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… Organic Pollutants from Long-Range Transboundary Air Pollution. Relevant guidelines and reference documents … and chronic toxicity thresholds, respectively. In marine sediments, chemical X was found more frequently in … long persistence in sediment, chemical X concentrations in marine sediments are expected to exceed chronic toxicity …

… and development of terrestrial, fresh water, coastal and marine ecosystems and communities of plants and animals; … of pesticides and fertilizers, major public works, mining, pollution, logging, firewood collection, etc. Human …