汽车材料中有毒重金属及其对环境的危害

介绍了4种有毒重金属(铅、水银、六价铬、镉)在汽车主要零部件中的使用情况；分析了报废汽车材料中这4种有毒重金属对人及环境造成的危害；探讨了国外在减少汽车材料中有毒重金属危害的相关对策。指出，研究减少汽车材料中有毒重金属使用量的方法和技术及制定相关法规是非常迫切的问题。

Toxic Heavy Metals in Automotive Materials and Their Harm to Environment

Application of four toxic heavy metals(plumbum,mercury,hexavalent chrome,cadmium)in automotive components are introduced;harm of the four toxic heavy metals in out-of-service automotive components to human and environment is analyzed;the relative measures to reduce harm of toxic heavy metals in automotive materials in other countries are discussed.It is pointed out that researches on measures and technology to reduce contents of toxic heavy metals in automotive materials and establishing relative regulations are very urgent.