Reporterette just said three cruise ships left port.
Just put the barrels on a truck, run down to the port where the cruise ships leave, and just as they leave dump the oil in the slip.
Who would be the wiser? It's Sunday. Security is light. Cruise ships leave a greasy trail anyway.
That $10,000 fine another Freeper noted above would have sure paid for legitmate oil disposal for years and years.
Anyway, just speculating, but it's probably going to come down something like that.