Each uninspected vessel must meet the garbage discharge, waste management plan, and placard requirements of 33 CFR part 151 applicable to the vessel.
46 C.F.R. §25.50-1
33 CFR 151.67 prohibits the discharge of plastic or garbage mixed with plastic into the sea or the navigable waters of the United States. "Plastic" and "garbage" are defined in 33 CFR 151.05 .