The study showed that the concentrations of these pollu-tants in leaf,rhizome, and fruit vegetables were in a from high to loworder.

• 调查出污染物在蔬菜中的含量依次为叶菜类＞根茎类＞瓜果类。按有关标准对蔬菜质量进行了卫生学评价。