# Regulus search export

- Query: `PI-73-0100`
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- Exported: 2026-08-24T15:01:41.409Z

## 1. Cathodic Protection Service — Pipeline Safety Interpretation

**Citation:** PI-73-0100  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** Not stated / 1973-01-03

PI-73-0100 response to Cathodic Protection Service concerning 192.457.

### Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1973/g73-01-03_Doremus_192.457-nlmx.pdf>
- Source ID: `phmsa`
- SHA-256: `3a6e9ee3410dfbe9ddf0df9caa2d9b7524a62551578fbdd180827d5348d4e3c1`
- Retrieved: 2026-08-20T00:59:31.977Z
- Document slug: `phmsa-interpretation-pi-73-0100`
- Related records: 1