难降解有机污染物Persistent organic pollutants 有机溶剂Organic solvents 有机卤化物Organohalogen compounds 医药废物Pharmaceutical wastes 塑料废物Plastic wastes 放射性物质Radioactive substances 氡Radon 橡胶废物Rubber waste 污水Sewage 固体废物Solid wastes 热污染Thermal pollution 有毒物质Toxic substances 有毒废物Toxic waste 痕量元素Trace elements 痕量物质Trace materials 交通噪音Traffic noise |