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- Query: `46 FR 9891`
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- Exported: 2026-08-23T07:37:41.923Z

## 1. Periodic testing and inspection of Specification IM portable tanks.

**Citation:** 49 CFR 173.32b  
**Type / status:** regulation / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** 2000-10-01 / Not stated

(a) Periodic testing—(1) Hydrostatic test. Each Specification IM portable tank (§§ 178.270, 178.271 and 178.272 of this subchapter) and all piping, valves and accessories, except pressure-relief devices, shall be hydrostatically tested with water, or other liquid of similar density and viscosity, to

### Provenance

- Official: Yes
- Source: <https://www.govinfo.gov/app/details/CFR-2000-title49-vol2/CFR-2000-title49-vol2-sec173-32b>
- Source ID: `govinfo-cfr`
- SHA-256: `2783a0e92b777ae64ebd6a75de62b474e94afef382b5bef19cc22350d78f3665`
- Retrieved: 2026-08-13T06:37:23.437Z
- Document slug: `49-cfr-173-32b`
- Related records: 11