# Council on Safe Transportation of Hazardous Articles — Hazardous Materials Safety Interpretation

**Citation:** 22-0009  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2022-07-22

22-0009 response to Council on Safe Transportation of Hazardous Articles concerning 175.33.

## Document text

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## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/docs/standards-rulemaking/hazmat/interpretations/76646/220009.pdf>
- Source ID: `phmsa`
- SHA-256: `de066f4bb74edc1868d81cc65fefcafb09e4cb0703e5c1add6b744e6fbe5bae8`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-24T09:25:01.628Z
- Document slug: `phmsa-interpretation-22-0009`

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