Accumulation and Potential Risk of Heavy Metals in Roadside Soils Along the Section of Zhengzhou-Shangqiu,Lianyungang-Huoerguosi Highway
连霍高速郑商段路旁土壤重金属积累及潜在风险

Two typical sampling transects along the Zhengzhou-Shangqiu section,Lianyungang-Huoerguosi highway,were chosen to investigate the accumulation of heavy metals in roadside soils.The highway section at Wanliu transect has been operated since 1994,and that at Xiaowangzhuang section since 2001.Soil samples were collected along the two transects according to the distances from the highway.In laboratory,the concentrations of Cd,Cu,Pb,Zn,Ni and Cr in the soils were measured using AAS.The accumulation of these meta...