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Markham, M. Clare; Wosczyna, Karen – Environmental Science and Technology, 1976
Airborne asbestos is analyzed by differential dye adsorption. Quantities can be estimated down to 100 mg. For industrial use, asbestos samples must be separated from interfering minerals by density flotation. (Author/BT)
Descriptors: Air Pollution, Chemical Analysis, Environment, Environmental Research
Peer reviewed Peer reviewed
Hills, John P. – Environmental Science and Technology, 1976
When dealing with the "frontier of scientific knowledge" and questions of public health, United States courts are waiving traditional burdens of proof, giving increased weight to expert opinions and/or lowering their standard of necessary proof. Recent cases involving asbestos, pesticides, lead in gasoline, and vinyl chlorides are discussed. (BT)
Descriptors: Court Litigation, Decision Making, Environment, Environmental Influences