E

Machinery used to regulate ballast water comprising water pumps, tanks, piping, and nozzles in the nature of mixing nozzles for the shipping, oil and gas, medical, and food service industries

Ballast water treatment system comprised primarily of pumps, tanks, piping, and nozzles for the shipping, oil and gas, medical, and food service industries

Disinfecting ballast water tanks by introducing sodium hypochlorite to prevent the growth of a population of organisms