The fuel sheen will attach itself to pilings and floating foams soaking into the surface, dissolving the foam and causing a fire hazard. The agitation of water from currents, winds and propellers cause a certain amount of the fuel and oil to emulsify in the water. The environmental authorities are setting discharge limits of 15 to 35 parts per million. One gallon of discharged oil or fuel is sufficient to contaminate thousands of gallons of water to over 100 parts per million. The environmental authorities in many jurisdictions are levying fines against boaters and marinas causing oil and fuel sheens.
Water contamination is measured in parts per million and billion.
Irresponsible boating causes spills and slicks from fueling operations. Oil and fuel are discharged from the bilge as a result of poor engine maintenance. This site lists or links a few of the products and their applications. Hampton, Va. 23669 888.Go.