# Fueling (bunkering).

**Citation:** 49 CFR 176.154  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) Class 1 (explosive) materials, except those in compatibility group S, may not be loaded or unloaded when fueling (bunkering) is in progress except with the prior authorization of the COTP, and under conditions prescribed by that officer.

(b) Vessels containing Class 1 (explosive) materials may 

## Document text

(a) Class 1 (explosive) materials, except those in compatibility group S, may not be loaded or unloaded when fueling (bunkering) is in progress except with the prior authorization of the COTP, and under conditions prescribed by that officer.

(b) Vessels containing Class 1 (explosive) materials may not be fueled (bunkered) with the hatches open unless authorized by the COTP.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-176.154>
- Source ID: `ecfr`
- SHA-256: `8ed194018734fb159bbe3274d7b96817f725b96fbe3c9ddcf4bf0f7b736a3df5`
- Retrieved: 2026-08-20T05:46:14.489Z
- Exported: 2026-08-23T08:14:40.258Z
- Document slug: `49-cfr-176-154`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "176",
  "section": "176.154",
  "subpart": "Subpart G—Detailed Requirements for Class 1 (Explosive) Materials",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```