46 CFR § 4.03-60 - Noxious liquid substance (NLS).

---
identifier: "/us/cfr/t46/s4.03-60"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 4.03-60 - Noxious liquid substance (NLS)."
title_number: 46
title_name: "Shipping"
section_number: "4.03-60"
section_name: "Noxious liquid substance (NLS)."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "A"
subchapter_name: "PROCEDURES APPLICABLE TO THE PUBLIC"
part_number: "4"
part_name: "MARINE CASUALTIES AND INVESTIGATIONS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "14 U.S.C. 102; 43 U.S.C. 1333; 46 U.S.C. 2103, 2303A, 2306, 6101, 6301, 6305, 70034; 50 U.S.C. 198; DHS Delegation 00170.1, Revision No. 01.4. Subpart 4.40 issued under 49 U.S.C. 1131(a)(1)(E)."
regulatory_source: "CGD 74-119, 39 FR 33317, Sept. 17, 1974, unless otherwise noted."
cfr_part: "4"
---


# 4.03-60 Noxious liquid substance (NLS).

*Noxious liquid substance (NLS)* means—

(a) Each substance listed in 33 CFR 151.47 or 151.49;

(b) Each substance having an “A,” “B,” “C,” or “D” beside its name in the column headed “IMO Annex II pollution category” in table 1 of part 153 of this chapter; and

(c) Each substance that is identified as an NLS in a written permission issued under § 153.900(d) of this chapter.

[USCG-2000-6927, 70 FR 74676, Dec. 16, 2005]