---
kind: "section"
citation: "42 C.F.R. § 84.163"
title: "42"
number: "84.163"
heading: "Man test for gases and vapors; Type C supplied-air respirators, demand and pressure-demand classes; test requirements."
url: "https://uscodex.org/cfr/42/84.163"
---

# §84.163. Man test for gases and vapors; Type C supplied-air respirators, demand and pressure-demand classes; test requirements.

- (a) The completely assembled respirator will be worn in a chamber containing 0.1 ±0.025 percent isoamyl acetate vapor, the intake of the hose will be connected to a suitable source of respirable air, and not more than 25 percent of the hose length will be located in isoamyl acetate-free air.
- (b) The test will be conducted at the minimum pressure with the maximum hose length and will be repeated at the maximum pressure with the minimum hose length.

## 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.