All serious divers should have this comprehensive manual in their library. Dozens of the foremost diving scientists, educators, and other professionals in the field have contributed to and reviewed this important volume. The 6th edition is vastly more robust than previous editions, and the MSRP is 10% less than previous editions - giving the reader more value for a lower price. This sixth edition of the NOAA Diving Manual builds on earlier editions, combining new developments in equipment and cutting-edge methods and procedures to provide a reference text that is useful for not only scientists but also all divers.New Chapters Advanced Platform Support - diving with ROVs/AUVs, submersibles, and atmospheric diving systems Underwater Photography and Videography Significantly revised and updated chapters include: Diving Equipment Procedures for Scientific Dives Rebreathers Polluted-Water Diving This edition also includes the new NOAA nitrox tables.