---
kind: "section"
citation: "40 C.F.R. § 139.29"
title: "40"
number: "139.29"
heading: "Sonar domes."
url: "https://uscodex.org/cfr/40/139.29"
---

# §139.29. Sonar domes.

- (a) **The requirements in paragraphs (b) and (c) of this section apply to discharges from sonar domes.**
- (b) **The discharge of water from inside the sonar dome is prohibited during maintenance or repair.**
- (c) Any discharge from the use of bioaccumulative biocides on the exterior of the sonar dome is prohibited when non-bioaccumulative alternatives are available.

## Notes

### Authority

Authority: 33 U.S.C. 1251 et seq.

### Source

Source: 89 FR 82131, Oct. 9, 2024, unless otherwise noted.