The report summarizes work performed under a program for 'Prevention and Elimination of Oil Pollution of the Buffalo River.' The program included many analytical, design, experimental, and development subtasks. The design, fabrication, and field testing of a pneumatic barrier system was undertaken for restraining the flow of surface oil in the Buffalo River, and laboratory tests were performed to obtain performance data under extended flow conditions. An extensive sampling program to determine the distribution and characteristics of oil pollutants on the river was carried out and various oil sampling techniques were devised and evaluated. In-sewer instruments for detecting thin and thick surface oil films and oil in bulk water were designed, fabricated, and tested in the Buffalo sewer system. A telemetering system relayed oil accumulation data to a central facility. Specifications for an oil and debris removal boat and its associate equipment were prepared. Methods were developed for evaluating oil skimmer performance. The oil trapping characteristics of inverted siphons were investigated. Various oil boom configurations were evaluated.