---
kind: "section"
citation: "46 C.F.R. § 197.520"
title: "46"
number: "197.520"
heading: "Performance standard."
url: "https://uscodex.org/cfr/46/197.520"
---

# §197.520. Performance standard.


No person may be subjected to a personal exposure in excess of the permissible exposure limits unless respiratory protection is used.


## Notes

### Source

Source: CGD 88-040, 56 FR 52135, Oct. 17, 1991, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1509; 43 U.S.C. 1333; 46 U.S.C. 3306, 3703, 6101; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 76-009, 43 FR 53683, Nov. 16, 1978, unless otherwise noted.