The December 2025 issue of The Regulator, published by NOPSEMA, contains two key updates for hyperbaric workers. The first is the release of updated Diving Guidelines, and the second brings focus to the importance of regulating psychosocial hazards in the workplace.
US Navy Tables Revision
The US Navy decompression tables have been revised and republished.
On the 1st of April 2017, Revision 6 of the USN Tables was replaced by Revision 7. This revision provides updates to technical information, corrects errors, and improves readability. A concise list of changes made can be found in the ‘Executive Summary – USN Dive Manual Revision 7’ document issued by the US Navy.
The USN tables are not copyright and are available for public release with unlimited distribution allowed.
An electronic copy of the USN tables can be found on the Naval Sea Systems Command website.
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