46 CFR § 197.338 - Compressed gas cylinders.

---
identifier: "/us/cfr/t46/s197.338"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 197.338 - Compressed gas cylinders."
title_number: 46
title_name: "Shipping"
section_number: "197.338"
section_name: "Compressed gas cylinders."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "V"
subchapter_name: "MARINE OCCUPATIONAL SAFETY AND HEALTH STANDARDS"
part_number: "197"
part_name: "GENERAL PROVISIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
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."
regulatory_source: "CGD 76-009, 43 FR 53683, Nov. 16, 1978, unless otherwise noted."
cfr_part: "197"
---


# 197.338 Compressed gas cylinders.

Each compressed gas cylinder must—

(a) Be stored in a ventilated area;

(b) Be protected from excessive heat;

(c) Be prevented from falling;

(d) Be tested after any repair, modification, or alteration to the pressure boundaries as set forth in § 197.462; and

(e) Meet the requirements of—

(1) Part 54 of this chapter; or

(2) 49 CFR 173.34 and 49 CFR part 178, subpart C.