# Regulus search export - Query: `65 FR 50` - 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: 13 - Exported: 2026-08-23T20:23:56.885Z ## 1. Definitions. **Citation:** 49 CFR 107.3 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2001-10-01 / Not stated All terms defined in 49 U.S.C. 5102 are used in their statutory meaning. Other terms used in this part are defined as follows: Acting knowingly means acting or failing to act while (1) Having actual knowledge of the facts giving rise to the violation, or (2) Having the knowledge that a reasonable ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `6956f7724a7641d1714283e0f2c8007950c362659a17fbefd679fb1ac7e22d99` - Retrieved: 2026-08-13T06:37:25.439Z - Document slug: `49-cfr-107-3` - Related records: 10 ## 2. Research and Special Programs Administration **Citation:** 65 FR 81409 **Type / status:** rulemaking / historical **Agency:** Transportation Department **Effective / published:** 2001-01-01 / 2000-12-26 The percentage, either 50 percent or 25 percent, depends on the positive rate of random testing reported to RSPA in the previous year. ### Provenance - Official: Yes - Source: - Source ID: `federal-register` - SHA-256: `f989752ef503cb7e9a5ead6d4ce5669a497b2d9cf927a8aae9565b6a84cf3f57` - Retrieved: 2026-08-20T06:04:51.294Z - Document slug: `federal-register-00-32854` - Related records: 2 ## 3. What are the requirements for submitting blind specimens to a laboratory? **Citation:** 49 CFR 40.103 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2017-10-01 / Not stated (a) As an employer or C/TPA with an aggregate of 2000 or more DOT-covered employees, you must send blind specimens to laboratories you use. If you have an aggregate of fewer than 2000 DOT-covered employees, you are not required to provide blind specimens. (b) To each laboratory to which you send at ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `ab6a2ff5a0903ae7a29e312f36434530e05780548795bfdae00018a1bcaddfe3` - Retrieved: 2026-08-12T01:42:01.877Z - Document slug: `49-cfr-40-103` - Related records: 8 ## 4. Pressure and vacuum relief devices. **Citation:** 49 CFR 178.270-11 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) Relief devices required. Each portable tank, or each independent compartment of a portable tank, must be fitted with pressure relief devices in accordance with the following: (1) Each portable tank, or each independent compartment of a portable tank, with a capacity of more than 1893 L (500 gal ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `b28e5764462d24f32b62fa34ac2916b84c3c66da33efa04ec0ff04a2a877c1e7` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-270-11` - Related records: 0 ## 5. Specification requirements for IM 101 and IM 102 steel portable tanks. **Citation:** 49 CFR 178.270-1 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) Each IM portable tank must meet the requirements of this section in addition to the requirements of § 178.271 (IM 101) or § 178.272 (IM 102). These requirements apply to IM portable tanks of diameters no greater than 2438 mm (96 inches) that are designed to carry liquids having a vapor pressure ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `a44de211eda4edd3ef03878510f79c51cf7f5be620512872b95a3a15a5b50d7e` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-270-1` - Related records: 0 ## 6. NTSB Safety Recommendation P-87-026 **Citation:** P-87-026 **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: OBTAIN SUFFICIENT DATA ON LOW FREQUENCY, ELECTRIC RESISTANCE WELDED PIPE AND DETERMINE IF ITS CONTINUED USE PRESENTS AN UNREASONABLE HAZARD TO PUBLIC SAFETY AND TAKE APPROPRIATE REGULATORY ACTION FOR IDENTIFIED DEFICIENCIES. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `cb229a7bc0fc4be5648fa4c3b3d822677e354f9cd53d9f03b35821a18835e469` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-87-026` - Related records: 1 ## 7. 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 ## 8. 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 ## 9. 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 ## 10. 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 ## 11. 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 ## 12. NTSB Safety Recommendation P-91-001 **Citation:** P-91-001 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1991-07-17 / 1991-07-17 THE NTSB RECOMMENDS THAT THE RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION: DEFINE THE OPERATING PARAMETERS THAT MUST BE MONITORED BY PIPELINE OPERATORS TO DETECT ABNORMAL OPERATIONS AND ESTABLISH PERFORMANCE STANDARDS THAT MUST BE MET BY PIPELINE MONITORING SYSTEMS INSTALLED TO DETECT AND LOCATE LEAKS. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `515eb8582f9e73bbc24e70a4b3e9fa064f2a929c44a7dd62c99764fbbd8f67d4` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-91-001` - Related records: 1 ## 13. NTSB Safety Recommendation P-97-020 **Citation:** P-97-020 **Type / status:** guidance / guidance **Agency:** National Transportation Safety Board **Effective / published:** 1998-01-06 / 1998-01-06 THE NTSB RECOMMENDS THAT THE RSPA: DEVELOP & DISTRIBUTE TO PIPELINE OPERATORS WRITTEN GUIDANCE TO IMPROVE THE ACCURACY OF INFO FOR REPORTABLE ACCIDENTS, INCLUDING PARAMETERS FOR ESTIMATING PROPERTY DAMAGE RESULTING FROM AN ACCIDENT. ### Provenance - Official: Yes - Source: - Source ID: `ntsb-pipeline` - SHA-256: `93cabe3fe23162183077f81a84f2e03d3000ee5c5a31570149797ef1a74100ca` - Retrieved: 2026-08-20T04:57:24.741Z - Document slug: `ntsb-recommendation-p-97-020` - Related records: 1