Oregon Oregon Health Authority, Public Health Division

Rule Rule 333-120-0340
Respiratory Protection and Controls to Restrict Internal Exposure in Restricted Areas: Application for Use of Higher Assigned Protection Factors

The licensee shall obtain authorization from the Authority before using assigned protection factors in excess of those specified in 10 CFR Part 20, Appendix A. The Authority may authorize a licensee to use higher assigned protection factors on receipt of an application that:


Describes the situation for which a need exists for higher protection factors; and


Demonstrates that the respiratory protection equipment provides these higher protection factors under the proposed conditions of use.

Last accessed
Jun. 8, 2021