{"abstract":"EPA is approving a State Implementation Plan (SIP) revision submitted by the State of Delaware on September 16, 2009, as supplemented on April 27, 2011. The revision satisfies the Clean Air Act (CAA) infrastructure requirement that each State's plan contain adequate provisions prohibiting its emissions from contributing significantly to nonattainment in, or interfering with maintenance by, any other state with respect to the 2006 24-hour fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS). EPA is approving this revision in accordance with the requirements of the CAA.","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/2011/08/29/2011-21935.html","cfr_references":[{"chapter":null,"citation_url":null,"part":52,"title":40}],"citation":"76 FR 53638","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"Effective Date: This final rule is effective on September 28, 2011.","disposition_notes":null,"docket_ids":["EPA-R03-OAR-2010-1027","FRL-9457-2"],"dockets":[],"document_number":"2011-21935","effective_on":"2011-09-28","end_page":53640,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2011/08/29/2011-21935.xml","html_url":"https://www.federalregister.gov/documents/2011/08/29/2011-21935/approval-and-promulgation-of-air-quality-implementation-plans-delaware-infrastructure-state","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2011-21935?publication_date=2011-08-29","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2011-08-29/2011-21935/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":86,"last_updated":"2026-10-24 04:15:05 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2011-08-29/pdf/2011-21935.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2011-08-29","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2011/08/29/2011-21935.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2011-09-17T08:05:37Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":53638,"subtype":null,"title":"Approval and Promulgation of Air Quality Implementation Plans; Delaware; Infrastructure State Implementation Plan Requirement To Address Interstate Transport for the 2006 24-Hour PM2.5 NAAQS","toc_doc":"Delaware; Infrastructure State Implementation Plan Requirement to Address Interstate Transport for 2006 24-Hour PM2.5 NAAQS","toc_subject":"Approvals and Promulgations of Air Quality Implementation Plans:","topics":["Air pollution control","Environmental protection","Incorporation by reference","Nitrogen dioxide","Particulate matter","Reporting and recordkeeping requirements","Sulfur oxides"],"type":"Rule","volume":76}