Following is a continuation of the list of titles and authors of the papers presented: Removal of Phenol in Wastewater by Wet Air Oxidation. By B. B. Pruden and D. R. Ferguson. Boundary Effects on Dilution of Buoyant Jets. By James J. Sharp and Chung-su Wang. Heavy Metal Tolerance in Algae Isolated from Polluted Lakes Near Sudbury, Ontario Smelters. By P. M. Stokes, T. C. Hutchinson and K. Krauter. Phosphorus Leaching from Sewage Sludge Used as Landfill. By P. K. Wadehra and M. Adelman. Wet Air Oxidation of Low Molecular Weight Organic Acid. By P. E. L. Williams, D. C. Day, R. R. Hudgins and P. L. Silveston.