SCBA/SAR : An abbreviation for combination open-circuit SCBA and supplied air respirator. See: Combination SCBA/SAR, Self-Contained Breathing Apparatus, and Supplied Air Respirator
NFPA 1981 Standard on Open-Circuit Self-Contained Breathing Apparatus for Fire and Emergency Services, 2002 ed. https://www.nfpa.org/assets/files/AboutTheCodes/18 52/1852-F2007-ROP.pdf, (Std: Open-Circuit SCBA for Fr and Emr Srvc - Amer) {432 NFC}