Subpart A—General11Subpart B—General Operating Requirements11Subpart C—General Handling and Stowage12Subpart D—General Segregation Requirements3Subpart E—Special Requirements for Transport Vehicles Loaded With Hazardous Materials and Transported on Board Ferry Vessels6Subpart F—Special Requirements for Barges5Subpart G—Detailed Requirements for Class 1 (Explosive) Materials37Subpart H—Detailed Requirements for Class 2 (Compressed Gas) Materials6Subpart I—Detailed Requirements for Class 3 (Flammable) and Combustible Liquid Materials5Subpart J—Detailed Requirements for Class 4 (Flammable Solids), Class 5 (Oxidizers and Organic Peroxides), and Division 1.5 Materials4Subpart L—Detailed Requirements for Division 2.3 (Poisonous Gas) and Division 6.1 (Poisonous) Materials2Subpart M—Detailed Requirements for Radioactive Materials6Subpart N—Detailed Requirements for Class 8 (Corrosive Materials) Materials2Subpart O—Detailed Requirements for Cotton and Vegetable Fibers, Motor Vehicles, Polymeric Beads, and Plastic Molding Compounds6
Regulationcurrent
49 CFR 176.162
Security.
Current as of 2026-08-18 Government source
eCFR editorial compilationAuthoritative but unofficial
A responsible person must be present at all times when the hatches of spaces containing Class 1 (explosive) materials are open. No unauthorized person may be permitted to access spaces in which Class 1 (explosive) materials are stowed. Magazines must be secured against unauthorized entry when loading has been completed, or when loading or unloading is stopped. Packages containing Class 1 (explosive) materials may not be opened on board ship.#
