1) The SCBA shall be approved to NIOSH 42 CFR, Part 84 for chemical, biological, radiological and nuclear protection. (CBRN) 2) The SCBA shall be compliant to the NFPA 1981, 2018 Edition, Standard on Open-Circuit Self-Contained Breathing Apparatus for Emergency Services. The SCBA shall consist of the following major sub-assemblies: 1. Removable, positive pressure, mask mounted regulator with air purge. 2. An automatic, dual path redundant pressure-reducing regulator. 3. Shoulder strap mounted, remote gauge indicating cylinder pressure 4. A rapid intervention crew/ universal air connection. 5. Personal alert safety system (PASS). 6. 4500 psi, 30-minute carbon fiber cylinder and valve assembly with snap fit connection on bottle and air pack assembly.
