Table 3 RfD and SF of heavy metals for different exposure routes29,30.

From: Contamination and health risk assessment of heavy metals in soil surrounding an electroplating factory in JiaXing, China

Heavymetal

RfD mouth/

RfD breath/

RfD skin/

SF/

 

[mg/(kg d)]

[mg/(kg d)]

[mg/(kg d)]

[(kg d)/mg]

Cd

1 × 10–2

1 × 10–3

1 × 10–5

3.8 × 10–1

Ni

2 × 10–2

2.06 × 10–2

5.4 × 10–3

8.4 × 10–1

As

3 × 10–4

3.83 × 10–6

3 × 10–4

1.5 × 100

Zn

3 × 10–1

0

3 × 10–1

 
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