# General requirements.

**Citation:** 49 CFR 178.272-1  
**Type / status:** regulation / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2005-10-01  
**Published:** Not stated

(a) Specification IM 102 portable tanks must conform to the general design and construction requirements in § 178.270 of this subpart in addition to the specific design requirements contained in this section.

(b) The MAWP of each tank shall be less than 1.75 bar (25.4 psig) but at least 1.0 bar (14

## Document text

(a) Specification IM 102 portable tanks must conform to the general design and construction requirements in § 178.270 of this subpart in addition to the specific design requirements contained in this section.

(b) The MAWP of each tank shall be less than 1.75 bar (25.4 psig) but at least 1.0 bar (14.5 psig).

(c) Each tank shall be designed and constructed in accordance with the requirements in Section VIII of the ASME Code (IBR, see § 171.7 of this subchapter) except as limited or modified in this section or in § 178.270 of this subpart. ASME certification or stamp is not required.

[Amdt. 178-65, 46 FR 9899, Jan. 29, 1981, as amended by Amdt. 178-104, 59 FR 49135, Sept. 26, 1994; 66 FR 45387, Aug. 28, 2001; 68 FR 75751, Dec. 31, 2003]

## Provenance

- Official: Yes
- Source: <https://www.govinfo.gov/app/details/CFR-2005-title49-vol2/CFR-2005-title49-vol2-sec178-272-1>
- Source ID: `govinfo-cfr`
- SHA-256: `5ce9c05d5cdaf9cf5e3c033ac39e8b601be19d0879430c3f8dfb845745785110`
- Retrieved: 2026-08-13T06:37:34.028Z
- Exported: 2026-08-24T01:21:27.076Z
- Document slug: `49-cfr-178-272-1`

### Source metadata

```json
{
  "part": "178",
  "section": "178.272-1",
  "subpart": "Subpart H—Specifications for Portable Tanks",
  "annualEdition": 2005,
  "revisedAsOf": "2005-10-01",
  "govInfoPackage": "CFR-2005-title49-vol2",
  "legalStatus": "official-annual-cfr-edition",
  "effectiveDateNote": null,
  "historicalAnchor": true,
  "historicalAnchorNote": "The section appears in an official annual CFR edition but is absent from the connected current eCFR corpus.",
  "jurisdiction": "US"
}
```