46 C.F.R. § 148.03-3 Direction and observation.
Title 46 - Shipping
Loading or off-loading of a solid hazardous material in bulk within the navigable waters of the U.S. must be conducted only under the direction and observation of a person assigned or employed for such duty by the vessel's master or owner or authorized representative.
Title 46: Shipping
PART 148—CARRIAGE OF SOLID HAZARDOUS MATERIALS IN BULK
Subpart 148.03—Minimum Transportation Requirements
§ 148.03-3 Direction and observation.