# Regulus search export - Query: `03 FR 15` - 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: 35 - Exported: 2026-08-24T02:19:48.280Z ## 1. NTSB Safety Recommendation P-03-002 **Citation:** P-03-002 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 2003-02-27 / 2003-02-27 The National Transportation Safety Board makes the following safety recommendations to the Research and Special Programs Administration: Develop the requirements necessary to ensure that pipeline operators’ internal corrosion control programs address the role of water and other contaminants in the corrosion process. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `03ca880e46fcab4993dc88dad585784e07e41bfb55f8f0fcef04d4efc7f9919b` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-03-002` - Related records: 4 ## 2. NTSB Safety Recommendation P-03-001 **Citation:** P-03-001 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 2003-02-27 / 2003-02-27 The National Transportation Safety Board makes the following safety recommendations to the Pipeline and Hazardous Materials Safety Administration (Originally issued to RSPA): Revise 49 Code of Federal Regulations Part 192 to require that new or replaced pipelines be designed and constructed with features to mitigate internal corrosion. At a minimum, such pipelines should (1) be configured to reduce the opportunity fo ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `85c7202bddd72654b792189a47a59710465801259f76eaa26ce30db3a523b54a` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-03-001` - Related records: 4 ## 3. NTSB Safety Recommendation P-79-030 **Citation:** P-79-030 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1979-10-04 / 1979-10-04 TO THE SECRETARY OF TRANSPORTATION: Establish minimum performance standards for the prompt detection and rapid isolation of failed sections of highly volatile liquid pipelines. (Superseded by P-84-26) ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `b554bd80043bd43fc1dccc0793ce58e9d87acdc2505426f7ec05d38e741b50d1` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-79-030` - Related records: 3 ## 4. NTSB Safety Recommendation P-15-005 **Citation:** P-15-005 **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: Revise the submission requirement to include high consequence area identification as an attribute data element to the National Pipeline Mapping System. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `65694199972114780698d8f4ed21054a30c4ca8f163a1870dfaac5f87af31b9a` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-15-005` - Related records: 2 ## 5. 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: - Source ID: `ntsb-pipeline` - SHA-256: `724abc0be1a03f179dac4d2f4f38172dbc750825676e551a25b43f80a4b5ade2` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-15-018` - Related records: 8 ## 6. 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 ## 7. 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: - Source ID: `ntsb-pipeline` - SHA-256: `505c9f60ccd6028e0fcde82d3f1e79ec2744a43bc8e50fbeea936e551452ff34` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-15-022` - Related records: 1 ## 8. NTSB Safety Recommendation P-15-009 **Citation:** P-15-009 **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: Establish minimum criteria for eliminating threats, and provide guidance to gas transmission pipeline operators for documenting their rationale for all eliminated threats. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `d21d42dda5b87430353a9457b1ef0cb478dfd4e842aead32b89525748fcc303f` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-15-009` - Related records: 1 ## 9. NTSB Safety Recommendation P-78-079 **Citation:** P-78-079 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1978-12-29 / 1978-12-29 ESTABLISH STANDARDS FOR GAS INDUSTRY SAFETY CLOTHING TO PROTECT WORKERS REPAIRING LEAKING GAS PIPELINES WHERE IGNITION OF THE GAS COULD CAUSE SERIOUS BURNS. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `d381c5538f6b72a1b15f2189a124290d3bacd2a65a4652849f17327caed5166c` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-78-079` - Related records: 1 ## 10. NTSB Safety Recommendation P-15-004 **Citation:** P-15-004 **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: Increase the positional accuracy of pipeline centerlines and pipeline attribute details relevant to safety in the National Pipeline Mapping System. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `0fa970d5c86d9e216ab33f9c873fd12106943d11fdc445e864e773c190de5003` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-15-004` - Related records: 2 ## 11. 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: - Source ID: `ntsb-pipeline` - SHA-256: `5de1ce05d3652c558ef881ce7af52a4653dd94367284c29bd30d91db818d98b2` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-15-021` - Related records: 6 ## 12. NTSB Safety Recommendation P-95-001 **Citation:** P-95-001 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1995-02-07 / 1995-02-07 THE NTSB RECOMMENDS THAT THE RSPA: EXPEDITE REQUIREMENTS FOR INSTALLING AUTOMATIC- OR REMOTE-OPERATED MAINLINE VALVES ON HIGH-PRESSURE PIPELINES IN URBAN AND ENVIRONMENTALLY SENSITIVE AREAS TO PROVIDE FOR RAPID SHUTDOWN OF FAILED PIPELINE SEGMENTS. (Supersedes P-87-022) ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `b638d786d75add453a47b16abcbf82b4be92e8a08989974c54e7158a8d20c348` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-95-001` - Related records: 5 ## 13. NTSB Safety Recommendation P-98-001 **Citation:** P-98-001 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1998-04-30 / 1998-04-30 TO THE RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION: Notify pipeline system operators who have installed ployethylene gas piping extruded by Century Utility Products, Inc., from Carbide Corporation DHDA 2077 tan resin of the piping's poor brittle-crack resistance. Require these operators to develop a plan to closely monitor the performance of this piping & to identify & replace, in a timely manner, any of the piping ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `0a65c72e749ceba599a00f3008685cfffef16c574e4caa4d38ba9c4b656bc606` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-98-001` - Related records: 1 ## 14. NTSB Safety Recommendation P-98-003 **Citation:** P-98-003 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1998-04-30 / 1998-04-30 TO THE RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION: Immediately notify those states & territories with gas pipeline safety programs of the susceptibility to premature brittle-like cracking of much of the plastic piping manufactured from the 1960s through the early 1980s & of the actions that the RSPA will require of gas system operators to monitor & replace piping that indicates unacceptable performance. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `cc1be7e1c86bf60ded836e6ba770aaf54f6f99cdb6f10a466845ccd701354091` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-98-003` - Related records: 1 ## 15. NTSB Safety Recommendation P-87-034 **Citation:** P-87-034 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1987-09-24 / 1987-09-24 THE NTSB RECOMMENDS THAT THE OFFICE OF PIPELINE SAFETY OF THE RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF TRANSPORTATION: REVISE 49 CFR 192 TO REQUIRE THAT GAS COMPANY SYSTEM MAPS AND RECORDS BE MAINTAINED ACCURATELY TO IDENTIFY THE LOCATIONS, SIZE, AND OPERATIONS PRESSURE OF ALL OF THEIR PIPELINES; HOWEVER, THIS REVISION SHOULD NOT INCLUDE NONPERTINENT FACTORS AS APPEARED IN THE ADVANCE NOTICE OF PRO ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `a736e9aa089f5616fc08dbc7a5a43925f1c66ab3e4379d4fb4346d6365bccd6b` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-87-034` - Related records: 5 ## 16. NTSB Safety Recommendation P-80-059 **Citation:** P-80-059 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1980-07-15 / 1980-07-15 THE NTSB RECOMMENDS THAT THE RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION OF THE U.S. DEPARTMENT OF TRANSPORTATION: Amend 49 CFR 192.617 to require that operators preserve to the extent practicable the accident site and its affected gas facilities until on-scene investigations have been completed. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `0468ae884cbb5b468c98642fe4046d2353381d2db01155b3ff581850baa38b07` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-80-059` - Related records: 3 ## 17. NTSB Safety Recommendation P-87-005 **Citation:** P-87-005 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1987-03-24 / 1987-03-24 THE NTSB RECOMMENDS THAT THE RESEARCH AND SPECIAL PROGRAM ADMINISTRATION, U.S. DEPARTMENT OF TRANSPORTATION: ESTABLISH CRITERIA FOR USE BY OPERATORS OF PIPELINES IN DETERMINING THE FREQUENCY FOR PERFORMING INSPECTIONS AND TESTS CONDUCTED TO DETERMINE THE APPROPRIATENESS OF ESTABLISHED MAXIMUM ALLOWABLE OPERATING PRESSURES. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `bbceba603c0b36f50783fcd37c9b9d9e57b0f34c9d9d276e9bfb78d3abc7da77` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-87-005` - Related records: 4 ## 18. NTSB Safety Recommendation P-87-023 **Citation:** P-87-023 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1987-09-09 / 1987-09-09 THE NTSB RECOMMENDS THAT THE OFFICE OF PIPELINE SAFETY: REVISE 49 CFR PARTS 192 AND 195 TO INCLUDE OPERATIONAL BASED CRITERIA FOR DETERMINING SAFE SERVICE INTERVALS FOR PIPE LINES BETWEEN HYDROSTATIC RETESTS. (Supersedes P-78-058) ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `c950b9fa13e0ba916c6a1cb7ff6d963a240af20f5b13019344b1f584fa4a9988` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-87-023` - Related records: 4 ## 19. NTSB Safety Recommendation P-87-004 **Citation:** P-87-004 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1987-03-24 / 1987-03-24 THE NTSB RECOMMENDS THAT THE RESEARCH AND SPECIAL PROGRAM ADMINISTRATION, U.S. DEPARTMENT OF TRANSPORTATION: REQUIRE OPERATIONS OF BOTH GAS AND LIQUID TRANSMISSION PIPELINES TO PERIODICALLY DETERMINE THE ADEQUACY OF THEIR PIPELINES TO OPERATE AT ESTABLISHED MAXIMUM ALLOWABLE PRESSURES BY PERFORMING INSPECTIONS OR TESTS CAPABLE OF IDENTIFYING CORROSION-CAUSED AND OTHER TIME-DEPENDENT DAMAGES THAT MAY BE DETRIMENTAL TO ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `c4ab0382fe5a072c1b05bd17e2c766452fad82a3f9231dbecd717741511a7d6d` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-87-004` - Related records: 4 ## 20. NTSB Safety Recommendation P-04-003 **Citation:** P-04-003 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 2004-07-01 / 2004-07-01 TO THE RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION: Evaluate the need for a truck transportation standard to prevent damage to pipe, and, if needed, develop the standard and incorporate it in 49 Code of Federal Regulations Parts 192 and 195 for both natural gas and hazardous liquid line pipe. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `97137c10463c0361cc6d8ff308daea9561c991ea25d77fb008cb4cd8a2456801` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-04-003` - Related records: 3 ## 21. 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: - Source ID: `ntsb-pipeline` - SHA-256: `a3a5671985fc5ee9987e0bf0ffa39133cdaef3d217c31b8947863879597b3c92` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-11-014` - Related records: 9 ## 22. NTSB Safety Recommendation P-11-009 **Citation:** P-11-009 **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: Require operators of natural gas transmission and distribution pipelines and hazardous liquid pipelines to ensure that their control room operators immediately and directly notify the 911 emergency call center(s) for the communities and jurisdictions in which those pipelines are located when a possible rupture of any pipeline is indicated. (Supersedes Saf ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `1e9c9ea97229525e4711e685abd3e776ea8d1519afb320226842cab724776a48` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-11-009` - Related records: 13 ## 23. NTSB Safety Recommendation P-98-030 **Citation:** P-98-030 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1998-11-18 / 1998-11-18 THE NTSB RECOMMENDS THAT THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION (ORIGINALLY ISSUED TO RSPA): ASSESS THE POTENTIAL SAFETY RISKS ASSOCIATED WITH ROTATING PIPELINE CONTROLLER SHIFTS AND ESTABLISH INDUSTRY GUIDELINES FOR THE DEVELOPMENT AND IMPLEMENTATION OF PIPELINE CONTROLLER WORK SCHEDULES THAT REDUCE THE LIKELIHOOD OF ACCIDENTS ATTRIBUTABLE TO CONTROLLER FATIGUE. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `84d34546c9582a8732195f51f8b9ba4424430ec4333030ca71ec3033e1be2803` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-98-030` - Related records: 1 ## 24. NTSB Safety Recommendation P-05-004 **Citation:** P-05-004 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 2005-12-23 / 2005-12-23 TO THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION: Change the liquid accident reporting form (PHMSA F 7000-1) and require operators to provide data related to controller fatigue. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `4e99e77bdf0f0d7e408864b58c6f466aa96d6e1e4f71b2395ef28f324f4424b2` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-05-004` - Related records: 1 ## 25. NTSB Safety Recommendation P-98-036 **Citation:** P-98-036 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1998-11-18 / 1998-11-18 THE NTSB RECOMMENDS THAT THE RSPA: REVISE 49 CODE OF FEDERAL REGULATIONS PART 195 TO INCLUDE PERFORMANCE MEASURES FOR THE ADEQUATE CATHODIC PROTECTION OF LIQUID PIPELINES. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `7bd185f83116bad2d7e069b6f1fa3d834cd3c5a441e1d13aa35066e6e20172a3` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-98-036` - Related records: 12 ## 26. NTSB Safety Recommendation P-25-003 **Citation:** P-25-003 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 2025-04-08 / 2025-04-08 TO THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION: Identify effective means for natural gas distribution pipeline operators to communicate with people who live, work, or congregate within the coverage area of a natural gas distribution pipeline system and implement a plan to help operators drive continuous improvement in public awareness of natural gas safety. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `51e4d75d01b31b28d423615818cda6ca860b8ef78d92ca87845c18883d35bc94` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-25-003` - Related records: 2 ## 27. NTSB Safety Recommendation P-84-026 **Citation:** P-84-026 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1984-06-18 / 1984-06-18 THE NTSB RECOMMENDS THAT THE RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION: AMEND FEDERAL REGULATIONS GOVERNING PIPELINES THAT TRANSPORT HIGHLY VOLATILE LIQUIDS TO REQUIRE A LEVEL OF SAFETY FOR THE PUBLIC COMPARABLE TO THAT NOW REQUIRED FOR NATURAL GAS PIPELINES. (Supersedes P-72-008, P-73-012, P-79-030, P-80-089, and P-80-090) ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `3e4a8daeaa9c6ce1d21640990de87feee9d955d246f1e27088a329dabf4125c8` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-84-026` - Related records: 5 ## 28. NTSB Safety Recommendation P-98-035 **Citation:** P-98-035 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1998-11-18 / 1998-11-18 THE NTSB RECOMMENDS THAT THE RSPA: REVISE 49 CODE OF FEDERAL REGULATIONS PART 195 TO REQUIRE PIPELINE OPERATORS TO DETERMINE THE CONDITION OF PIPELINE COATING WHENEVER PIPE IS EXPOSED AND IF DEGRADATION IS FOUND, TO EVALUATE THE COATING CONDITION OF THE PIPELINE. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `12ae21c4f8e3f189bb61e62f30298c14d364703e0cdb20bb04936137c933569e` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-98-035` - Related records: 12 ## 29. 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: - Source ID: `ntsb-pipeline` - SHA-256: `89ee29bb91d34ccf39456f57dbe4a56b59ac545d67efd9a9bac9f6d4550328ce` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-11-011` - Related records: 15 ## 30. NTSB Safety Recommendation P-11-018 **Citation:** P-11-018 **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: Revise your integrity management inspection protocol to (1) incorporate a review of meaningful metrics; (2) require auditors to verify that the operator has a procedure in place for ensuring the completeness and accuracy of underlying information; (3) require auditors to review all integrity management performance measures reported to the Pipeline and Haz ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `70db2dff84256d26aaeadc4e9d84f3e7c5c7c87eb7b1bc9952d62b88d4cc87ad` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-11-018` - Related records: 6 ## 31. NTSB Safety Recommendation P-19-002 **Citation:** P-19-002 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 2019-06-10 / 2019-06-10 TO THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION: Require existing interior service regulators be relocated outside occupied structures whenever the gas service line, meter, or regulator is replaced. In addition, multifamily structures should be prioritized over single-family dwellings. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `de32f5e4e4281350c4b336e1453d978b924af773741785c581e49d697a32ec55` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-19-002` - Related records: 7 ## 32. NTSB Safety Recommendation P-21-002 **Citation:** P-21-002 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 2021-02-08 / 2021-02-08 TO THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION: Evaluate industry’s implementation of the gas distribution pipeline integrity management \[DIMP\] requirements and develop updated guidance for improving their effectiveness. The evaluation should specifically consider factors that may increase the likelihood of failure such as age, increase the overall risk (including factors that simultaneously increase t ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `00773c5f4bebde46d45bdfe9304206dedcc61c4b60478a8ff35b7d0af8054609` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-21-002` - Related records: 2 ## 33. NTSB Safety Recommendation P-19-001 **Citation:** P-19-001 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 2019-06-10 / 2019-06-10 TO THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION: Require that all new service regulators be installed outside occupied structures. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `ded0a5c22492ae53482ca63c8c4e2d5d1894905af392bd0914305d3df02d7b8a` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-19-001` - Related records: 7 ## 34. NTSB Safety Recommendation P-99-012 **Citation:** P-99-012 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1999-06-01 / 1999-06-01 TO THE PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION (ORIGINALLY ISSUED TO RSPA): Establish within 2 years scientifically based hours-of-service regulations that set limits on hours of service, provide predictable work and rest schedules, and consider circadian rhythms and human sleep and rest requirements. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `5697b13bc02e3998e763a8b24d6c8e02a4bfc89fdce9dab7d4f41ef192c9bb6a` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-99-012` - Related records: 4 ## 35. NTSB Safety Recommendation P-72-010 **Citation:** P-72-010 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1972-03-01 / 1972-03-01 THE NTSB RECOMMENDS THAT: THE FEDERAL RAILROAD ADMINISTRATION OF THE DEPARTMENT OF TRANSPORTATION CONDUCT A STUDY, IN COOPERATION WITH SOURCE OF QUALIFIED PIPELINE EXPERTISE, CONCERNING MINIMUM VALVE SPACING STANDARDS AND THE USE OF REMOTELY OPERATED VALVES, AUTOMATICALLY OPERATED VALVES, AND CHECK VALVES ON ALL LIQUEFIED PETROLEUM PIPELINES. AS AN ADJUNCT TO THIS, THE SAFETY BOARD INVITES ATTENTION TO A RECOMMENDATI ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `cfe0ff63da12a5912d15d1421ca9e3bda22ec7ed529b4989804c353a54b7ee12` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-72-010` - Related records: 1