# Regulus search export

- Query: `81 FR 20721`
- Source type: All
- Part: All
- Source: All
- Status: All
- Jurisdiction: All
- Collection: All
- Incident class: All
- Sort: relevance
- Date from: Any
- Date to: Any
- As of: Current corpus
- Results: 5
- Exported: 2026-08-25T17:21:35.299Z

## 1. NTSB Safety Recommendation P-14-001

**Citation:** P-14-001  
**Type / status:** guidance / guidance  
**Agency:** National Transportation Safety Board  
**Effective / published:** 2014-03-05 / 2014-03-05

TO THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION: Revise Title 49 Code of Federal Regulations Section 903, Subpart O, Gas Transmission Pipeline Integrity Management, to add principal arterial roadways including interstates, other freeways and expressways, and other principal arterial roadways as defined in the Federal Highway Administration’s Highway Functional Classification Concepts, Criteria and Proce

### Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/carol-main-public/sr-details/P-14-001>
- Source ID: `ntsb-pipeline`
- SHA-256: `659a2c084506e1c2a6c24eb65a8e43ad6fc8b57c43e9faa8721311cfa7dc12e7`
- Retrieved: 2026-08-20T04:57:24.741Z
- Document slug: `ntsb-recommendation-p-14-001`
- Related records: 2

## 2. NTSB Safety Recommendation P-15-022

**Citation:** P-15-022  
**Type / status:** guidance / guidance  
**Agency:** National Transportation Safety Board  
**Effective / published:** 2015-02-10 / 2015-02-10

TO THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION: Develop and implement a plan for all segments of the pipeline industry to improve data integration for integrity management through the use of geographic information systems.

### Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/carol-main-public/sr-details/P-15-022>
- Source ID: `ntsb-pipeline`
- SHA-256: `505c9f60ccd6028e0fcde82d3f1e79ec2744a43bc8e50fbeea936e551452ff34`
- Retrieved: 2026-08-20T04:57:24.741Z
- Document slug: `ntsb-recommendation-p-15-022`
- Related records: 1

## 3. NTSB Safety Recommendation P-11-014

**Citation:** P-11-014  
**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 192.619 to delete the grandfather clause and require that all gas transmission pipelines constructed before 1970 be subjected to a hydrostatic pressure test that incorporates a spike test.

### Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/carol-main-public/sr-details/P-11-014>
- Source ID: `ntsb-pipeline`
- SHA-256: `a3a5671985fc5ee9987e0bf0ffa39133cdaef3d217c31b8947863879597b3c92`
- Retrieved: 2026-08-20T04:57:24.741Z
- Document slug: `ntsb-recommendation-p-11-014`
- Related records: 9

## 4. NTSB Safety Recommendation P-15-018

**Citation:** P-15-018  
**Type / status:** guidance / guidance  
**Agency:** National Transportation Safety Board  
**Effective / published:** 2015-02-10 / 2015-02-10

TO THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION: Require that all natural gas transmission pipelines be capable of being in-line inspected by either reconfiguring the pipeline to accommodate in line inspection tools or by the use of new technology that permits the inspection of previously uninspectable pipelines; priority should be given to the highest risk transmission pipelines that considers age, int

### Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/carol-main-public/sr-details/P-15-018>
- Source ID: `ntsb-pipeline`
- SHA-256: `724abc0be1a03f179dac4d2f4f38172dbc750825676e551a25b43f80a4b5ade2`
- Retrieved: 2026-08-20T04:57:24.741Z
- Document slug: `ntsb-recommendation-p-15-018`
- Related records: 8

## 5. NTSB Safety Recommendation P-15-021

**Citation:** P-15-021  
**Type / status:** guidance / guidance  
**Agency:** National Transportation Safety Board  
**Effective / published:** 2015-02-10 / 2015-02-10

TO THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION: Develop and implement a plan for eliminating the use of direct assessment as the sole integrity assessment method for gas transmission pipelines.

### Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/carol-main-public/sr-details/P-15-021>
- Source ID: `ntsb-pipeline`
- SHA-256: `5de1ce05d3652c558ef881ce7af52a4653dd94367284c29bd30d91db818d98b2`
- Retrieved: 2026-08-20T04:57:24.741Z
- Document slug: `ntsb-recommendation-p-15-021`
- Related records: 6