# Regulus search export

- Query: `PI-73-0118`
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- Exported: 2026-08-23T04:37:34.458Z

## 1. Raychen Corporation — Pipeline Safety Interpretation

**Citation:** PI-73-0118  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** Not stated / 1973-10-31

PI-73-0118 response to Raychen Corporation concerning 192.53.

### Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1973/g73-10-31_Underwood_192.53-lmx.pdf>
- Source ID: `phmsa`
- SHA-256: `56d83bb85584cba930660347adbc0612083c479864eee158ac0ca7023259dfc8`
- Retrieved: 2026-08-20T00:59:31.977Z
- Document slug: `phmsa-interpretation-pi-73-0118`
- Related records: 2