# Regulus search export - Query: `69 FR 48400` - 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: 2026-08-24T08:54:04.564Z ## 1. Pipeline Safety: Periodic Underwater Inspections **Citation:** 69 FR 48400 **Type / status:** rulemaking / historical **Agency:** Research and Special Programs Administration **Effective / published:** 2004-09-09 / 2004-08-10 This rule amends the pipeline safety regulations to require operators of gas and hazardous liquid pipelines to prepare and follow procedures for periodic inspections of pipeline facilities located in the Gulf of Mexico and its inlets in waters less than 15 feet deep. These inspections will inform the operator if the pipeline is exposed or a hazard to navigation. ### Provenance - Official: Yes - Source: - Source ID: `federal-register` - SHA-256: `dc68c9b16a29619eda0d250db8faa8885bfbba8b07422f883992c4d01c7ae874` - Retrieved: 2026-08-20T06:04:51.294Z - Document slug: `federal-register-04-17746` - Related records: 8 ## 2. NTSB Safety Recommendation P-90-029 **Citation:** P-90-029 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1990-10-01 / 1990-10-01 THE NTSB RECOMMENDS THAT THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION (ORIGINALLY ISSUED TO RSPA): DEVELOP AND IMPLEMENT, WITH THE ASSISTANCE OF THE MINERALS MANAGEMENT SERVICE, THE U.S. COAST GUARD, AND THE U.S. ARMY CORPS OF ENGINEERS, EFFECTIVE METHODS AND REQUIREMENTS TO BURY, PROTECT, INSPECT THE BURIAL DEPTH OF, AND MAINTAIN ALL SUBMERGED PIPELINES IN AREAS SUBJECT TO DAMAGE BY SURFACE VESSELS AND ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `180641907e9b4773336ce79eb0f6c3366d87b81a1ad8ac32b74179e91a61103c` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-90-029` - Related records: 1