Although designated a long term environmental hazard, polychlorinated biphenyls are still finding their way to certain streams, lakes, stream and lake sediments and fresh-water biota. Useful though they may be, the Environmental Protection Agency will seek a halt to all polychlorinated biphenyls production and use in the United States. (BT)

Spill control methods have been developed to control, treat and monitor spills of hazardous materials during their manufacture, transport, and storage. Spills on both land and water, and methods of treatment and control in these environments were studied. A discussion of detection and monitoring equipment and protective clothing concludes this…

Reviews the current state of information on the significance of phosphate as a water pollutant and the relationship between phosphorus loads and water quality. Areas that need additional research are discussed. (Author/BB)

The highlights of a symposium held in October, 1977 spotlight some problems and solutions. Topics include wastes from coal technologies, radioactive wastes, and industrial and agricultural wastes. (BB)

The conference reported on here placed the greatest emphasis on the nature of man and his relationship with his surroundings. The major conclusion reached was that man's options are limited and his future bleak unless the earth's resources are better managed and more equitably shared. (Author/BB)

In order to adequately assess the impact of power plant cooling water intake on an aquatic ecosystem, total ecosystem effects must be considered, rather than merely numbers of impinged or entrained organisms. (Author/RE)