# Regulus search export

- Query: `75 FR 4134`
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- Exported: 2026-08-25T03:26:59.999Z

## 1. Pipeline Safety: Leak Detection on Hazardous Liquid Pipelines

**Citation:** 75 FR 4134  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** Not stated / 2010-01-26

The Pipeline and Hazardous Materials Safety Administration (PHMSA) is issuing this Advisory Bulletin to advise and remind hazardous liquid pipeline operators of the importance of prompt and effective leak detection capability in protecting public safety and the environment.

### Provenance

- Official: Yes
- Source: <https://www.federalregister.gov/documents/2010/01/26/2010-1497/pipeline-safety-leak-detection-on-hazardous-liquid-pipelines>
- Source ID: `federal-register`
- SHA-256: `f6bd915739b1dee7225407c95ef3641ca37f7d4e60c55156c5f1082eca31e57e`
- Retrieved: 2026-08-20T06:04:51.294Z
- Document slug: `federal-register-2010-1497`
- Related records: 2