"DDRC Hyperbaric Supervisor Logbook" is an essential record for Hyperbaric Chamber Operator Supervisors. Designed by the Diving Diseases Research Centre (DDRC) a leading centre established to research the effects of diving on human physiology. This logbook is a product of DDRC's extensive experience in chamber operations (more than 25 years) and the requirements for detailed yet concise reporting. The logbook contains space for over 1,800 chamber operation entries with all relevant information included. Records of qualifications obtained are included together with records of medical fitness and personal details of the owner. For Hyperbaric Chamber Operator Supervisors this Logbook is an essential record of work that demonstrates both experience and ability within the Hyperbaric Industry.