---
kind: "section"
citation: "42 C.F.R. § 84.205"
title: "42"
number: "84.205"
heading: "Facepiece test; minimum requirements."
url: "https://uscodex.org/cfr/42/84.205"
---

# §84.205. Facepiece test; minimum requirements.

- (a) The complete chemical cartridge respirator will be fitted to the faces of persons having varying facial shapes and sizes.
- (b) Where the applicant specifies a facepiece size or sizes for the respirator together with the approximate measurement of faces they are designed to fit, the Institute will provide test subjects to suit such facial measurements.
- (c) Any chemical cartridge respirator part which must be removed to perform the facepiece or mouthpiece fit test shall be replaceable without special tools and without disturbing facepiece or mouthpiece fit.
- (d) The facepiece or mouthpiece fit test using the positive or negative pressure recommended by the applicant and described in his instructions will be used before each test.
- (e)
  - (1) Each wearer will enter a chamber containing 100 p.p.m. isoamyl acetate vapor for half-mask facepieces, and 1,000 p.p.m. for full facepieces, mouthpieces, hoods, and helmets.
  - (2) The facepiece or mouthpiece may be adjusted, if necessary, in the test chamber before starting the test.
  - (3) Each wearer will remain in the chamber for 8 minutes while performing the following activities:
    - (i) Two minutes, nodding and turning head;
    - (ii) Two minutes, calisthenic arm movements;
    - (iii) Two minutes, running in place; and
    - (iv) **Two minutes, pumping with a tire pump into a 28-liter (1 cubic-foot) container.**
  - (4) Each wearer shall not detect the odor of isoamyl-acetate vapor during the test.

## Notes

### Authority

Authority: 29 U.S.C. 651 et seq.; 30 U.S.C. 3, 5, 7, 811, 842(h), 844.

### Source

Source: 60 FR 30355, June 8, 1995, unless otherwise noted.