33 CFR §158.240

1. (a)An amount of ballast from bunker tanks, and the wash water and oil residue from the cleaning of bunker tanks and oil residue (sludge) tanks, equal to 8 percent of the bunker capacity of the largest oceangoing ship serviced;
2. (b)An amount of solid oil cargo residues from cargo tanks equal to 0.1 percent of the deadweight tonnage of the largest oceangoing tanker serviced;
3. (c)An amount of ballast water containing oily mixtures and wash water from in-port tank washing equal to—
   1. (1)1,500 metric tons (1,650 short tons), or;
   2. (2)4 1/2% of the deadweight tonnage of the largest oceangoing tanker serviced; and
4. (d)An amount of liquid oil cargo residue based on the following percentages of deadweight tonnage of the largest oceangoing tanker serviced:
   1. (1)For crude oil oceangoing tankers, 1%.
   2. (2)For black product oceangoing tankers, 0.5%
   3. (3)For white product oceangoing tankers, 0.2%