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- Query: `PI-77-0109`
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- Exported: 2026-08-23T04:23:52.888Z

## 1. Pipeline Safety Interpretation PI-77-0109

**Citation:** PI-77-0109  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** Not stated / 1977-12-14

PI-77-0109 concerning 192.707.

### Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1977/g77-12-14_Duncan_192.707-msfx.pdf>
- Source ID: `phmsa`
- SHA-256: `46e29bcf6039b6c62313913732e00cf8de2cf7f49c1e9b0f0baa4f2d6a79079e`
- Retrieved: 2026-08-20T00:59:31.977Z
- Document slug: `phmsa-interpretation-pi-77-0109`
- Related records: 1