46 CFR § 16.240 - Serious marine incident testing requirements.

---
identifier: "/us/cfr/t46/s16.240"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 16.240 - Serious marine incident testing requirements."
title_number: 46
title_name: "Shipping"
section_number: "16.240"
section_name: "Serious marine incident testing requirements."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "B"
subchapter_name: "MERCHANT MARINE OFFICERS AND SEAMEN"
part_number: "16"
part_name: "CHEMICAL TESTING"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 2103, 3306, 7101, 7301, and 7701; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGD 86-067, 53 FR 47079, Nov. 21, 1988, unless otherwise noted."
cfr_part: "16"
---


# 16.240 Serious marine incident testing requirements.

The marine employer must ensure that all persons directly involved in a serious marine incident are chemically tested for evidence of dangerous drugs and alcohol in accordance with the requirements of subpart 4.06 of this chapter.