Reference Source

Air-Purifying Respirator

For Air-Purifying Respirator, facepiece is Quarter mask; assigned protection factor is 5; jurisdiction is Title 8, Section 5144, recorded from its source on 2026-08-10.

Respirator type
Air-Purifying Respirator verified
Facepiece
Quarter mask our reading
Assigned protection factor
5 verified
Jurisdiction
Title 8, Section 5144 our reading
Sourcedir.ca.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

Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... |

dir.ca.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.