46 C.F.R. § 45.179 Cargo limitations.
Title 46 - Shipping
(a) Only dry cargoes may be carried. Liquid cargoes, even in drums or tank containers, may not be carried. (b) Hazardous materials, as defined in part 148 of this chapter and 49 CFR chapter 1, subchapter C, may not be carried.
Title 46: Shipping
PART 45—GREAT LAKES LOAD LINES
Subpart E—Unmanned River Barges on Lake Michigan Routes
§ 45.179 Cargo limitations.

