The symposium on Water Pollution Assessment: Automatic Sampling and Measurement was presented at the Seventy-seventh Annual Meeting of the American Society for Testing and Materials held in Washington, D.C., 23—28 June 1974. Committee D19 on Water sponsored the symposium. D. G. Ballinger, Environmental Protection Agency, and M. W. Skougstad, Analytical Methods Research WRD, presided as symposium co-chairmen.