The Sandnes, Norway based company Optimarin was the first in the world to get approval for a system for the disposal of ballast water aboard ships sailing in American waters. The system is approved according to USCG, IMO G8 and DNG GL.
http://www.hegnar.no/Nyheter/Boers-finans/2018/02/Styrer-mot-milliardsalg
The system was tested by Applica Test & Certification at the EMC/Environmental test lab at Høvik, Norway.