# Chemical or biological agents.

**Citation:** 40 CFR 110.4  
**Type / status:** regulation / current  
**Agency:** Environmental Protection Agency  
**Effective:** 2026-08-18  
**Published:** Not stated

The addition of any chemical or biological agent, or any other substance, to oil to be discharged that would circumvent the provisions of this part is prohibited.

[88 FR 38332, June 12, 2023]

## Document text

The addition of any chemical or biological agent, or any other substance, to oil to be discharged that would circumvent the provisions of this part is prohibited.

[88 FR 38332, June 12, 2023]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-40/section-110.4>
- Source ID: `ecfr`
- SHA-256: `30b148704201e2482e6a3f4b97e0f10542384cba03671c4ff50b3a99ba2ad1c3`
- Retrieved: 2026-08-20T06:28:21.529Z
- Exported: 2026-08-24T01:09:48.229Z
- Document slug: `40-cfr-110-4`

### Source metadata

```json
{
  "cfrTitle": 40,
  "part": "110",
  "section": "110.4",
  "subpart": "",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```