---
kind: "section"
citation: "40 C.F.R. § 1700.34"
title: "40"
number: "1700.34"
heading: "Sonar dome discharge."
url: "https://uscodex.org/cfr/40/1700.34"
---

# §1700.34. Sonar dome discharge.

- (a) The water inside the sonar dome must not be discharged for maintenance activities unless the use of a drydock for the maintenance activity is not feasible.
- (b) The water inside the sonar dome may be discharged for equalization of pressure between the interior and exterior of the dome.
- (c) A biofouling chemical that is bioaccumulative should not be applied to the exterior of a sonar dome when a non-bioaccumulative alternative is available.

## Notes

### Amendments

[85 FR 43476, July 17, 2020]

### Source

Source: 82 3183, Jan. 11, 2017, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1322, 1361.

### Source

Source: 64 FR 25134, May 10, 1999, unless otherwise noted.

### Amendments

[85 FR 43476, July 17, 2020]