# International Business Machines (IBM) — Hazardous Materials Safety Interpretation

**Citation:** 99-0146  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 1999-10-05

99-0146 response to International Business Machines (IBM) concerning 172.407.

## Document text

99-0146. Organizations: International Business Machines (IBM). Recipients: Mr. Richard Eggleston. Cataloged sections: 172.407. The official response PDF is image-only or otherwise non-extractable; open it for the complete text.

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/1999/990146.pdf>
- Source ID: `phmsa`
- SHA-256: `59b28927c60431b5303ed2c4e8e0958200a027642da96b249c11819e7dc76a39`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-23T10:28:01.770Z
- Document slug: `phmsa-interpretation-99-0146`

### Source metadata

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  "caveat": "Interpretations apply regulations to the facts presented and do not create independently enforceable requirements.",
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```