Area of Administration : (Hcf-Gas) Any point within a room within 15 ft (4. 3 m) of oxygen equipment or an enclosure containing or intended to contain an oxygen-enriched atmosphere
NFPA 99 Standard for Health Care Facilities, 2002 ed. https://law.resource.org/pub/us/cfr/ibr/004/nfpa.9 9.2005.pdf, (Std: Hlth Care Fcilty - Amer) {242 NFC}