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- Query: `PI-81-0104`
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- Exported: 2026-08-23T07:57:21.133Z

## 1. Pipeline Safety Interpretation PI-81-0104

**Citation:** PI-81-0104  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** Not stated / 1981-04-24

PI-81-0104 concerning 192.615.

### Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretations/Pipeline/1981/g81-04-24_Hoffman_192.615-msfX.pdf>
- Source ID: `phmsa`
- SHA-256: `2ce93a9dbd0da65c8b581441acb5390cd9c60fd6d15617539af7eec8a76e0299`
- Retrieved: 2026-08-20T00:59:31.977Z
- Document slug: `phmsa-interpretation-pi-81-0104`
- Related records: 1