ALL Divers need a log book, yet most log books out there aren't worth it. They are either filled with tons of useless items dedicated to things entirely unnecessary for a log book, or they only have space for 20 to 50 dives in them, or both. And this forces you to compromise, as well as spend a lot of money in the long run on many inadequate log books. Well THIS log book solves all of those problems. A LOG BOOK FOR OCCUPATIONAL DIVERS, INSTRUCTORS, DIVE MASTERS, PUBLIC SAFETY DIVERS, and all other divers, recreational, technical, and professional alike. This log book meets requirements for divers to record training, experience, and work performed underwater. It may be used for verification purposes, and may be submitted as legal proof to organizations both public and private, as well as government and legal authorities. Though its intended use is for professional divers of all types, this log book may be used by divers of all levels, from recreational through to occupational, and it is recommended that divers record all training and qualifications, medical clearances, and evaluations and designations, and continue use through additional logbook volumes once this volume is full.This logbook contains entries for up to 200 dives, and records are designed purposely to provide only the absolute necessary information in a simple and easily-understandable format. The minimum information required per OSHA and the US Navy includes: Date of the dive; Location of the dive; Purpose of the dive; Time of the dive (Including time down, time up, and total time); Name of the diver and designated position; Name of all team members and their positions; Maximum depth; Dive mode; Nature of work; and Approximate conditions. For dives requiring decompression, the additional minimum information required per OSHA and the US Navy includes: Depth-time and breathing gas profiles; Decompression table, profile, and time (and any modifications); and Elapsed time since last pressure exposure if less than 24 hours.This logbook meets the requirements for OSHA, the DoD, and the US Navy for personal divers logbooks IAW: OPNAVINST 3150.27D (1MAR21), Appendix B, Para. 36.; the US Navy Diving Manual SS521-AG-PRO-010 (1DEC16), Rev. 7, Vol 1, Ch. 5, Para. 5-7; and 29 CFR Part 1910.440, Sub T, DN: CPL-02-00-151 (13JUN11).