# Regulus search export

- Query: `84 FR 20940`
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- Exported: 2026-08-23T18:12:35.933Z

## 1. NTSB Safety Recommendation P-11-011

**Citation:** P-11-011  
**Type / status:** guidance / guidance  
**Agency:** National Transportation Safety Board  
**Effective / published:** 2011-09-26 / 2011-09-26

TO THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION: Amend Title 49 Code of Federal Regulations 192.935(c) to directly require that automatic shutoff valves or remote control valves in high consequence areas and in class 3 and 4 locations be installed and spaced at intervals that consider the factors listed in that regulation.

### Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/carol-main-public/sr-details/P-11-011>
- Source ID: `ntsb-pipeline`
- SHA-256: `89ee29bb91d34ccf39456f57dbe4a56b59ac545d67efd9a9bac9f6d4550328ce`
- Retrieved: 2026-08-20T04:57:24.741Z
- Document slug: `ntsb-recommendation-p-11-011`
- Related records: 15