{"abstract":"PHMSA is publishing this notice and a draft letter of decision to solicit public comment on a petition for approval that would authorize the use of an alternate flammable vapor-gas dispersion model in connection with the siting of liquefied natural gas (LNG) facilities.","action":"Notice.","agencies":[{"raw_name":"DEPARTMENT OF TRANSPORTATION","name":"Transportation Department","id":492,"url":"https://www.federalregister.gov/agencies/transportation-department","json_url":"https://www.federalregister.gov/api/v1/agencies/492","parent_id":null,"slug":"transportation-department"},{"raw_name":"Pipeline and Hazardous Materials Safety Administration","name":"Pipeline and Hazardous Materials Safety Administration","id":408,"url":"https://www.federalregister.gov/agencies/pipeline-and-hazardous-materials-safety-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/408","parent_id":492,"slug":"pipeline-and-hazardous-materials-safety-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2026/09/09/2026-18346.html","cfr_references":[],"citation":"91 FR 57446","comment_url":null,"comments_close_on":"2026-10-09","correction_of":null,"corrections":[],"dates":"Submit any comments regarding the petition by October 9, 2026.","disposition_notes":null,"docket_ids":["Docket No. PHMSA-2024-0164"],"dockets":[{"supporting_documents":[{"title":"2024-0164 - DRAFT Decision on Petition","document_id":"PHMSA-2024-0164-0002"}],"agency_name":"PHMSA","documents":[{"comment_count":2,"comment_start_date":"2026-09-09","updated_at":"2026-10-13T01:55:47.722-04:00","comment_url":"https://www.regulations.gov/commenton/PHMSA-2024-0164-0003","allow_late_comments":false,"id":"PHMSA-2024-0164-0003","comment_end_date":"2026-10-10","regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":1,"id":"PHMSA-2024-0164","title":"Gexcon- Petition for Approval"}],"document_number":"2026-18346","effective_on":null,"end_page":57447,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/09/09/2026-18346.xml","html_url":"https://www.federalregister.gov/documents/2026/09/09/2026-18346/gexcon-us-incs-petition-for-effects-version-1220-as-an-alternative-model-for-calculating-the","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-18346?publication_date=2026-09-09","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-09-09/2026-18346/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":147,"last_updated":"2026-10-23 00:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-09-09/pdf/2026-18346.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-18346.pdf?1788871518","publication_date":"2026-09-09","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/09/09/2026-18346.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"2024-0164 - DRAFT Decision on Petition","document_id":"PHMSA-2024-0164-0002"}],"comments_count":2,"agency_id":"PHMSA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=PHMSA-2024-0164","supporting_documents_count":1,"docket_id":"PHMSA-2024-0164","document_id":"PHMSA-2024-0164-0003","regulation_id_number":null,"title":"Gexcon- Petition for Approval","checked_regulationsdotgov_at":"2026-10-14T08:55:04Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":57446,"subtype":null,"title":"Gexcon U.S., Inc.'s Petition for EFFECTS Version 12.2.0 as an Alternative Model for Calculating the Vapor-Gas Dispersion Exclusion Zone","toc_doc":"Gexcon U.S., Inc.; EFFECTS Version 12.2.0 as an Alternative Model for Calculating the Vapor-Gas Dispersion Exclusion Zone","toc_subject":"Environmental Assessments; Availability, etc.","topics":[],"type":"Notice","volume":91}