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- Query: `74 FR 17099`
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- Exported: 2026-08-25T00:29:25.176Z

## 1. Pipeline Safety: Incorporation by Reference Update: American Petroleum Institute (API) Standards 5L and 1104

**Citation:** 74 FR 17099  
**Type / status:** rulemaking / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** Not stated / 2009-04-14

This direct final rule incorporates by reference the most recent editions of API Specification 5L "Specification for Line Pipe" and API 1104 "Welding of Pipelines and Related Facilities." The purpose of this update is to enable pipeline operators to utilize current technology, materials, and practices to help maintain a high level of safety relative to their pipeline operations. PHMSA is not eliminating the use of the current referenced standards but simply allowing the additional use of these new standards. PHMSA may in the future propose to eliminate the incorporation of the existing referenced standards.

### Provenance

- Official: Yes
- Source: <https://www.federalregister.gov/documents/2009/04/14/E9-8376/pipeline-safety-incorporation-by-reference-update-american-petroleum-institute-api-standards-5l-and>
- Source ID: `federal-register`
- SHA-256: `4f5f9ad754d6a07ec21beaaa8be42a84f628ae079ba50f7e8ca2d3db095db878`
- Retrieved: 2026-08-20T06:04:51.294Z
- Document slug: `federal-register-e9-8376`
- Related records: 15