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Table 1 Background values (mg kg−1) of heavy metals in Liaoning Province of China

From: Evaluating ecological risks and tracking potential factors influencing heavy metals in sediments in an urban river

Heavy metals

As

Cd

Cr

Cu

Hg

Ni

Pb

Zn

Background

8.80

0.16

57.66

24.57

0.05

25.60

22.15

59.84