The fine is the largest ever imposed for intentional polluting by maritime vessels. The acts were performed by crew members apparently believing they were being directed by other mid-level management employees to save the company money. Carnival had policies in place prohibiting the practices in which the employees were engaging, and there were procedures in place to monitor what was being discharged from the ships. The problem for Princess and Carnival was that the employees were circumventing these, and management's actual oversight was insufficient to catch the violations.
The complete story appeared in the December 1 edition of Cruise News Daily.