Code of Federal Regulations Title 40. Protection of Environment § 40.1700.32 Seawater piping biofouling prevention

(a) Seawater piping biofouling chemicals subject to registration under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) (7 U.S.C. 136 et seq.) must be used in accordance with the FIFRA label. Pesticides or chemicals banned for use in the United States must not be discharged.

(b) To the greatest extent practicable, only the minimum amount of biofouling chemicals must be used to keep fouling under control.

(c) Fouling organisms must be removed from seawater piping on a regular basis. For all vessels, except submarines, the discharge of fouling organisms removed during cleanings is prohibited.