Section 140.655 - Prevention of oil and garbage pollution(a) Each towing vessel must be operated in compliance with: (1) Applicable sections of the Federal Water Pollution Control Act, including section 311 of the Federal Water Pollution Control Act, as amended (33 U.S.C. 1321 );(2) Applicable sections of the Act to Prevent Pollution from Ships (33 U.S.C. 1901 et seq.); and(3) Parts 151, 155, and 156, of 33 CFR, as applicable.(b) Each towing vessel must be capable of preventing all oil spills from reaching the water during transfers by:(1) Pre-closing the scuppers/freeing ports, if the towing vessel is so equipped;(2) Using fixed or portable containment of sufficient capacity to contain the most likely spill, if 33 CFR 155.320 does not apply; or(3) Pre-deploying sorbent material on the deck around vents and fills.(c) No person may intentionally drain oil or hazardous material into the bilge of a towing vessel from any source. For purposes of this section, "oil" has the same meaning as "oil" defined in 33 U.S.C. 1321 .