Table 6: Hazard Quotient (HQ) associated with heavy metals in the study area.

Age group

Matrix

Ingestion

1-150 m

151-300 m

Pb

Cd

Cr

Ni

Cu

Fe

Zn

Pb

Cd

Cr

Ni

Cu

Fe

Zn

Children

Water

9.39E -1

2.63 E +0

8.72 E -4

9.86 E-2

8.22 E-2

5.64 E-3

1.75 E-2

5.64 E-1

1.32E+00

ND

6.58 E-2

3.29 E-2

2.82 E-3

1.97 E-2

Soil

2.48 E+3

5.65 E+3

3.24 E+ 0

1.91 E+2

2.93 E+2

1.47 E+1

4.60 E+1

2.29 E+3

4.21E+03

1.93 E+0

1.05 E+2

1.78 E+2

1.32 E+1

5.08 E+1

Adult

Water

4.03 E-1

1.13 E+0

3.76 E-4

4.23 E-2

3.52 E-2

2.42 E-3

7.51 E-3

2.42 E-1

5.64 E-1

ND

2.82 E-2

1.41 E-2

1.21 E-3

8.45 E-3

Soil

2.66 E+2

6.06 E+2

3.48 E-1

2.04 E+1

3.14 E+1

1.57 E+0

4.93 E+0

2.46 E+2

4.51 E+2

2.07 E-1

1.12 E+1

1.90 E+1

1.41 E+0

5.45 E+0

Age group

Matrix

Dermal

1-150 m

151-300 m

Pb

Cd

Cr

Ni

Cu

Fe

Zn

Pb

Cd

Cr

Ni

Cu

Fe

Zn

Children

Water

1.04 E+2

4.39 E+1

7.32 E+0

1.65 E +0

1.37 E+0

9.41 E-2

2.93 E-1

6.21 E+1

2.19 E+1

ND

1.10 E+0

5.49 E-1

4.70 E-2

3.29 E-1

Soil

4.59 E +1

5.28 E+0

4.54 E+0

5.34 E-1

8.19 E-1

4.10 E-2

1.29 E-1

4.24 E+1

1.18 E+1

2.70 E+0

2.95 E-1

4.97 E-1

3.68 E-2

1.42 E-1

Adult

Water

1.39 E+2

5.88 E+1

9.80 E+0

2.20 E+0

1.84 E+0

1.26 E-1

3.92 E-1

8.32 E+1

2.94 E+1

ND

1.47 E+0

7.35 E-1

6.30 E-2

4.41 E-1

Soil

2.15 E+1

7.42 E+0

2.13 E+0

2.50 E-1

3.84 E-1

1.92 E-2

6.04 E-2

1.99 E+1

5.52 E+0

1.27 E+0

1.38 E-1

2.33 E-1

1.73 E-2

6.67 E-2

Age group

Matrix

Inhalation

1-150 m

151-300 m

Pb

Cd

Cr

Ni

Cu

Fe

Zn

Pb

Cd

Cr

Ni

Cu

Fe

Zn

Children

Soil

8.07 E-8

3.23 E-6

5.28 E-6

4.96 E-9

8.46 E-9

4.17 E-10

1.28 E-9

7.50 E-14

2.40 E-6

3.14 E-6

2.74 E-9

5.14 E-9

3.75 E-10

1.42 E-9

Adult

Soil

5.94 E-8

2.38 E-6

3.33 E-6

3.65 E-9

6.23 E-9

3.07 E-10

9.45 E-10

5.49 E-8

2.38 E-6

2.31 E-6

2.02 E-9

3.78 E-9

2.76 E-10

1.04 E-9