tailieunhanh - HEALTH RISKS OF PERSISTENT ORGANIC POLLUTANTS FROM LONG-RANGE TRANSBOUNDARY AIR POLLUTION

In the majority of cases the most direct risk would currently be considered adverse effects to consumers of crops (humans and animals) by virtue of uptake by crops or contamination of crops. An important risk at heavily amended sites is that of groundwater pollution. Many countries in Europe rely heavily on groundwater for drinking water and irrigation water. Persistent contaminants in groundwater can eventually reach and potentially pollute surface waters. According to the European Commission, the quantity of water available per human being has dropped by 40% since 1970 and two out of five people living on the planet. | 1988 1993 HEALTH RISKS OF PERSISTENT ORGANIC POLLUTANTS FROM LONG-RANGE TRANSBOUNDARY AIR POLLUTION rein lipid jy the foiledilg f J tL J burden ir f I 11 miicil hảt-ĩi I f 5 X 3 body burdenla s D X 36 days lx 11 EUROPE Persistent organic pollutants POPs are organic compounds of anthropogenic origin that resist degradation and accumulate in the food-chain. They can be transported over long distances in the atmosphere resulting in widespread distribution across the earth including regions where they have never been used. Owing to their toxicity they can pose a threat to humans and the environment. This publication based on contributions from an international group of experts provides a concise review of the available evidence on the characteristics of 13 groups of POPs pentachlorophenol OH DDT hexachlorocyclohexanes hexachlorobenzene heptachlor polychlorinated dibenzo-p-dioxins and dibenzofurans polychlorinated biphenyls polycyclic aromatic hydrocarbons polychlorinated terphenyls polybrominated diphenylethers polybrominated dibenzo-p-dioxins and dibenzofurans short-chain chlorinated paraffins and ugilec . It reviews pathways of human exposure related to the long-range transport of the POPs through the atmosphere and the potential hazards associated with them. The review concludes with an expert assessment of the risks to health associated with exposure due to the long-range transport of each of the pollutants. It is intended that the assessment will serve to strengthen the commitment of the parties to the Convention on Long-range Transboundary Air Pollution to improve air quality in Europe and to prevent adverse effects of air pollution on human health. tfl nnes yeùr E78963 JOINT WHO CONVENTION TASK FORCE ON THE HEALTH ASPECTS OF AIR POLLUTION HEALTH RISKS OF PERSISTENT ORGANIC POLLUTANTS FROM LONG-RANGE TRANSBOUNDARY AIR .

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