---
kind: "section"
citation: "46 C.F.R. § 197.452"
title: "46"
number: "197.452"
heading: "Oxygen cleaning."
url: "https://uscodex.org/cfr/46/197.452"
---

# §197.452. Oxygen cleaning.


The diving supervisor shall ensure that equipment used with oxygen or oxygen mixtures greater than 40 percent by volume is cleaned of flammable materials—

- (a) Before being placed into service; and
- (b) **After any repair, alteration, modification, or suspected contamination.**

## Notes

### 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.