# Regulus search export - Query: `4 FR 178` - 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: 42 - Exported: 2026-08-24T17:27:02.390Z ## 1. Definitions and abbreviations. **Citation:** 49 CFR 171.8 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated Link to an amendment published at 91 FR 49305, Aug. 4, 2026. Link to an amendment published at 91 FR 49310, Aug. 4, 2026. Link to an amendment published at 91 FR 51102, Aug. 7, 2026. ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `91219de62bb956e102edcb624737015c146e8d48aa4216452314a0e4eedc8a2d` - Retrieved: 2026-08-20T05:45:53.607Z - Document slug: `49-cfr-171-8` - Related records: 1180 ## 2. -4 Joints. **Citation:** 49 CFR 178.345-4 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated \[Amdt. 178-89, 54 FR 25 ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `05a85eae39acff55ac7be4154b1510c40820ba611839379a6be8bba39cd60983` - Retrieved: 2026-08-20T05:46:20.151Z - Document slug: `49-cfr-178-345-4` - Related records: 0 ## 3. -4 Outlets. **Citation:** 49 CFR 178.346-4 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated \[Amdt. 178-89, 54 FR 25029, June 12, 1989. Redesignated by Amdt. 178-112, 61 FR ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `e165780066031e3cd132ed8cf6a2ce9e1fa15c924586992a464c8a95a3401186` - Retrieved: 2026-08-20T05:46:20.151Z - Document slug: `49-cfr-178-346-4` - Related records: 0 ## 4. a-4 Duties of inspector. **Citation:** 49 CFR 178.33a-4 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated (b) \[Reserved\] \[Order 71, 31 FR 9074, July 1, 1966. Redesignated at 32 FR 5606, Apr. 5, 1967\] ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `6d8e2e22432f26c426cb337d3701ce80ad0d7dabc91833da38e7b05063d3fe24` - Retrieved: 2026-08-20T05:46:20.151Z - Document slug: `49-cfr-178-33a-4` - Related records: 0 ## 5. b-4 Duties of inspector. **Citation:** 49 CFR 178.33b-4 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated (b) \[Reserved\] \[74 FR 2268, Jan. 14, 2009\] ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `ae36274a9ca5ecd3f2dbb0e0fca581d6c4c2bdc80746fdda0bbff0b7e1791497` - Retrieved: 2026-08-20T05:46:20.151Z - Document slug: `49-cfr-178-33b-4` - Related records: 0 ## 6. General construction requirements. **Citation:** 49 CFR 178.354-3 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (a) The outer shell must be of straight-sided steel, with welded body seams, and may be either a single sheet of steel, or may be fabricated by welding together two appropriate lengths of drums with each length to contain 3 swedged or rolled rolling hoops as prescribed for either of these specificat ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `990afd363036840076321af3e55c28396e632054e008104fecd083a3dc5ce6e2` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-354-3` - Related records: 0 ## 7. Materials of construction. **Citation:** 49 CFR 178.362-2 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (a) The general configuration of the wooden protective jacket must be a hollow cylindrical shell constructed of one-piece discs and rings of plywood or solid hardwood reinforced with steel rods. (1) The specification 20WC-2 must be additionally completely encased, snugly fit, within an 18-gauge ste ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `384392034ec7a4930ec7571294db3044dd0731fea602ee32bbfcce0f526c61b9` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-362-2` - Related records: 0 ## 8. General construction requirements. **Citation:** 49 CFR 178.352-3 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (a) The outer shell must be of straight sided steel, with welded body seams and at least 18-gauge body and bottom head sheets, and 14-gauge removable head sheets (unless there are one or more corrugations in the cover near the periphery, in which case 16-gauge is authorized). The shell may be either ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `a354b9a45c94647d48031d570d0c403efa5d6351f294c5bdbf982e6a8d558e73` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-352-3` - Related records: 0 ## 9. Approval of independent inspection agency. **Citation:** 49 CFR 173.300a **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2001-10-01 / Not stated (a) Any person who (1) does not manufacture cylinders for use in the transportation of hazardous materials and (2) is not directly or indirectly controlled by any person or firm which manufactures cylinders for use in the transportation of hazardous materials, may apply to the Department for approva ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `391dbedfa0ff7dda32ca1aa897b612d88c23e7f1ea8d47478ca74afa8b96c68d` - Retrieved: 2026-08-13T06:37:25.439Z - Document slug: `49-cfr-173-300a` - Related records: 16 ## 10. Approval of non-domestic chemical analyses and tests. **Citation:** 49 CFR 173.300b **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2001-10-01 / Not stated (a) Any person who manufactures cylinders outside the United States may apply to the Department for approval to have the chemical analyses and tests of those cylinders required by part 178 of this subchapter performed outside the United States for the purpose of ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `62eca553a13db5169ab6772cfd947decf90355196d64be23d4e504d9cb8a40cc` - Retrieved: 2026-08-13T06:37:25.439Z - Document slug: `49-cfr-173-300b` - Related records: 8 ## 11. Rated capacity. **Citation:** 49 CFR 178.354-2 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (b) \[Reserved\] \[Amdt. 178-1, 33 FR 14935, Oct. 4, 1968. Redesignated by Amdt. 178-97, 55 FR 52716, Dec. 21, 1990, as a ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `83d1b87f58880996d648586078f41e7b1a0ba846940c221504a2d039fd61774e` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-354-2` - Related records: 0 ## 12. 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 ## 13. Requirements for design and construction. **Citation:** 49 CFR 178.245-1 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) Tanks must be seamless or welded steel construction, or a combination of both, and have a water capacity in excess of 454 kg (1,000 pounds). Tanks must be designed, constructed, certified and stamped in accordance with Section VIII of the ASME Code (IBR, see § 171.7 of this subchapter). (b) Tan ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `a83ee350bae4ae1e453c8bf33157711d8ad98cc97d80eb85b5cb555f97911e1e` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-245-1` - Related records: 0 ## 14. Rated capacity. **Citation:** 49 CFR 178.352-2 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (a) Rated capacity as marked (see § 178.352-6). Not less than 55 gallons nor more than 110 gallons for the outer steel drum. Not more than 17.74 L for the inner vessel. (b) The authorized maximum gross weight of the package is 160 kg (350 pounds) for sizes not over 210 L (55 gallons) or 220 kg (480 ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `a602fcb6fd8f62d1be91368852e3f39b036975db9c8bf5f54db64534d3268efb` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-352-2` - Related records: 0 ## 15. Closure. **Citation:** 49 CFR 178.362-3 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated The lid joint for specifications 20WC-3, 20WC-4, 20WC-5, and 20WC-6, may not be coplanar with the e ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `b9ffa0f91e3d350fcd5e9526e553a92a718cd19f425e57c542018e6b8dc85d5d` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-362-3` - Related records: 0 ## 16. Manufacture. **Citation:** 49 CFR 178.360-2 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated \[Amdt. 178-35, 39 FR 45245, Dec. 31, 1974. Redesignated by Amdt. ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `23191788ebc1bf5513f425382310ba8352572047baac59384d3b5919538f92f7` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-360-2` - Related records: 0 ## 17. Dimensions. **Citation:** 49 CFR 178.360-3 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated (a) The inside diameter of the vessel may not exceed 30 cm (12 inches) exclusive of flanges for handling or fastening devices and must have wall thickness and length in accordance with the following: Inside diameter maximum Inches Cm Threaded closure Inches Mm Wall thickness minimum—Flanged closure ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `45ae2842785355074c9d09453ef778e687dd54d05a6d2c50b3e4bfd84930fc87` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-360-3` - Related records: 0 ## 18. Markings. **Citation:** 49 CFR 178.354-5 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (a) Marking must be as prescribed in § 178.3. (b) Marking on the outside of each package must be as follows: “DOT-6M Type B,” “Radioactive Materials,” or “Fissile Radioactive Materials,” as appropriate; and the gauge of metal of the outer drum in the thinnest part, rated capacity of the outer drum ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `b07d0eb5cc57a57e164f3b1aed0a09e4b6ac8a5586b4031bb3b6dbb104941a56` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-354-5` - Related records: 0 ## 19. Required markings. **Citation:** 49 CFR 178.358-5 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated (a) Markings must be as prescribed in § 178.3. (b) Specification marking on the outside of each overpack must be as follows: “USA-DOT-21PF-1”, “1A”, “1B”, or “2”, as appropriate. (1) For Specifications 21PF-1 and 21PF-2 only, if the inner shell is constructed of stainless steel, additional marking ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `4e0b248b2422c053ddbfcced1f7741e5ba44d26ef39c37d31bc73316121a1670` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-358-5` - Related records: 0 ## 20. Closure devices. **Citation:** 49 CFR 178.360-4 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated (a) Each closure device must be as follows: (1) Screw-type cap or plug; number of threads per inch must not be less than United States standard pipe threads and must have sufficient length of thread to engage at least 5 threads when securely tightened. Pipe threads must be luted with an appropriate ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `af52c18cb8358e91362f3f83375a5da31b75c7835c4cddc88a6ffcc944527669` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-360-4` - Related records: 0 ## 21. Materials of construction and other requirements. **Citation:** 49 CFR 178.358-2 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated (a) Phenolic foam insulation must be fire resistant and fabricated in accordance with USDOE Material and Equipment Specification SP-9, Rev. 1 and Supplement (IBR, see § 171.7 of this subchapter), which is a part of this specification. (Note: Packagings manufactured under USAEC Specification SP-9, an ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `99d66daf371ae3ff78b0fb309261cc1a379e734c0034da8e5477662e5cd95656` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-358-2` - Related records: 0 ## 22. Markings. **Citation:** 49 CFR 178.352-6 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (a) Markings on each container, by die stamping on a metal plate attached to the outside of the outer container by spot welding, or other equally efficient method, in letters and figures of at least one-fourth inch in height, as follows: (1) “DOT-6L”. (2) “FISSILE RADIOACTIVE MATERIAL.” (3) Name ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `f06ad0fe0016d52b4844c7d62349d7840dd696244b4f9c1fd8e682eea9f968be` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-352-6` - Related records: 0 ## 23. Valves, nozzles, piping, and gauging devices. **Citation:** 49 CFR 178.270-12 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2006-10-01 / Not stated (a) All tank nozzles, except those provided for filling and discharge connections below the normal liquid level of the tank, relief devices, thermometer wells, and inspection openings, must be fitted with manually operated stop valves located as near the shell as practicable either internal or exter ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `b10d5b79efa7e20f8cb1f4e6248851ade5ab1ec5089de1e88beeebf6e88e4a02` - Retrieved: 2026-08-13T06:37:36.057Z - Document slug: `49-cfr-178-270-12` - Related records: 0 ## 24. Tank supports, frameworks and lifting attachments. **Citation:** 49 CFR 178.270-6 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) Each portable tank must be constructed with a permanent support structure that provides a secure base in transport. Skids, frameworks, cradles, or similar devices are acceptable. The calculated stress in tank supports, frameworks, and lifting attachments must not exceed 80 percent of the specifi ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `3b93e2e101de65436fa567ffc6bd9bbfdea4275463ab881f767785b90503a752` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-270-6` - Related records: 0 ## 25. Modification of Specification 21PF-1 overpacks. **Citation:** 49 CFR 178.358-3 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated (a) Each Specification 21PF-1 overpack for which construction began or was completed before April 1, 1989, in conformance with drawing E-S-31536-J, Rev. 1 of DOE CAPE-1662 (IBR, see § 171.7 of this subchapter), must be modified in conformance with drawing S1E-31536-J1-D of DOE CAPE-1662, Rev. 1, Sup ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `50d9cc425fbaa4ea162b96dcb407e73ee857cd3f6f4359441a032aa8df596c63` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-358-3` - Related records: 0 ## 26. Materials of construction and other requirements. **Citation:** 49 CFR 178.364-2 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (a) The general configuration of the protective overpack must be a combination of two nested plywood boxes, each 2.5 cm (1 inch) thick, nested within a third wooden box of nominal 5 cm (2-inch) thickness solid hardwood. The three nested boxes must be enclosed within a welded framework 10 cement-coat ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `a1dab08f269ee6d054738767726dc2c391c710ff43bb65b2dafa08f60b8f6912` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-364-2` - Related records: 0 ## 27. Structural integrity. **Citation:** 49 CFR 178.270-4 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) Maximum stress values. The maximum calculated stress value in a tank at the Test Pressure must be less than or equal to that specified for the material of construction at 93 °C. (200 °F.) in § 178.270-3 of this part. (b) Tank shell loadings. Tank shells, heads, and their fastenings shall be des ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `9815ff7abb61479e5c78ddfd6bdafbc1ab68f4c6381bdc3577bbd96b90ef76db` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-270-4` - Related records: 0 ## 28. Materials of construction and other requirements. **Citation:** 49 CFR 178.356-2 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated (a) Phenolic foam insulation must be fire-resistant and fabricated in accordance with USDOE Material and Equipment Specification SP-9, Rev. 1 and Supplement (IBR, see § 171.7 of this subchapter), which is a part of this specification. (Note: Packagings manufactured under USAEC Specification SP-9 and ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `4065381ce726a8b7ec4112ad02faa5b3afd121a4e38be564d38709ddb4b7d0d2` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-356-2` - Related records: 0 ## 29. Tank mountings. **Citation:** 49 CFR 178.245-4 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) Tanks shall be designed and fabricated with mountings to provide a secure base in transit. “Skids” or similar devices shall be deemed to comply with this requirement. (b) All tank mountings such as skids, fastenings, brackets, cradles, lifting lugs, etc., intended to carry loadings shall be per ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `51161a3da5aeb0b3a7ef8b893bddbd9074d6e66024aee448c3458dfb388748d8` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-245-4` - Related records: 0 ## 30. Minimum thickness of shells and heads. **Citation:** 49 CFR 178.272-2 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) The approval agency may authorize a minimum thickness less than that required by § 178.270-5 of this subpart where additional protection against tank puncture provides equal integrity. (b) The shell and head thickness of a tank must be at least: (1) 3.18 mm (0.125 inches) for a tank with a max ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `5945ad05b7b9a199c58d3c72ecea9cc06bf4aa23823725edca55b8eabed7c4f4` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-272-2` - Related records: 0 ## 31. Marking of tanks. **Citation:** 49 CFR 178.270-14 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2006-10-01 / Not stated (a) General. Each tank must bear a corrosion resistant metal identification plate that is permanently attached to the portable tank and readily accessible for inspection. The information required in paragraph (b), and, when appropriate, paragraph (c) of this section must be stamped, embossed or othe ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `fd956e0e00eb684d851db62ed79a576a07ed6923b157641931913299fec63466` - Retrieved: 2026-08-13T06:37:36.057Z - Document slug: `49-cfr-178-270-14` - Related records: 0 ## 32. General requirements. **Citation:** 49 CFR 178.354-1 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (b) \[Reserved\] \[Amdt. 178-1, 33 FR 14935, Oct. 4, 1968. Redesignated by Amdt. 178-97, 55 FR 52716, Dec. 21, 1990\] ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `de2ad886038d5262a316f2a0f715b0adad0dd3bfe516c401511e1bdc04505232` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-354-1` - Related records: 0 ## 33. General requirements. **Citation:** 49 CFR 178.362-1 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (a) Each jacket must meet the applicable requirements of § 173.24 of this subchapter. (b) Maximum gross weight of the jacket plus the contents may not exceed the following: (1) Specification 20WC-1: 225 kg (500 pounds). (2) Specification 20WC-2: 225 kg (500 pounds). (3) Specification 20WC-3: 455 ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `738b93b15714590b2d3e7aeaa586b7b6c2757bfab7272d0bc86b47f4498cbbd3` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-362-1` - Related records: 0 ## 34. Required markings. **Citation:** 49 CFR 178.356-4 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated (a) Marking must be as prescribed in § 178.3. (b) Marking on the outside of each overpack must be as follows: (1) “USA-DOT-20PF-1” or “-2,” as appropriate, and if the entire liner is made of stainless steel, additional marking such as “3041-SS” to indicate the type of stainless steel used. (2) “T ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `0682b491cf2b34a5e3acea7628552db37ba187a0aeda9badeabc4f03aaa5a3a7` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-356-4` - Related records: 0 ## 35. Construction of Specification 21PF-1B overpacks. **Citation:** 49 CFR 178.358-4 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated (a) Each Specification 21PF-1 overpack for which construction began after March 31, 1989, must meet the requirements of Specification 21PF-1B, in conformance with drawings E-S-31536-J-P, and S1E-31536-J2-B of DOE CAPE-1662, Rev. 1, Supplement 1 (IBR, see § 171.7 of this subchapter). (b) With the ex ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `0ce2179fba1afd4b6315f969f49c5c91c44c459520eb5b49508e991818f21dc8` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-358-4` - Related records: 0 ## 36. Closure. **Citation:** 49 CFR 178.354-4 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (a) The outer drum closure must be at least 16-gauge bolt-type locking ring having at least a 5/16-inch steel bolt for drum sizes not over 15 gallons, or a 12-gauge bolted ring with drop-forged lugs, one of which is threaded, and a 5/8-inch steel bolt for drum sizes over 15 gallons. Each bolt must b ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `8c85e0007f9aae89792fb39ffceaced6ccc71a3247fb923d1cc8141ecbf4d539` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-354-4` - Related records: 0 ## 37. Tests. **Citation:** 49 CFR 178.364-4 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated \[Amdt. 178-35, 39 FR 45253, Dec. 31, 1974. Redesigntated by Amdt. 178-97, 55 FR 52716, Dec ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `dc0b9437a831826d2dc9cf63505bcb41a6a4116f9771a9f7efe506a124ce46b0` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-364-4` - Related records: 0 ## 38. General requirements. **Citation:** 49 CFR 178.360-1 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated Letters and numerals at least 6 mm (1/4-inch ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `a409931929147a4d040294e6d6d107d0df779f7af3aef8dccf11804e2405fa08` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-360-1` - Related records: 0 ## 39. Closure. **Citation:** 49 CFR 178.352-5 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated (a) The outer drum closure must be at least a 12-gauge bolted ring with drop forged lugs, one of which is threaded, and having at least a 1.6 centimeter (5/8-inch) diameter steel bolt and a lock nut, or equivalent device. (b) The closure device must have a means for the attachment of a tamper-proof ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `20fcaf559b7dda59b16bbd624a1d3f497c3b212382d1dbd82f1ed697c11b13bd` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-352-5` - Related records: 0 ## 40. Welding. **Citation:** 49 CFR 178.352-4 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated Welding must be of material having a melting point in excess of 800 °C (1475 °F) (except that for packages constructed prior to March 31, 1975, this temperature may be 540 °C (1000 °F)), with a joint efficiency of at least 0.85. This requirement applies to welding used in adding spacer rods to compl ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `e1e47656640e94f4d98772dcbe77fd8d6e0959df490bffda4a56825f8c88ed5f` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-352-4` - Related records: 0 ## 41. Closure. **Citation:** 49 CFR 178.364-3 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated Hinge pins must be minimum 6 mm (1/4 inch) diameter by 13.3 cm (51/4 inches) long mild steel rod drilled at both ends for cotter pins. \[66 FR 45389, ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `56f6ebe165d8cfa30d6a358777b2580923c3abe06ddcbc94a9255c84483af862` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-364-3` - Related records: 0 ## 42. Tests. **Citation:** 49 CFR 178.362-4 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2003-10-01 / Not stated Prior to each use, each jacket must be visually inspected for defects such as improper bonding, cracking, corrosion of steel rods, and improperly fitting closure lid, or other manufacturing defects. Particular attention must be given to any separation of the plywood discs and rings which would provi ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `8d4d62782cba272bbf2add1b4956e69e0f8e9e9394b39f9419ec5841993fcc80` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-362-4` - Related records: 0