# Regulus search export - Query: `66 FR 45387` - 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: 24 - Exported: 2026-08-24T16:01:04.432Z ## 1. 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 ## 2. General requirements. **Citation:** 49 CFR 178.272-1 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) Specification IM 102 portable tanks must conform to the general design and construction requirements in § 178.270 of this subpart in addition to the specific design requirements contained in this section. (b) The MAWP of each tank shall be less than 1.75 bar (25.4 psig) but at least 1.0 bar (14 ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `5ce9c05d5cdaf9cf5e3c033ac39e8b601be19d0879430c3f8dfb845745785110` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-272-1` - Related records: 0 ## 3. Tests. **Citation:** 49 CFR 178.356-3 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated (a) Leakage test—Each inner liner assembly must be tested for leakage prior to installation. Seam welds of the liner must be covered for a distance of at least 15 cm (6 inches) on either side of the seam with soapsuds, heavy oil, or equivalent material, and interior air pressure applied to at least ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `0778750a1f28dbf344af19c3d15adf1a1353c8ac71573e309847df20ed611e45` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-356-3` - Related records: 0 ## 4. General requirements. **Citation:** 49 CFR 178.271-1 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) Specification IM 101 portable tanks must conform to the general design and construction requirements in § 178.270 of this subpart in addition to the specific design requirements contained in this section. (b) The MAWP of each tank shall be equal to or greater than 1.75 bar (25.4 psig) and less ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `a8ea628e607c83451cce1bd8fb600f7b3e4c440681aa56f399ca3d9ff6c8d84f` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-271-1` - Related records: 0 ## 5. 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 ## 6. General requirements. **Citation:** 49 CFR 178.364-1 **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. Redesignated by Amdt. 178-9 ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `ec73e792750c1af67fe1bb2b59b4b1dfa079824cf7c40b75f9221c89b113ac08` - Retrieved: 2026-08-13T06:37:29.399Z - Document slug: `49-cfr-178-364-1` - Related records: 0 ## 7. External design pressure. **Citation:** 49 CFR 178.270-10 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) Each portable tank not fitted with vacuum relief devices must be designed to withstand a positive external pressure differential of at least 0.4 bar (6 psig). (b) Each portable tank fitted with vacuum relief devices must be designed to withstand a positive external pressure differential not les ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `84bdcfe871fa6ac0f2a8ecd04a05eab3a8a468a9c4303e3c90b5da8b67b94b17` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-270-10` - Related records: 0 ## 8. Design pressure. **Citation:** 49 CFR 178.245-3 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) The design pressure of a tank authorized under this specification shall be not less than the vapor pressure of the commodity contained therein at 46 °C (115 °F), or as prescribed for a particular commodity by part 173 of this chapter, except that in no case shall the design pressure of any conta ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `96a8c06165c0d5eafc49c8d77e4bf090fe7af1af2922412cbdf9baa5f7a84969` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-245-3` - Related records: 0 ## 9. 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 (a) Closure for the wooden protective jacket is provided by the steel reinforcing rods. The end cap (lid) must fit tightly to the body of the jacket to prevent a heat path to the inside of the jacket. 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 ## 10. 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 ## 11. 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 (a) Each vessel must be made of stainless steel, malleable iron, or brass, or other material having equivalent physical strength and fire resistance. (b) Each vessel must meet all of the applicable requirements of § 173.24 (c) and (d) of this subchapter. 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 ## 12. 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 ## 13. 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 ## 14. 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 ## 15. 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 ## 16. General requirements. **Citation:** 49 CFR 178.358-1 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2013-10-01 / Not stated (a) Each overpack must meet all of the applicable requirements of §§ 173.24, 173.411, and 173.412 of this subchapter. (1) Specification 21PF-1 overpacks includes the series of 21PF-1, 21PF-1A, and 21PF-1B models. Details of the three models are included in DOE CAPE-1662, Rev. 1 and Supplement 1 (IB ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `de4acee97434fd669aef31af1f5ca634bfd706d2bac63718cd98ef1e483d10fe` - Retrieved: 2026-08-12T01:41:52.959Z - Document slug: `49-cfr-178-358-1` - Related records: 0 ## 17. Testing. **Citation:** 49 CFR 178.270-13 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2006-10-01 / Not stated (a) Hydrostatic test. Each portable tank and all piping, valves, and other attachments which are subject to the pressure of the contents of the tank, except pressure relief devices, must be hydrostatically tested by completely filling the tank (including domes, if any) with water or other liquid hav ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `41ee9d393b7a42576019c1005b0c7f70065b51f067dc325000f331e96c50e95a` - Retrieved: 2026-08-13T06:37:36.057Z - Document slug: `49-cfr-178-270-13` - Related records: 0 ## 18. 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 ## 19. Minimum thickness of shells and heads. **Citation:** 49 CFR 178.270-5 **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2005-10-01 / Not stated (a) For the purposes of this section, mild steel is steel with a guaranteed minimum tensile strength of 37 decanewtons per square millimeter (53,650 p.s.i.) and a guaranteed elongation of 27 percent or greater. (b) Except as otherwise provided in this subchapter, the shell and heads of each portabl ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `a72535af33cb3d590b3a15a6795a52daad2cd88e50b63c28eb151810d9a2bcac` - Retrieved: 2026-08-13T06:37:34.028Z - Document slug: `49-cfr-178-270-5` - Related records: 0 ## 20. 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 ## 21. 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 ## 22. 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 ## 23. 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 ## 24. 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