Hyperbaric chambers, commonly used in the treatment of decompression sickness, feature the medical use of oxygen at a level higher than atmospheric pressure. Monoplace, or single person occupancy, hyperbaric chambers meet ASME PVHO-1 and the National Fire Protection Association standards for healthcare facilities (NFPA 99, Chapter 20) and feature reproducible treatment protocols, computer-stored and hard copy of treatment records, hard copy records.