# Regulus search export

- Query: `44 FR 49458`
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- Exported: 2026-08-22T22:50:00.607Z

## 1. 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: <https://www.govinfo.gov/app/details/CFR-2013-title49-vol3/CFR-2013-title49-vol3-sec178-356-2>
- Source ID: `govinfo-cfr`
- SHA-256: `4065381ce726a8b7ec4112ad02faa5b3afd121a4e38be564d38709ddb4b7d0d2`
- Retrieved: 2026-08-12T01:41:52.959Z
- Document slug: `49-cfr-178-356-2`
- Related records: 0