This unit is one of a series in environmental education for grades 1-12. The unit is designed to be used with secondary school students and includes the following sections: (1) Preface; (2) Riverview; (3) A Healthy Waterway; (4) An Unhealthy Waterway; (5) Cleanup Technology; (6) Effects of Certain Other Pollutants; (7) Lake Tahoe; (8) The Role of…

In addition to traditional sources, includes experiments, computer models and simulations, and films. (MLH)

Beverage cans are well suited for sediment collection and storage containers. Advantages include being free, readily available, and the correct size for many samples. Instruction for selection, preparation, and use of cans in sediment collection and storage is provided. (RE)

Integrated Exposure Assessment Monitoring is the coordination of environmental (air, water, land, and crops) monitoring networks to collect systematically pollutant exposure data for a specific receptor, usually man. (Author/BB)

Reviewing the areas of tribal sovereignty, taxation, and natural resources, with holdings and implications of several important cases during the past year and an analysis of the broad trends which appear to be developing in these areas, this article then summarizes the trends in litigation and comments on the future conduct of Indian litigation.…

Presents a literature review of wastewater disinfection for 1978. This review covers areas such as: (1) mechanisms of inactivation of negative microorganisms by chlorine and ozone; and (2) the effects of various treatment on over-all water quality. A list of 61 references is also presented. (HM)

Presents a literature review of wastes from textile industry, covering publications of 1977. This review covers studies such as removing heavy metals in textile wastes, and the biodegradability of six dyes. A list of references is also presented. (HM)

Presents a literature review of disease outbreaks related to fish and shellfish, covering publications of 1976-77. This review covers the chemical, bacterial, and viral diseases that are transmitted by fish and shellfish. A list of 50 references is also presented. (HM)

Factors that might concern environmental health and safety or administrative personnel when reviewing plans for a mass gathering are examined. (Author/MJB)

Calculations and diagrams are given for determining parameters useful for the operation of screw pumps. (BB)

Discusses dam and non-dam hydroelectric power generating possibilities as a partial solution to our energy dilemma. (MDR)

The observations and conclusions are reviewed of the more widely distributed works on the bactericidal efficacy of cyanuric acid based swimming pool disinfectants. (BB)

A plan for the disposal of nuclear reactor wastes in Sweden is outlined. The discussion also examines the possible hazards not considered in this plan. (MDR)

A strong legal claim exists for retained Native water rights on Alaska Native-selected lands which are paramount to subsequent competing users. Water rights are critical to the maintenance of Native subsistence economies and continued commercial developments. These water rights can and must be asserted and secured now. (Author/JC)