S. No

Age (year)

Zn, T-II mg/L (±SD)

Age (year)

Zn, T-III mg/L (±SD)

Age (year)

Zn, T-IV mg/L (±SD)

Required (mg/L)

1

29

0.75 ± 0.027

25

0.66 ± 0.027

28

0.29 ± 0.011

2

36

0.49 ± 0.020

29

0.58 ± 0.017

37

0.26 ± 0.013

3

34

0.51 ± 0.012

31

0.50 ± 0.017

41

0.22 ± 0.010

4

36

0.50 ± 0.035

34

0.45 ± 0.014

44

0.16 ± 0.014

5

36

0.61 ± 0.028

35

0.65 ± 0.021

45

0.19 ± 0.015

6

38

0.58 ± 0.041

38

0.57 ± 0.016

48

0.31 ± 0.006

7

39

0.68 ± 0.026

40

0.58 ± 0.013

51

0.39 ± 0.005

8

39

0.70 ± 0.017

41

0.63 ± 0.020

53

0.35 ± 0.008

0.5 - 1.9

9

41

0.59 ± 0.027

44

0.52 ± 0.039

54

0.25 ± 0.004

10

41

0.66 ± 0.031

45

0.55 ± 0.022

60

0.38 ± 0.010

11

44

0.69 ± 0.014

48

0.60 ± 0.017

64

0.15 ± 0.021

12

47

0.49 ± 0.017

53

0.66 ± 0.019

65

0.22 ± 0.048

13

52

0.57 ± 0.019

56

0.56 ± 0.030

69

0.28 ± 0.006

14

56

0.62 ± 0.044

56

0.59 ± 0.019

70

0.18 ± 0.003

15

61

0.51 ± 0.032

65

0.51 ± 0.024

73

0.15 ± 0.012