# Regulus search export

- Query: `53 FR 36551`
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- As of: Current corpus
- Results: 4
- Exported: 2026-08-23T10:32:07.412Z

## 1. 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: <https://www.govinfo.gov/app/details/CFR-2013-title49-vol3/CFR-2013-title49-vol3-sec178-358-4>
- Source ID: `govinfo-cfr`
- SHA-256: `0ce2179fba1afd4b6315f969f49c5c91c44c459520eb5b49508e991818f21dc8`
- Retrieved: 2026-08-12T01:41:52.959Z
- Document slug: `49-cfr-178-358-4`
- Related records: 0

## 2. 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: <https://www.govinfo.gov/app/details/CFR-2013-title49-vol3/CFR-2013-title49-vol3-sec178-358-1>
- Source ID: `govinfo-cfr`
- SHA-256: `de4acee97434fd669aef31af1f5ca634bfd706d2bac63718cd98ef1e483d10fe`
- Retrieved: 2026-08-12T01:41:52.959Z
- Document slug: `49-cfr-178-358-1`
- Related records: 0

## 3. 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: <https://www.govinfo.gov/app/details/CFR-2013-title49-vol3/CFR-2013-title49-vol3-sec178-358-2>
- Source ID: `govinfo-cfr`
- SHA-256: `99d66daf371ae3ff78b0fb309261cc1a379e734c0034da8e5477662e5cd95656`
- Retrieved: 2026-08-12T01:41:52.959Z
- Document slug: `49-cfr-178-358-2`
- Related records: 0

## 4. 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: <https://www.govinfo.gov/app/details/CFR-2013-title49-vol3/CFR-2013-title49-vol3-sec178-358-3>
- Source ID: `govinfo-cfr`
- SHA-256: `50d9cc425fbaa4ea162b96dcb407e73ee857cd3f6f4359441a032aa8df596c63`
- Retrieved: 2026-08-12T01:41:52.959Z
- Document slug: `49-cfr-178-358-3`
- Related records: 0