{"abstract":"The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision (Revision A23) submitted by the Commonwealth of Virginia. This revision amends the definition of volatile organic compound (VOC) in the Virginia Administrative Code (VAC) to align with the EPA's regulatory definition of VOC. The EPA is approving this revision to update the definition of VOC in the Virginia SIP.","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/2026/04/23/2026-07885.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"52","title":40}],"citation":"91 FR 21726","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This final rule is effective on May 26, 2026.","disposition_notes":null,"docket_ids":["EPA-R03-OAR-2025-0225","FRL-12836-02-R3"],"dockets":[],"document_number":"2026-07885","effective_on":"2026-05-26","end_page":21728,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/04/23/2026-07885.xml","html_url":"https://www.federalregister.gov/documents/2026/04/23/2026-07885/air-plan-approval-virginia-revision-to-the-regulatory-definition-of-volatile-organic-compound","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-07885?publication_date=2026-04-23","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-04-23/2026-07885/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":96,"last_updated":"2026-04-24 00:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-04-23/pdf/2026-07885.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-07885.pdf?1776861912","publication_date":"2026-04-23","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/04/23/2026-07885.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"0 cover letter","document_id":"EPA-R03-OAR-2025-0225-0008"},{"title":"2b final","document_id":"EPA-R03-OAR-2025-0225-0007"},{"title":"3 comment response","document_id":"EPA-R03-OAR-2025-0225-0006"},{"title":"1a rule text","document_id":"EPA-R03-OAR-2025-0225-0005"},{"title":"2a proposal","document_id":"EPA-R03-OAR-2025-0225-0004"},{"title":"2 public participation cert","document_id":"EPA-R03-OAR-2025-0225-0003"},{"title":"1 SIP","document_id":"EPA-R03-OAR-2025-0225-0002"}],"comments_count":0,"agency_id":"EPA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=EPA-R03-OAR-2025-0225","supporting_documents_count":7,"docket_id":"EPA-R03-OAR-2025-0225","document_id":"EPA-R03-OAR-2025-0225-0010","regulation_id_number":null,"title":"Air Plan Approval; Virginia; Revision to the Regulatory Definition of Volatile Organic Compound","checked_regulationsdotgov_at":"2026-04-24T04:55:03Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":21726,"subtype":null,"title":"Air Plan Approval; Virginia; Revision to the Regulatory Definition of Volatile Organic Compound","toc_doc":"Virginia; Revision to the Regulatory Definition of Volatile Organic Compound","toc_subject":"Air Quality State Implementation Plans; Approvals and Promulgations","topics":["Air pollution control","Environmental protection","Incorporation by reference","Intergovernmental relations","Reporting and recordkeeping requirements","Volatile organic compounds"],"type":"Rule","volume":91}