---
kind: "section"
citation: "42 C.F.R. § 84.51"
title: "42"
number: "84.51"
heading: "Entry and escape, or escape only; classification."
url: "https://uscodex.org/cfr/42/84.51"
---

# §84.51. Entry and escape, or escape only; classification.


Respirators described in subparts H through L of this part shall be classified for use as follows:

- (a) **Entry and escape.** Respirators designed and approved for use during entry into a hazardous atmosphere, and for escape from a hazardous atmosphere; or
- (b) **Escape only.** Respirators designed and approved for use only during escape from a hazardous atmosphere.

## 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.