According to the tank situation report filed by the shipping company Herakles contained approximately of marine gas oil (MGO) in eight fuel tanks, of lubrication oil and of hydraulic oil at the time of the sinking. There were also 70 tons (approximately ) of heavy fuel oil and of marine gas oil in the fuel storage tanks of Bulk, and some fuel and lubrication oil in the generator room."Herakles" vrak lokaliserad. Svensk Sjöfarts Tidning 5/04.
