一、国外儿童期铅接触的特点国外特别是欧美及澳大利亚等国的环境铅污染来源之一是工业排放。但居住环境的生活性铅污染是儿童期铅接触的主要原因。50年代以前,含铅油漆在欧美及澳大利亚一度被广泛应用于房屋建筑与装修。日久后铅漆不断风化剥落,造成了住宅周围及室内的严重铅污染。单在美国,这种住宅有四千二百万所之多。低收入阶层居民长期居住在内,儿童的铅接触成 First, the characteristics of foreign childhood lead exposure Foreign countries, especially Europe and the United States and Australia, one of the sources of environmental pollution caused by industrial emissions. However, living lead pollution in living environment is the main reason for childhood lead exposure. Before the 1950s, lead paint was once widely used in housing construction and decoration in Europe, the United States and Australia. After a long time, the lead paint continuously weathered and peeled off, causing serious lead pollution around and inside houses. In the United States alone, there are as many as 42 million homes. Long-term residents living in low-income groups, lead into contact with children