Vessel Operator Pumpout Compliance
The regulations allow for four methods of securing a Type I or II marine sanitation device (MSD) while in an NDZ, including:
Closing the seacock and removing the handle;
Padlocking the seacock in the closed position;
Using a non-releasable wire-tie to hold the seacock in the closed position; or
Locking the door to the space enclosing the toilets with a padlock or door handle key lock.
For Type III devices, the following options are available:
Closing valves leading to overboard discharge and removing the handle;
Padlocking any valves leading to overboard discharge in the closed position; or
Holding overboard discharge valves closed using a non-releasable wire-tie.