Survey and Evaluation of Heavy Metal Elements Pollution of Changchun Suburb Land

It is reported that two villages and 21 samples in the suburbs of Changchun. We have made a survey and evaluate to the soil pollution of heavy metal elements(Cu, Zn, Cr, Co, Pb, Ni, As, Se, Hg, Cd) . It is show that land of Changchun suburban are not affected by pollution of heavy metal elements, and heavy metal elements includ Zn > Cr > Ni > Cu > Pb > As > Se > Cd > Hg.