Table 1 The concentration of heavy metals in vegetables from Zhejiang province (mg/kg, fresh weight).

From: Levels and potential health risk of heavy metals in marketed vegetables in Zhejiang, China

Element

n

Mean a

P97.5 a

Range

MAC b

No. of > MAC

As

1115

0.013

0.060

<LOD–0.331

0.7

0

Cd

1196

0.017

0.081

<LOD–0.340

0.2

3

Cr

769

0.057

0.250

<LOD–0.463

0.5

0

Hg

999

0.0020

0.0081

<LOD–0.0159

0.02

0

Ni

768

0.094

0.410

<LOD–1.900

–

–

Pb

1155

0.034

0.170

<LOD–0.661

0.2

18

  1. aTarget analytes with concentrations lower than LOD were treated as one-half of LOD when calculating the mean values.
  2. bMAC, the maximum allowable concentration set by Chinese government.
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