{"abstract":"The National Marine Fisheries Service (NMFS) announces the availability of its final Technical Guidance for Assessing the Effects of Anthropogenic Sound on Marine Mammal Hearing--Underwater Acoustic Thresholds for Onset of Permanent and Temporary Threshold Shifts (Technical Guidance or Guidance) that provides updated received levels, or acoustic thresholds, above which individual marine mammals under NMFS' jurisdiction are predicted to experience changes in their hearing sensitivity (either temporary or permanent) for all underwater anthropogenic sound sources.","action":"Notice.","agencies":[{"raw_name":"DEPARTMENT OF COMMERCE","name":"Commerce Department","id":54,"url":"https://www.federalregister.gov/agencies/commerce-department","json_url":"https://www.federalregister.gov/api/v1/agencies/54","parent_id":null,"slug":"commerce-department"},{"raw_name":"National Oceanic and Atmospheric Administration","name":"National Oceanic and Atmospheric Administration","id":361,"url":"https://www.federalregister.gov/agencies/national-oceanic-and-atmospheric-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/361","parent_id":54,"slug":"national-oceanic-and-atmospheric-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2016/08/04/2016-18462.html","cfr_references":[],"citation":"81 FR 51694","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":null,"disposition_notes":null,"docket_ids":[],"dockets":[],"document_number":"2016-18462","effective_on":null,"end_page":51724,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2016/08/04/2016-18462.xml","html_url":"https://www.federalregister.gov/documents/2016/08/04/2016-18462/technical-guidance-for-assessing-the-effects-of-anthropogenic-sound-on-marine-mammal","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2016-18462?publication_date=2016-08-04","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2016-08-04/2016-18462/mods.xml","not_received_for_publication":null,"page_length":31,"page_views":{"count":2221,"last_updated":"2026-10-24 06:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2016-08-04/pdf/2016-18462.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2016-18462.pdf?1470228346","publication_date":"2016-08-04","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2016/08/04/2016-18462.txt","regulation_id_number_info":{"0648-XC96":null},"regulation_id_numbers":["0648-XC96"],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2016-08-24T06:00:21Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":51694,"subtype":null,"title":"Technical Guidance for Assessing the Effects of Anthropogenic Sound on Marine Mammal Hearing-Underwater Acoustic Thresholds for Onset of Permanent and Temporary Threshold Shifts","toc_doc":"Underwater Acoustic Thresholds for Onset of Permanent and Temporary Threshold Shifts; Technical Guidance","toc_subject":"Assessing the Effects of Anthropogenic Sound on Marine Mammal Hearing:","topics":[],"type":"Notice","volume":81}