# Regulus search export - Query: `75 FR 72` - 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: 2 - Exported: 2026-08-23T17:08:34.925Z ## 1. Pipeline Safety: Girth Weld Quality Issues Due to Improper Transitioning, Misalignment, and Welding Practices of Large Diameter Line Pipe **Citation:** 75 FR 14243 **Type / status:** guidance / guidance **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** Not stated / 2010-03-24 Misalignment during welding of large diameter line pipe may cause in-service leaks and ruptures at pressures well below 72 percent specified minimum yield strength (SMYS). ### Provenance - Official: Yes - Source: - Source ID: `federal-register` - SHA-256: `e52679f1f0de9328db041646845ab4b00cd202f2c4a458c93133899515600e78` - Retrieved: 2026-08-20T06:04:51.294Z - Document slug: `federal-register-2010-6528` - Related records: 22 ## 2. NTSB Safety Recommendation P-75-001 **Citation:** P-75-001 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1975-04-02 / 1975-04-02 CONDUCT AN INDUSTRYWIDE SURVEY ON THE VALUE OF CASING PIPELINES BENEATH ROADS AND RAILROADS. THIS SURVEY SHOULD BE UNDERTAKEN IN COOPERATION WITH THE AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS, THE FEDERAL HIGHWAY ADMINISTRATION, APPROPRIATE INDUSTRY ASSOCIATIONS AND ENGINEERING SOCIETIES; AND 49 CFR 192.323, CASING, SHOULD BE AMENDED, IF NECESSARY. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `0e2f3a001848ea3f82f467d0cf82f979ee70f215c9e1403c7e89233d837aec42` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-75-001` - Related records: 6