{"abstract":"EPA is finalizing a limited approval of revisions to the Ohio State Implementation Plan (SIP), submitted on March 11, 2011, addressing regional haze for the first implementation period that ends 2018. This action is being taken in accordance with the requirements of the Clean Air Act (CAA) and EPA's rules for states to prevent and remedy future and existing anthropogenic impairment of visibility in mandatory Class I areas through a regional haze program.","action":"Final 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/2012/07/02/2012-16033.html","cfr_references":[{"chapter":null,"citation_url":null,"part":52,"title":40}],"citation":"77 FR 39177","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This final rule is effective on August 1, 2012.","disposition_notes":null,"docket_ids":["EPA-R05-OAR-2011-0329","FRL-9683-4"],"dockets":[],"document_number":"2012-16033","effective_on":"2012-08-01","end_page":39180,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2012/07/02/2012-16033.xml","html_url":"https://www.federalregister.gov/documents/2012/07/02/2012-16033/approval-and-promulgation-of-air-quality-implementation-plans-ohio-regional-haze","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2012-16033?publication_date=2012-07-02","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2012-07-02/2012-16033/mods.xml","not_received_for_publication":null,"page_length":4,"page_views":{"count":165,"last_updated":"2026-04-04 10:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2012-07-02/pdf/2012-16033.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2012-16033.pdf?1340974119","publication_date":"2012-07-02","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2012/07/02/2012-16033.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"Ohio Regional Haze SIP 03/11/2011 submittal","document_id":"EPA-R05-OAR-2011-0329-0002"}],"comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=EPA-R05-OAR-2011-0329","supporting_documents_count":1,"docket_id":"EPA-R05-OAR-2011-0329","regulation_id_number":null,"title":"Ohio Regional Haze SIP","checked_regulationsdotgov_at":"2012-07-22T06:00:08Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":39177,"subtype":null,"title":"Approval and Promulgation of Air Quality Implementation Plans; Ohio; Regional Haze","toc_doc":"Ohio; Regional Haze","toc_subject":"Approvals and Promulgations of Air Quality Implementation Plans:","topics":["Air pollution control","Environmental protection","Incorporation by reference","Intergovernmental relations","Nitrogen dioxide","Particulate matter","Reporting and recordkeeping requirements","Sulfur oxides"],"type":"Rule","volume":77}