{"abstract":"EPA is proposing to approve a State Implementation Plan (SIP) revision submitted by the Commonwealth of Virginia (Virginia). This revision pertains to amendments of Virginia's regulations regarding the new 1-hour primary national ambient air quality standard (NAAQS) for sulfur dioxide (SO<INF>2</INF>). This action is being taken under the Clean Air Act (CAA).","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/2011/10/14/2011-26628.html","cfr_references":[{"chapter":null,"citation_url":null,"part":52,"title":40}],"citation":"76 FR 63859","comment_url":null,"comments_close_on":"2011-11-14","correction_of":null,"corrections":[],"dates":"Written comments must be received on or before November 14, 2011.","disposition_notes":null,"docket_ids":["EPA-R03-OAR-2011-0731","FRL-9479-5"],"dockets":[],"document_number":"2011-26628","effective_on":null,"end_page":63860,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2011/10/14/2011-26628.xml","html_url":"https://www.federalregister.gov/documents/2011/10/14/2011-26628/approval-and-promulgation-of-air-quality-implementation-plans-virginia-amendments-to-virginias","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2011-26628?publication_date=2011-10-14","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2011-10-14/2011-26628/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":32,"last_updated":"2026-10-23 20:15:05 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2011-10-14/pdf/2011-26628.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2011-10-14","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2011/10/14/2011-26628.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2011-10-24T21:15:24Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":63859,"subtype":null,"title":"Approval and Promulgation of Air Quality Implementation Plans; Virginia; Amendments to Virginia's Regulation Regarding the Sulfur Dioxide National Ambient Air Quality Standard","toc_doc":"Virginia; Amendments to Regulations Regarding Sulfur Dioxide National Ambient Air Quality Standard","toc_subject":"Approvals and Promulgations of Air Quality Implementation Plans:","topics":["Air pollution control","Environmental protection","Intergovernmental relations","Reporting and recordkeeping requirements","Sulfur oxides"],"type":"Proposed Rule","volume":76}