Summarized are current analytical techniques used to classify, isolate, resolve, identify, and quantify organic compounds present in drinking water. A variety of methods are described, then drawbacks and advantages are listed, and research needs and future trends are noted. (CS)

This article presents a six-week basic training course implemented in Detroit for operation and maintenance of a newly upgraded wastewater treatment plant. Each phase of the program, including manual preparation and use, is outlined and discussed. (CS)

The early history of disinfection and sterilization, physical methods, electron irradiation, sonic and supersonic waves, alpha, beta, gamma, cathode, x-rays, and ultraviolet radiation, and heating and freezing are covered. (BB)

It is suggested that plant operators can be useful in designing sewage treatment plants. The advantages of this cooperative arrangement to the consulting engineers and the city, and the pitfalls, are discussed. (BB)

The past year saw a re-emphasis on the practical aspects of hydrology due to regional drought patterns, urban flooding, and agricultural and energy demands on water resources. Highlights of hydrologic symposia, publications, and events are included. (MA)

The water consumption requirements for a variety of energy options are presented, and comparative judgments drawn. Attention is focused on problems resulting from synthetic, gaseous, and liquid fuel production. Scenarios describing possible future levels of coal and electricity use are analyzed. They point to the importance of water supply…

This article expresses one person's efforts and enjoyments in establishing and managing a small pond in New England. The original purpose of the pond was to attract birds. (MDR)

This method of image enchancement and real-time imput of 3-D microscopic objects into an optical pattern recognition system is designed to identify and count diatoms as a means of water pollution assessment. The method consists of directing a low-power laser beam into a microscope to produce a coherent image of the specimen. (Author/BB)

Reports on the use of demonstration/experiment using silver ions in water purification. (SL)

A model for curriculum development patterns or themes relevant to American Indians is presented. These themes include: energy and matter; language and culture; spirit and life; law and economics; physical development and health. Assuming the environment as the central theme, a sample curricular unit is presented. (JC)

Estimates the amount of oil discharged into the ocean from various sources. The decomposition of oil, its long-term effects and case studies of particular oil spills are described. (CP)

Present technology and policy concerning the cleanup of oil spills on the open sea are presented. (CP)

The OECD consultation and surveillance mechanism is discussed in detail in this article. Four phases are identified and examined: (1) Notification, (2) Consultation, (3) Supervision, (4) Post-operation. This system is designed to provide the safest possible conditions for sea dumping of radioactive wastes. (MA)

This Water Conference adapted a set of detailed action recommendations on various aspects of water resources development and management and decided that this set of recommendations would be known as the "Mar del Plata Action Plan." This article presents an abridged version of selected recommendations in the Action Plan. (Author/MA)

The U.S. imports more than half its fish foods per year. As a result, the federal government is now showing an interest in aquaculture and has designated the Department of Agriculture as the lead agency for research, extension, and education. Catfish, salmon, and oyster farming are given as examples. (MA)