The Tenth Great Lakes Regional Meeting of the American Chemical Society met to assess current Chemical Research activity in the Great Lakes Basin, and addressed to the various aspects of the theme, Chemistry of the Great Lakes. Research areas reviewed included watershed studies, atmospheric and aquatic studies, and sediment studies. (BT)

The most frequent testing required under the Safe Drinking Water Act of 1974 is for turbidity and coliform. Free chlorine residual testing can be substituted for part of the coliform requirement. Described are chemical procedures for performing this test. References are given. (Author/MA)

The procedures utilized by the Association of Official Analytical Chemists (AOAC) to develop, evaluate, and validate analytical methods for the analysis of chemical pollutants are detailed. Methods validated by AOAC are used by the EPA and FDA in their enforcement programs and are granted preferential treatment by the courts. (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)

Describes a recently developed technique for the rapid and simple detection of organophosphorus inhibitors in water using paper impregnated with cholinesterase. (JR)

This article presents discussions dealing with the latest analytical and bioassay methods for environmental assessment. Presented is a phased approach for the integration of methods in environmental assessment. (RE)