§ 1700.20 Deck runoff.

(a) Flight deck washdowns are prohibited.

(b) Minimize deck washdowns while in port and in federally-protected waters.

(c) Prior to performing a deck washdown, exposed decks must be broom cleaned and on-deck debris, garbage, paint chips, residues, and spills must be removed, collected, and disposed of onshore in accordance with any applicable solid waste or hazardous substance management and disposal requirements.

(d) If a deck washdown or above water line hull cleaning will result in a discharge, it must be conducted with minimally-toxic and phosphate-free soaps, cleaners, and detergents. The use of soaps that are labeled toxic is prohibited. Furthermore, soaps, cleaners, and detergents should not be caustic and must be biodegradable. All soaps and cleaners must be used as directed by the label.