---
kind: "section"
citation: "46 C.F.R. § 154.1818"
title: "46"
number: "154.1818"
heading: "Certification of inhibition."
url: "https://uscodex.org/cfr/46/154.1818"
---

# §154.1818. Certification of inhibition.

- (a) Except as provided in [§ 154.1740(b)](/cfr/46/154.1740.md?p=b), no person may operate a vessel carrying butadiene or vinyl chloride without carrying in the wheelhouse written certification from the shipper that the product is inhibited.
- (b) The certification required by this section must contain the following information:
  - (1) **The name and concentration of the inhibitor.**
  - (2) **The date the inhibitor was added.**
  - (3) **The expected duration of the inhibitor's effectiveness.**
  - (4) **Any temperature limitations qualifying the inhibitor's effective lifetime.**
  - (5) **The action to be taken if the time of the voyage exceeds the inhibitor's lifetime.**

## Notes

### Authority

Authority: 46 U.S.C. 3703, 9101; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.