Table 2 RfD and CSF values used in this study39,42.

From: Toxic and heavy metals contamination assessment in soil and water to evaluate human health risk

Metal

RfDing

RfDinh

RfDderm

CSFing

CSFinh

CSFderm

Cr

3 × 10−3

2.86 × 10−5

6 × 10−5

0.5

41.0

Mn

140 × 10−3

140 × 10−3

1.8 × 10−3

Cu

4 × 10−2

4.02 × 10−2

1.2 × 10−2

As

3 × 10−4

3 × 10−4

1.23 × 10−4

1.5

1.5

1.5

Cd

1 × 10−4

1 × 10−4

1 × 10−5

0.38

6.3

Ba

7 × 10−2

1.43 × 10−4

4.9 × 10−3

Pb

3.5 × 10−3

3.25 × 10−3

5.25 × 10−4

0.0085

0.042

Hg

3 × 10−4

3 × 10−4

2.1 × 10−5