Toxic Metal

MeanConc. (mg/L)

CDI

RfD

HQ

Safety

SF

CR

As

−0.0021

1.29 × 10−05

0.0005

0.0257

Safe

1.5

1.93 × 10−05

Cd

−0.4918

−3.00 × 10−05

0.001

−0.03

Safe

15

−4.50 × 10−04

Cr

0.0014

−7.03 × 10−03

0.0003

−23.419

Safe

0.5

−3.51 × 10−03

Cu

−0.0002

2.00 × 10−05

0.04

0.0005

Safe

-

Hg

0.0282

−1.25 × 10−02

0.0005

−25.0057

Safe

-

Ni

0.1986

4.03 × 10−04

0.02

0.020143

Safe

0.91

3.67 × 10−04

Pb

0.0011

2.84 × 10−03

0.004

0.709286

Safe

-

Zn

−0.0021

3.01 × 10−04

0.3

0.001005

Safe

-