Comparative Studies Of Food And Environmental Contamination Proceedings Of A Symposium On Nuclear Techniques In Comparative Studies Of Food And Environmental Contamination Held In Otaniemi Finland 27 31 August 1973 PDF Download

Global inputs and burdens of chemical residues in the biosphere: the problem and control measures. Radioisotope techniques to evaluate the environmental behaviour of cadmium. A study of organochloride insecticide residues in Uganda, with special reference to dieldrin and DDT. A laboratory model ecosystem for evaluating the chemical and biological behaviour of radiolabelled micropollutants. Air pollution and its effects on health: heavy metals and hydrocarbons. Trace element concentrations in atmospheric aerosols and rainwater, measured by neutron activation and y-ray spetrometry. Estudio de la contaminación del aire en la ciudad de México. Aquatic systems. Radioecological investigations on the upper reaches of the river Danube. Applications des techniques radioécologiques aux études de pollution non radioactive: application à un cas particulier. Relation entre la forme physico-chimique du ruthénium-106 et les phénomènes de contamination observés expérimentalement chez diverses espèces marines. Mercury pollution of the aquatic environment in Finland. Experimental studies on cadmium flux through marine biota. Cadmium toxicity in adults and early larval stages of the mussel Mytilus galloprovinciallis Lam. Neutron activation analysis trace-element studies of Dover sole liver and marine sediments. Bioaccumulation of 14C-DDT in a small pond. Trace element concentrations in some Italian underground waters, determined by neutron activation analysis. Soils, plants and foods. Stable lead and 210Pb in the food chain lichen - reindeer - man. The adsorption and extraction of 90Sr and 137Cs in Finnish soils. Availability of strontium-90 to various Egyptian plants through environmental contamination. Long-lived radionuclides in food: 90Sr and 137Cs in the Israel diet. Behaviour of mercury compounds in soils: accumulation and evaporation. Etude de quelques métaux lourds dans la chaine herbe - produits laitiers, au moyen de l'activation neutronique et de l'absorption atomique. The influence of resin coating on the tin levels in canned food. Kinetics of chromium absorption by intact rice plants. The fate of selenium added to agricultural crops. selenium content of some foodstuffs and environmental samples in an area of Italy rich in minerals. Metabolism of labelled thiram in barley and soil. Metabolism and accumulation of pesticides in rice plants. The fate of a urea herbicide in the soil and in plants. Metabolism of organophosphorus insecticides: XV. Translocation and degradation of 32P-malathion in bean and cotton plants. Migration et dégradation de l'aldicarbe dans différents types de sols. Bromine content of vegetables and its accumulation after soil fumigation with methyl bromide, using neutron activation analysis. Multi-element analysis. Multi-element characterization of atmospheric aerosols by neutron activation and direct y-ray analysis, and X-ray fluorescence analysis. Analytical techniques for determining levels and fates of trace elements in a fossil-fuelled steam plant. Realistic detection limits for neutron activation analysis of biological samples. Standard reference materials for the determination of trace elements in environmental samples. Quantitative analysis of fissile elements in water samples with a spark replica counter. Comparative metabolism and toxicology with special reference to possible joint action of contaminants. Problems of simultaneous exposure to two or more foreign compounds. Joint action on environmental chemical residues on drug metabolism and drug metabolizing enzyme systems. Studies of comparative metabolism using dieldrin analogues. Trace elements in human thyroid, with special reference to the observed accumulation of mercury following long-term exposure. Micropollutant interaction with yeast. Comparative aspects of radioactive and non-radioactive contamination. No-effect level and extrapolation as applied to pesticide residues and radioactive substances. Application of critical path analysis techniques to the assessment of environmental capacity and the control of environmental waste disposal. A distribution model for radioactive and other persistent pollutants in the environment and in the food chain. General discussion, comments and concluding remarks. General discussion. Food and environmental contamination: a scientific approach to the problems as a whole.