Regulations last checked for updates: Dec 19, 2025

Title 46 - Shipping last revised: Nov 24, 2025
§ 189.25-47 - Chemical and explosive hazards.

(a) The marine inspector shall inspect every chemistry laboratory, scientific laboratory, and chemical storeroom during each inspection for certification and periodic inspection.

(b) Magazines, vans, and chests shall be inspected during each inspection for certification and periodic inspection.

[CGFR 67-83, 33 FR 1118, Jan. 27, 1968, as amended by USCG-1999-4976, 65 FR 6509, Feb. 9, 2000; 65 FR 11904, Mar. 7, 2000]
authority: 46 U.S.C. 2113,3306,3307,70034; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation 00170.1, Revision No. 01.2
source: CGFR 67-83, 33 FR 1118, Jan. 27, 1968, unless otherwise noted.
cite as: 46 CFR 189.25-47