Table 4: Target Hazard Quotient (THQ) and Hazard Index (HI) for adult and children.

 

HM

THQing

THQinh

THQDerm

HI = ∑HQ

Comment

Adult

As

5.73 × 10-3

2.06 × 10-6

1.68 × 10-3

7.41 × 10-3

NSR

Cd

2.46 × 10-3

3.18 × 10-7

9.84 × 10-4

3.44 × 10-3

NSR

Zn

6.23 × 10-4

7.8 × 10-10

1.24 × 10-1

1.25 × 10-1

NSR

Mn

2.36 × 10-1

3.48 × 10-5

7.30 × 10-2

3.09 × 10-1

NSR

Cu

8.68×10-4

1.28 × 10-7

1.16 × 10-3

2.03 × 10-3

NSR

Co

3.26 ×10-4

1.68 × 10-4

4.56 × 10-1

4.56 × 10-1

NSR

Cr

9.53 × 10-3

1.47 × 10-4

3.8 × 10-3

1.35 × 10-2

NSR

Ni

5.7 × 10-4

8.16 × 10-7

8.4 × 10-4

1.41 × 10-3

NSR

Pb

9.43 × 10-3

5.51 × 10-7

1.01 × 10-2

1.95 × 10-2

NSR

Children

As

1.02 × 10-2

6.98 × 10-7

2.10 × 10-3

1.23 × 10-2

NSR

Cd

4.4 × 10-2

1.08 × 10-7

1.23 × 10-5

4.40 × 10-2

NSR

Zn

4.46 × 10-3

1.24 × 10-7

6.23 × 10-3

1.07 × 10-2

NSR

Mn

1.69

4.72 × 10-5

3.68 × 10-3

1.69

SR

Cu

6.2 × 10-3

1.73 × 10-7

5.79 × 10-5

6.26 × 10-3

NSR

Co

2.33 × 10-3

2.28 × 10-4

2.28 × 10-2

2.54 × 10-2

NSR

Cr

1.7 × 10-2

5.0 × 10-5

4.77 × 10-5

1.71 × 10-2

NSR

Ni

1.02 × 10-3

2.77 × 10-8

1.06 × 10-5

1.03 × 10-3

NSR

Pb

1.69 × 10-2

1.87 × 10-7

1.26 × 10-4

1.7 × 10-2

NSR

NSR: No Significant Risk; SR: Significant Risk