# Regulus search export

- Query: `PI-74-0117`
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- Exported: 2026-08-22T07:34:07.157Z

## 1. Metallurgical Consultants — Pipeline Safety Interpretation

**Citation:** PI-74-0117  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** Not stated / 1974-05-24

PI-74-0117 response to Metallurgical Consultants concerning 192.221.

### Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1974/g74-05-24_Dill_192.221-nlmx.pdf>
- Source ID: `phmsa`
- SHA-256: `4e8004c083c90f8f5bca0f14fa9d3065bde0315360f83fc7c4ad87eebfddfc7f`
- Retrieved: 2026-08-20T00:59:31.977Z
- Document slug: `phmsa-interpretation-pi-74-0117`
- Related records: 1