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- Query: `87 FR 62177`
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- Exported: 2026-08-24T04:16:25.853Z

## 1. Hazardous Materials: Safety Device Classification Policy

**Citation:** PHMSA Guidance, Hazardous Materials: Safety Device Classification Policy  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** 2022-10-13 / 2022-10-13

Hazardous Materials: Safety Device Classification Policy Document PHMSA Safety Device Policy FRN - 87 FR 62177 - 10.13.22.pdf (224.11 KB) This Notice details what PHMSA will consider when reviewing an approval request to reclassify a material as a Class 9 safety

### Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/regulatory-compliance/phmsa-guidance/hazardous-materials-safety-device-classification-policy>
- Source ID: `phmsa-guidance`
- SHA-256: `9a1186fa9bc11952b8864ddd95d2878d6802d852c33072d99950482b2138a866`
- Retrieved: 2026-08-20T00:43:06.968Z
- Document slug: `phmsa-guidance-hazardous-materials-safety-device-classification-policy-e7798a22`
- Related records: 5