Document: 10 CFR Part 20
Document ID: f899860c-1afc-494c-8665-8b5ccf40104f
Document Type: cfr
Title: Use of individual respiratory protection equipment.
Source: 10 CFR Part 20
Source URL: https://www.ecfr.gov/current/title-10/part-20/section-20.1703
Revision Date: 
Chapter: 
Section ID: 20.1703
CFR Part: 20
CFR Title: 10

Content:
dkeeping; and ( ix ) Limitations on periods of respirator use and relief from respirator use; ( 5 ) Determination by a physician that the individual user is medically fit to use respiratory protection equipment: ( i ) Before the initial fitting of a face sealing respirator; ( ii ) Before the first field use of non-face sealing respirators, and ( iii ) Either every 12 months thereafter, or periodically at a frequency determined by a physician. ( 6 ) Fit testing, with fit factor ≥10 times the APF for negative pressure devices, and a fit factor ≥500 for any positive pressure, continuous flow, and pressure-demand devices, before the first field use of tight fitting, face-sealing respirators and periodically thereafter at a frequency not to exceed 1 year. Fit testing must be performed with the facepiece operating in the negative pressure mode. ( d ) The licensee shall advise each respirator user that the user may leave the area at any time for relief from respirator use in the event of equipment malfunction, physical or psychological distress, procedural or communication failure, significant deterioration of operating conditions, or any other conditions that might require such relief. ( e ) The licensee shall also consider limitations appropriate to the type and mode of use. When selecting respiratory devices the licensee shall provide for vision correction, adequate communication, low temperature work environments, and the concurrent use of other safety or radiological protection equipment. The licensee shall use equipment in such a way as not to interfere with the proper operation of the respirator. ( f ) Standby rescue persons are required whenever one-piece atmosphere-supplying suits, or any combination of supplied air respiratory protection device and personnel protective equipment are used from which an unaided individual would have difficulty extricating himself or herself. The standby persons must be equipped with respiratory protection devices or other