ-OAR-2011-0044-5853","comment_end_date":"2015-04-04","regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":43,"id":"EPA-HQ-OAR-2011-0044","title":"Standards of Performance for Fossil-Fuel-Fired, Electric Utility, Industrial-Commercial-Institutional, and Small Industrial-Commercial-Institutional Steam Generating 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