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- Query: `PI-74-0104`
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## 1. Mrs. Edward G. Buchholz — Pipeline Safety Interpretation

**Citation:** PI-74-0104  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** Not stated / 1974-03-19

PI-74-0104 concerning 192.3.

### Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1974/g74-03-19_Buchholz_192.3_Master%20Meter-nlmx.pdf>
- Source ID: `phmsa`
- SHA-256: `2193d3e1af86f3f25bccd1188285040679aca8700e5461a04238362e2bee689a`
- Retrieved: 2026-08-20T00:59:31.977Z
- Document slug: `phmsa-interpretation-pi-74-0104`
- Related records: 1