环境工程专业英语Unit19的翻译.doc

Text:Everybody’s Problem—Hazardous Waste
每个人的问题——危险废物
Every year ,billions of tons of solid wastes are discarded in the United Stastes. 美国每年丢去10亿吨的固体废物。These wastes range in nature from common household trash to complex materials in industrial wastes ,sewage sludge ,agricultural resideus ,mining refuse and pathological wastes from institutions such as hospital and laboratories.
这些废物的变化范围在平常家庭产生的垃圾到工业废物的复合材料、污水、农业废渣、矿渣和像医院、实验室这种大型机构产生的病理废物。
The Environmental Protection Agency(EPA) estimated in 1980 that at least 57 million metric tons of the nation’s total waste load can be classified as hazardous. 1980年EPA估计一个国家负载的全部废物的至少5700 0000公吨会被列为危险废物。Unfortunately,many dangerous materials that society has “throw away” over recent decades have endured in the environment-making household words of “Love Canal”and”Valley of the Drums.” 不幸的是在最近几十年中社会持续扔掉了许多危险物，从而产生了“爱河”和“桶谷”的家用词。These two incidents are not EPA has on file hundreds of documented cases of damage to life and environment resulting from the indiscriminate or improper management of hazardous wastes. 这两起事件并不是唯一的，EPA有数百起对生命和环境造成损害的案例，他们都是由于不加区别地或不适当地处理有害废物所造成的。The vast majority of case involve pollution of ground water——the source of drinking water for about half of the . population—from improperly sited or operated landfills and surface impoundments (pits,ponds and lagoons). 大量的例子中包括了地面水的污染——大约半个美国人口的饮用水资源——从不合