Details are given explaining how particle size, adsorption, and respiratory deposition profiles combine to determine aerosol toxicity. (DT)

Despite the suggested link between cancer deaths and drinking obtained from the Mississippi River, New Orleans still treats its water supply in the same manner as before the Environmental Defense Fund's epidemiological study. (BT)

Discusses the human costs of producing and using nuclear fuel to generate electricity and...whether these costs are equitably compensated for and represented in the price of the electricity.'' Analysis considers estimates of the value of human life, lost productivity, and potential effects of radiation. (Author/AL)

An experimental and theoretical investigation into the range and nature of exposure of the nonsmoking public to respirable suspended particulates from cigarette smoke is reported. An assessment of public health policy implications is presented. (Author/RE)

Describes screening systems for environmental mutagens, characteristics of the ideal screening system, characteristics of currently employed screening systems, correlative information required for decision making, and application of data to human populations. (GS)

It is suggested that a system of relative standards be formulated which would compare utility of substances to their relative risk as carcinogens. This would define a range of use restrictions. Substances intended for specific uses would then be regulated according to these standards. (Author/RE)