Reference Source

Self-Contained Breathing Apparatus (SCBA)

For Self-Contained Breathing Apparatus (SCBA), facepiece is Helmet/hood; operating mode is Demand mode; assigned protection factor is 50; jurisdiction is 29 CFR 1910.134, recorded from its source on 2026-08-10.

Respirator type
Self-Contained Breathing Apparatus (SCBA) verified
Facepiece
Helmet/hood our reading
Operating mode
Demand mode verified
Assigned protection factor
50 verified
Jurisdiction
29 CFR 1910.134 our reading
Sourceecfr.gov
Verified
Review by
DatasetRespirator assigned protection factors — federal OSHA and Cal/OSHA, with maximum use concentrations

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | | 10 | 50 | | | • Continuous flow mode | | 50 | 1,000 | 4 25/1,000 | 25 | • Pressure-demand or other positive-pressure mode | | 50 | 1,000 | | | 4. Self-Contained Breathing Apparatus (SCBA) | | | | | | • Demand mode | | 10 | 50 | 50 | |

ecfr.gov, retrieved 2026-08-10

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.