This regulation establishes requirements for the identification and labeling of medical gas and vacuum piped system central supply locations, including proper door signage for rooms containing oxygen or medical air versus other positive pressure gases. Facility operators must ensure containers, cylinders, and tanks are designed, fabricated, tested, and marked per NFPA 99 standards. Appropriate warning labels regarding smoking, open flames, and ventilation must be posted on supply room doors.
View official sourceK905 Gas and Vacuum Piped Systems – Central Supply System Identification and Labeling Containers, cylinders and tanks are designed, fabricated, tested, and marked in accordance with 5.1.3.1.1 through 5.1.3.1.7. Locations containing only oxygen or medical air have doors labeled with "Medical Gases, NO Smoking or Open Flame". Locations containing other gases have doors labeled "Positive Pressure Gases, NO Smoking or Open Flame, Room May Have Insufficient Oxygen, Open Door and Allow Room to Ventilate Before Opening.” 5.1.3.1, 5.2.3.1, 5.3.10 (NFPA 99)