---
kind: "section"
citation: "49 C.F.R. § 178.348-5"
title: "49"
number: "178.348-5"
heading: "Pressure and leakage test."
url: "https://uscodex.org/cfr/49/178.348-5"
---

# §178.348-5. Pressure and leakage test.

- (a) Each cargo tank must be tested in accordance with [§ 178.345-13](/cfr/49/178.345-13.md) and this section.
- (b) **Pressure test.** Test pressure must be as follows:
  - (1) Using the hydrostatic test method, the test pressure must be at least 1.5 times MAWP.
  - (2) Using the pneumatic test method, the test pressure must be at least 1.5 times tank MAWP, and the inspection pressure is tank MAWP.

## Notes

### Amendments

[Amdt. 178-89, 54 FR 25032, June 12, 1989. Redesignated by Amdt. 178-112, 61 FR 18934, Apr. 29, 1996]

### Source

Source: 29 FR 18975, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

### Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

### Amendments

[Amdt. 178-89, 54 FR 25032, June 12, 1989. Redesignated by Amdt. 178-112, 61 FR 18934, Apr. 29, 1996]