沈阳市道路绿化带土壤污染现状调查分析

选择沈阳市内不同道路绿化带土壤进行现状调查与分析,分别在5个区域,各布设3个采样点,分析测定土壤中的p H,阳离子交换量,汞、砷、铅、镉等元素以及DDT、六六六有机项目的含量。结果表明,总体上北部地区镉、汞、铅、DDT、六六六含量都较低,而南部地区含量则较高;各种元素中铅浓度相对较高。

The status investigation of soil pollution of different road greenbehs in Shenyang city was conducted. Three sampling points were set up in five regions of the city respectively for testing the soil pH, cation exchange capacity, the contents of mercury, arsenic, lead, cadmium, DDT and BHC. The results show that the contents of cadmium, mercury, lead, DDT, and BHC in the northern part were lower while the contents in the southern part were higher; the concentrations of lead in all kinds of elements were relatively higher.