{"url_path":"/register/2026-07-09/2026-13843","section_key":"summary","section_title":"Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment Area","topic":"register","document":{"doc_type":"Rule","doc_date":"2026-07-09","source_url":"https://www.federalregister.gov/documents/2026/07/09/2026-13843/air-plan-approval-michigan-redesignation-and-maintenance-plan-for-the-partial-st-clair-2010-1-hour","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"Environmental Protection Agency"},"word_count":141,"has_tables":false,"body_markdown":null}