{"abstract":"This notice is a summary of a petition for modification submitted to the Mine Safety and Health Administration (MSHA) by Knight Hawk Coal, LLC.","action":"Notice.","agencies":[{"raw_name":"DEPARTMENT OF LABOR","name":"Labor Department","id":271,"url":"https://www.federalregister.gov/agencies/labor-department","json_url":"https://www.federalregister.gov/api/v1/agencies/271","parent_id":null,"slug":"labor-department"},{"raw_name":"Mine Safety and Health Administration","name":"Mine Safety and Health Administration","id":288,"url":"https://www.federalregister.gov/agencies/mine-safety-and-health-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/288","parent_id":271,"slug":"mine-safety-and-health-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2026/04/03/2026-06511.html","cfr_references":[],"citation":"91 FR 16980","comment_url":"http://www.regulations.gov/commenton/MSHA-2026-0103-0001","comments_close_on":"2026-05-04","correction_of":null,"corrections":[],"dates":"All comments on the petition must be received by MSHA's Office of Standards, Regulations, and Variances on or before May 4, 2026.","disposition_notes":null,"docket_ids":[],"dockets":[{"supporting_documents":[],"agency_name":"MSHA","documents":[{"comment_count":0,"comment_start_date":"2026-04-03","updated_at":"2026-04-03T10:01:25.482-04:00","comment_url":"https://www.regulations.gov/commenton/MSHA-2026-0103-0001","allow_late_comments":false,"id":"MSHA-2026-0103-0001","comment_end_date":"2026-05-05","regulations_dot_gov_open_for_comment":true}],"supporting_documents_count":0,"id":"MSHA-2026-0103","title":"Petitions for Modification - M-2026-005-C"}],"document_number":"2026-06511","effective_on":null,"end_page":16981,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/04/03/2026-06511.xml","html_url":"https://www.federalregister.gov/documents/2026/04/03/2026-06511/petition-for-modification-of-application-of-existing-mandatory-safety-standards","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-06511?publication_date=2026-04-03","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-04-03/2026-06511/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":26,"last_updated":"2026-04-03 20:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-04-03/pdf/2026-06511.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-06511.pdf?1775133913","publication_date":"2026-04-03","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/04/03/2026-06511.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[],"comments_count":0,"agency_id":"MSHA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=MSHA-2026-0103","supporting_documents_count":0,"docket_id":"MSHA-2026-0103","document_id":"MSHA-2026-0103-0001","regulation_id_number":null,"title":"Petitions for Modification - M-2026-005-C","checked_regulationsdotgov_at":"2026-04-04T00:55:05Z"},"regulations_dot_gov_url":"http://www.regulations.gov/commenton/MSHA-2026-0103-0001","significant":null,"signing_date":null,"start_page":16980,"subtype":null,"title":"Petition for Modification of Application of Existing Mandatory Safety Standards","toc_doc":"Modification of Application of Existing Mandatory Safety Standards","toc_subject":"Petition","topics":[],"type":"Notice","volume":91}