Table 2 Health risk assessment for the As and Pb levels in drinking water.

From: Human biomarkers associated with low concentrations of arsenic (As) and lead (Pb) in groundwater in agricultural areas of Thailand

Groundwater for consumption

Tap water for consumption

Station

As-Cancer risk

As-HQ

Pb-HQ

HI

Station

As-Cancer risk

As-HQ

Pb-HQ

Well 3

4.24E−11

 < 0.01

1.13

1.13

Well 1

6.64E−08

0.12

 < 0.01

Well 4

7.81E−13

 < 0.01

0.14

0.14

Well 2

4.75E−08

0.05

 < 0.01

Well 7

1.03E−09

 < 0.01

1.40

1.40

Well 4

7.75E−16

0.01

 < 0.01

Well 8

4.39E−09

 < 0.01

1.53

1.54

well 5

9.24E−16

0.01

 < 0.01

Well 9

9.08E−09

0.01

10.12

10.13

Well 6

1.18E−07

0.15

 < 0.01

Well11

4.53E−10

 < 0.01

 < 0.01

 < 0.01

Well 9

5.70E−16

 < 0.01

 < 0.01

Well 12

0.00E + 00

 < 0.01

2.33

2.33

Well 10

2.56E−10

 < 0.01

 < 0.01

Well 13

1.29E−06

1.71

 < 0.01

1.71

Well 11

1.46E−15

 < 0.01

 < 0.01

Well 14

9.91E−07

1.25

 < 0.01

1.25

Well 17

5.20E−09

 < 0.01

 < 0.01

Well 15

4.19E−09

 < 0.01

 < 0.01

 < 0.01

Well 18

5.64E−16

 < 0.01

 < 0.01

Well16

0.00E + 00

 < 0.01

0.03

0.03

Well 19

7.79E−08

0.07

 < 0.01

Well 18

4.73E−08

0.07

 < 0.01

0.07

Well 20

1.09E−15

 < 0.01

 < 0.01

Well 19

1.90E−09

 < 0.01

5.02

5.02

Well 21

3.61E−08

0.02

 < 0.01

Well 20

0.00E + 00

 < 0.01

1.33

1.33

Well 22

2.78E−16

 < 0.01

 < 0.01

Well 21

0.00E + 00

 < 0.01

 < 0.01

 < 0.01

Well 23

1.30E−08

0.04

 < 0.01

Well 22

0.00E + 00

 < 0.01

 < 0.01

 < 0.01

    

Well 23

7.36E−08

0.08

 < 0.01

0.08

    

Well 24

4.27E−06

4.92

 < 0.01

4.92

    

Avg.

± SD

5.30E−07

± 1.42E−06

0.63 ± 1.53

1.41

± 2.93

1.73 ± 2.61

 

0.04

± 0.06

 < 0.01 ±  < 0.01

 < 0.01 ±  < 0.01

Min

0.00

 < 0.01

 < 0.01

 < 0.01

 

 < 0.01

 < 0.01

 < 0.01

Max

7.71E−06

8.26

16.32

10.126

 

0.26

 < 0.01

 < 0.01