US Federal Register

{
  "url": "https://www.federalregister.gov/documents/2026/07/30/2026-15371/air-plan-approval-missouri-construction-permit-exemptions",
  "kind": "Proposed Rule",
  "title": "Air Plan Approval; Missouri; Construction Permit Exemptions",
  "action": "Proposed rule.",
  "topics": [
    "Air pollution control",
    "Carbon monoxide",
    "Environmental protection",
    "Incorporation by reference",
    "Intergovernmental relations",
    "Lead",
    "Nitrogen dioxide",
    "Ozone",
    "Particulate matter",
    "Reporting and recordkeeping requirements",
    "Sulfur oxides",
    "Volatile organic compounds"
  ],
  "volume": 91,
  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-07-30/pdf/2026-15371.pdf",
  "abstract": "The Environmental Protection Agency (EPA) is proposing to approve revisions to the Missouri State Implementation Plan (SIP) received on February 10, 2026. The submission revises Missouri's regulation on construction permit exemptions in their Minor New Source Review (NSR) program. These revisions refine exemptions for emergency generators, update references to other rules, and update recordkeeping requirements. The EPA is proposing to approve this rule revision pursuant to the Clean Air Act (CAA).",
  "agencies": [
    "Environmental Protection Agency"
  ],
  "citation": "91 FR 48032",
  "end_page": 48033,
  "docket_id": "EPA-R07-OAR-2026-5182",
  "start_page": 48032,
  "page_length": 2,
  "effective_on": null,
  "published_at": "2026-07-30T00:00:00.000Z",
  "cfr_references": [
    {
      "part": "52",
      "title": 40,
      "chapter": null,
      "citation_url": null
    }
  ],
  "primary_agency": "Environmental Protection Agency",
  "document_number": "2026-15371",
  "comments_close_on": "2026-08-31T00:00:00.000Z",
  "regulation_id_numbers": []
}

{
  "url": "https://www.federalregister.gov/documents/2026/07/30/2026-15372/air-plan-approval-pennsylvania-redesignation-of-the-warren-county-nonattainment-area-to-attainment",
  "kind": "Proposed Rule",
  "title": "Air Plan Approval; Pennsylvania; Redesignation of the Warren County Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan for the 2010 1-Hour Primary Sulfur Dioxide National Ambient Air Quality Standard",
  "action": "Proposed rule.",
  "topics": [
    "Air pollution control",
    "Carbon monoxide",
    "Environmental protection",
    "Incorporation by reference",
    "Intergovernmental relations",
    "Lead",
    "Nitrogen dioxide",
    "Ozone",
    "Particulate matter",
    "Reporting and recordkeeping requirements",
    "Sulfur oxides",
    "Volatile organic compounds"
  ],
  "volume": 91,
  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-07-30/pdf/2026-15372.pdf",
  "abstract": "The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision and redesignation request submitted on September 19, 2025 by the Pennsylvania Department of Environmental Protection (PADEP). The SIP revision asks the EPA to redesignate the Warren County, Pennsylvania area from nonattainment to attainment for the 2010 1-hour primary sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS). The revision also asks the EPA to approve into the SIP the Commonwealth's maintenance plan for the 2010 1-hour primary SO<INF>2</INF> NAAQS for the Warren County area. Furthermore, Pennsylvania requests that the EPA correct source- specific requirements for United Refining Company within the Pennsylvania SIP that were previously included in error. This proposed action is being taken under the Clean Air Act (CAA).",
  "agencies": [
    "Environmental Protection Agency"
  ],
  "citation": "91 FR 48034",
  "end_page": 48042,
  "docket_id": "EPA-R03-OAR-2026-1685",
  "start_page": 48034,
  "page_length": 9,
  "effective_on": null,
  "published_at": "2026-07-30T00:00:00.000Z",
  "cfr_references": [
    {
      "part": "52",
      "title": 40,
      "chapter": null,
      "citation_url": null
    },
    {
      "part": "81",
      "title": 40,
      "chapter": null,
      "citation_url": null
    }
  ],
  "primary_agency": "Environmental Protection Agency",
  "document_number": "2026-15372",
  "comments_close_on": "2026-08-31T00:00:00.000Z",
  "regulation_id_numbers": []
}

{
  "url": "https://www.federalregister.gov/documents/2026/07/30/2026-15374/airworthiness-directives-airbus-helicopters-deutschland-gmbh-ahd-helicopters",
  "kind": "Proposed Rule",
  "title": "Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters",
  "action": "Notice of proposed rulemaking (NPRM).",
  "topics": [
    "Air transportation",
    "Aircraft",
    "Aviation safety",
    "Incorporation by reference",
    "Safety"
  ],
  "volume": 91,
  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-07-30/pdf/2026-15374.pdf",
  "abstract": "The FAA proposes to supersede Airworthiness Directive (AD) 2024-04-10, which applies to all Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3, and EC635T2+ helicopters. AD 2024-04-10 requires repetitively inspecting certain part-numbered tail rotor (T/R) blades for a crack and, depending on the results, removing any cracked T/R blade from service. AD 2024-04-10 also prohibits installing certain T/R blades on any helicopter unless certain requirements are met. Since AD 2024-04-10 was issued, it was determined that inspection Method A should be discontinued and that additional limitations shall be provided. This proposed AD would retain the actions of AD 2024-04-10 and would require repetitively inspecting a certain tail rotor blade (TRB) assembly for cracks and, depending on the results, removing any cracked TRB assembly from service and replacing an affected part as terminating action for the repetitive inspections. This proposed AD would also prohibit installing an affected TRB assembly on any helicopter unless certain requirements are met. The FAA is proposing this AD to address the unsafe condition on these products.",
  "agencies": [
    "Transportation Department",
    "Federal Aviation Administration"
  ],
  "citation": "91 FR 47994",
  "end_page": 47997,
  "docket_id": "Docket No. FAA-2026-7230",
  "start_page": 47994,
  "page_length": 4,
  "effective_on": null,
  "published_at": "2026-07-30T00:00:00.000Z",
  "cfr_references": [
    {
      "part": "39",
      "title": 14,
      "chapter": null,
      "citation_url": null
    }
  ],
  "primary_agency": "Transportation Department",
  "document_number": "2026-15374",
  "comments_close_on": "2026-09-14T00:00:00.000Z",
  "regulation_id_numbers": [
    "2120-AA64"
  ]
}

{
  "url": "https://www.federalregister.gov/documents/2026/07/30/2026-15377/air-plan-approval-california-san-joaquin-valley-air-pollution-control-district",
  "kind": "Rule",
  "title": "Air Plan Approval; California; San Joaquin Valley Air Pollution Control District",
  "action": "Final rule.",
  "topics": [
    "Air pollution control",
    "Environmental protection",
    "Incorporation by reference",
    "Intergovernmental relations",
    "Nitrogen oxides",
    "Ozone",
    "Reporting and recordkeeping requirements",
    "Volatile organic compounds"
  ],
  "volume": 91,
  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-07-30/pdf/2026-15377.pdf",
  "abstract": "The Environmental Protection Agency (EPA) is taking final action to approve a revision to the San Joaquin Valley Air Pollution Control District (SJVAPCD or \"District\") portion of the California State Implementation Plan (SIP) concerning two rules submitted to address section 185 of the Clean Air Act (CAA or the \"Act\") with respect to the 2008 and 2015 8-hour ozone National Ambient Air Quality Standards (NAAQS or \"standards\").",
  "agencies": [
    "Environmental Protection Agency"
  ],
  "citation": "91 FR 47962",
  "end_page": 47965,
  "docket_id": "EPA-R09-OAR-2025-1938",
  "start_page": 47962,
  "page_length": 4,
  "effective_on": "2026-08-31T00:00:00.000Z",
  "published_at": "2026-07-30T00:00:00.000Z",
  "cfr_references": [
    {
      "part": "52",
      "title": 40,
      "chapter": null,
      "citation_url": null
    }
  ],
  "primary_agency": "Environmental Protection Agency",
  "document_number": "2026-15377",
  "comments_close_on": null,
  "regulation_id_numbers": []
}

{
  "url": "https://www.federalregister.gov/documents/2026/07/30/2026-15403/administrative-costs-for-children-in-title-iv-e-foster-care",
  "kind": "Proposed Rule",
  "title": "Administrative Costs for Children in Title IV-E Foster Care",
  "action": "Proposed rule; withdrawal.",
  "topics": [],
  "volume": 91,
  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-07-30/pdf/2026-15403.pdf",
  "abstract": "This document withdraws a proposed rule that was published in the Federal Register on January 31, 2005. The proposed rule would have amended the regulations for Child and Family Services with respect to title IV-E administrative costs and eligibility determinations and re- determinations for title IV-E foster care recipients and foster care \"candidates\" to implement title IV-E foster care eligibility and administrative cost provisions in sections 472 and 474 of the Social Security Act (the Act) and incorporates previously issued policy guidance.",
  "agencies": [
    "Health and Human Services Department",
    "Children and Families Administration"
  ],
  "citation": "91 FR 48058",
  "end_page": 48058,
  "docket_id": null,
  "start_page": 48058,
  "page_length": 1,
  "effective_on": "2026-07-30T00:00:00.000Z",
  "published_at": "2026-07-30T00:00:00.000Z",
  "cfr_references": [
    {
      "part": "1356",
      "title": 45,
      "chapter": null,
      "citation_url": null
    }
  ],
  "primary_agency": "Health and Human Services Department",
  "document_number": "2026-15403",
  "comments_close_on": null,
  "regulation_id_numbers": [
    "0970-AC14"
  ]
}

{
  "url": "https://www.federalregister.gov/documents/2026/07/30/2026-15406/first-state-national-historical-park-bicycling",
  "kind": "Proposed Rule",
  "title": "First State National Historical Park; Bicycling",
  "action": "Proposed rule.",
  "topics": [
    "Reporting and recordkeeping requirements"
  ],
  "volume": 91,
  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-07-30/pdf/2026-15406.pdf",
  "abstract": "The National Park Service (NPS) proposes to issue special regulations for First State National Historical Park to allow for bicycle use on approximately 25 miles of trails within the Brandywine Valley unit of the park.",
  "agencies": [
    "Interior Department",
    "National Park Service"
  ],
  "citation": "91 FR 48028",
  "end_page": 48032,
  "docket_id": "NPS-FRST-DTS#NPS0042641",
  "start_page": 48028,
  "page_length": 5,
  "effective_on": null,
  "published_at": "2026-07-30T00:00:00.000Z",
  "cfr_references": [
    {
      "part": "7",
      "title": 36,
      "chapter": null,
      "citation_url": null
    }
  ],
  "primary_agency": "Interior Department",
  "document_number": "2026-15406",
  "comments_close_on": "2026-09-28T00:00:00.000Z",
  "regulation_id_numbers": [
    "1024-AE95"
  ]
}

{
  "url": "https://www.federalregister.gov/documents/2026/07/30/2026-15409/airworthiness-directives-bombardier-inc-airplanes",
  "kind": "Rule",
  "title": "Airworthiness Directives; Bombardier, Inc., Airplanes",
  "action": "Final rule.",
  "topics": [
    "Air transportation",
    "Aircraft",
    "Aviation safety",
    "Incorporation by reference",
    "Safety"
  ],
  "volume": 91,
  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-07-30/pdf/2026-15409.pdf",
  "abstract": "The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model BD-700-1A10 and BD-700-1A11 airplanes. This AD was prompted by an in-service event where a main landing gear tire burst upon landing. This AD requires an inspection to determine if an affected brake control unit (BCU) is installed and replacement of affected BCUs. This AD also prohibits the installation of affected parts. The FAA is issuing this AD to address the unsafe condition on these products.",
  "agencies": [
    "Transportation Department",
    "Federal Aviation Administration"
  ],
  "citation": "91 FR 47933",
  "end_page": 47936,
  "docket_id": "Docket No. FAA-2026-3864",
  "start_page": 47933,
  "page_length": 4,
  "effective_on": "2026-09-03T00:00:00.000Z",
  "published_at": "2026-07-30T00:00:00.000Z",
  "cfr_references": [
    {
      "part": "39",
      "title": 14,
      "chapter": null,
      "citation_url": null
    }
  ],
  "primary_agency": "Transportation Department",
  "document_number": "2026-15409",
  "comments_close_on": null,
  "regulation_id_numbers": [
    "2120-AA64"
  ]
}

{
  "url": "https://www.federalregister.gov/documents/2026/07/30/2026-15410/airworthiness-directives-airbus-sas-airplanes",
  "kind": "Rule",
  "title": "Airworthiness Directives; Airbus SAS Airplanes",
  "action": "Final rule.",
  "topics": [
    "Air transportation",
    "Aircraft",
    "Aviation safety",
    "Incorporation by reference",
    "Safety"
  ],
  "volume": 91,
  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-07-30/pdf/2026-15410.pdf",
  "abstract": "The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A330-841 and Model A330-941 airplanes. This AD was prompted by reports of crack findings on the sloping rib. This AD requires a repetitive inspection of the external surface of each sloping rib and each slat 1 inboard seal, and applicable corrective actions. The FAA is issuing this AD to address the unsafe condition on these products.",
  "agencies": [
    "Transportation Department",
    "Federal Aviation Administration"
  ],
  "citation": "91 FR 47938",
  "end_page": 47940,
  "docket_id": "Docket No. FAA-2026-4639",
  "start_page": 47938,
  "page_length": 3,
  "effective_on": "2026-09-03T00:00:00.000Z",
  "published_at": "2026-07-30T00:00:00.000Z",
  "cfr_references": [
    {
      "part": "39",
      "title": 14,
      "chapter": null,
      "citation_url": null
    }
  ],
  "primary_agency": "Transportation Department",
  "document_number": "2026-15410",
  "comments_close_on": null,
  "regulation_id_numbers": [
    "2120-AA64"
  ]
}

{
  "url": "https://www.federalregister.gov/documents/2026/07/30/2026-15411/airworthiness-directives-airbus-canada-limited-partnership-type-certificate-previously-held-by-c",
  "kind": "Rule",
  "title": "Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes",
  "action": "Final rule.",
  "topics": [
    "Air transportation",
    "Aircraft",
    "Aviation safety",
    "Incorporation by reference",
    "Safety"
  ],
  "volume": 91,
  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-07-30/pdf/2026-15411.pdf",
  "abstract": "The FAA is superseding Airworthiness Directive (AD) 2025-06- 01, which applied to all Airbus Canada Limited Partnership Model BD- 500-1A10 and BD-500-1A11 airplanes. AD 2025-06-01 required revising the existing airplane flight manual (AFM) to incorporate the procedures for the flightcrew to manually isolate the opposite functional engine in the event of an engine bleed duct large leak condition. Since the FAA issued AD 2025-06-01, an electronic engine control (EEC) software update has been developed to address the unsafe condition. This AD continues to require the actions in AD 2025-06-01 and requires installing a certain EEC software update on both engines. This AD also removes airplanes from the applicability. The FAA is issuing this AD to address the unsafe condition on these products.",
  "agencies": [
    "Transportation Department",
    "Federal Aviation Administration"
  ],
  "citation": "91 FR 47951",
  "end_page": 47953,
  "docket_id": "Docket No. FAA-2026-1336",
  "start_page": 47951,
  "page_length": 3,
  "effective_on": "2026-09-03T00:00:00.000Z",
  "published_at": "2026-07-30T00:00:00.000Z",
  "cfr_references": [
    {
      "part": "39",
      "title": 14,
      "chapter": null,
      "citation_url": null
    }
  ],
  "primary_agency": "Transportation Department",
  "document_number": "2026-15411",
  "comments_close_on": null,
  "regulation_id_numbers": [
    "2120-AA64"
  ]
}

{
  "url": "https://www.federalregister.gov/documents/2026/07/30/2026-15412/airworthiness-directives-mhi-rj-aviation-ulc-type-certificate-previously-held-by-bombardier-inc",
  "kind": "Rule",
  "title": "Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes",
  "action": "Final rule.",
  "topics": [
    "Air transportation",
    "Aircraft",
    "Aviation safety",
    "Incorporation by reference",
    "Safety"
  ],
  "volume": 91,
  "pdf_url": "https://www.govinfo.gov/content/pkg/FR-2026-07-30/pdf/2026-15412.pdf",
  "abstract": "The FAA is adopting a new airworthiness directive (AD) for all MHI RJ Aviation ULC Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2C11 (Regional Jet Series 550), CL-600-2D15 (Regional Jet Series 705), and CL-600-2D24 (Regional Jet Series 900) airplanes. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. The FAA is issuing this AD to address the unsafe condition on these products.",
  "agencies": [
    "Transportation Department",
    "Federal Aviation Administration"
  ],
  "citation": "91 FR 47946",
  "end_page": 47948,
  "docket_id": "Docket No. FAA-2026-2714",
  "start_page": 47946,
  "page_length": 3,
  "effective_on": "2026-09-03T00:00:00.000Z",
  "published_at": "2026-07-30T00:00:00.000Z",
  "cfr_references": [
    {
      "part": "39",
      "title": 14,
      "chapter": null,
      "citation_url": null
    }
  ],
  "primary_agency": "Transportation Department",
  "document_number": "2026-15412",
  "comments_close_on": null,
  "regulation_id_numbers": [
    "2120-AA64"
  ]
}