# Regulus search export - Query: `39 FR 45250` - 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: 2026-08-25T04:30:53.850Z ## 1. 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 ## 2. 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