2018 Revision to Technical Guidance for Assessing Effects of Anthropogenic Sound on Marine Mammal Hearing

Per approval of the Secretary of Commerce, The National Marine Fisheries Service (NMFS) announces the availability of the 2018 Revision (NOAA Technical Memorandum NMFS-OPR-59) to its 2016 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) based on comments received during the review of the Guidance pursuant to section 10 of Presidential Executive Order, Implementing an America-First Offshore Energy Strategy (April 28, 2017).