Code of Federal Regulations Title 33. Navigation and Navigable Waters § 33.151.69 Operating requirements:  Discharge of garbage outside special areas

(1) 12 nautical miles for food wastes, except that, such food wastes may be discharged outside of 3 nautical miles from nearest land after they have been processed with a grinder or comminuter specified in § 151.75;

(2) 12 nautical miles for cargo residues that cannot be recovered using commonly available methods for unloading. The discharged cargo residues must not be harmful to the marine environment;  and

(3) 100 nautical miles and the maximum water depth possible for animal carcasses. Discharge shall be conducted in accordance with the applicable International Maritime Organization guidelines.

(1) Retained on board for later disposal ashore;  or

(2) Discharged in accordance with the more stringent requirement prescribed by paragraphs (a) through (c) of this section.