Nicotine

(µg/l)

Smoking

Period (Year)

Sample

No.

Nicotine

(µg/l)

Smoking

Period (Year)

Sample

No.

Nicotine

(µg/l)

Smoking

Period (Year)

Sample

No.

52

30

42

18

2

20

12.5

Few months

1

32.1

11

43

19.8

6

21

11

1

2

19

8

44

29.5

12

22

16

2

3

25

7

45

33.9

13

23

33.5

8

4

33

12

46

36

10

24

28.8

4

5

28.9

8

47

30.3

11

25

20

6

6

17

4

48

34.9

18

26

22

4

7

27

3

49

46

18

27

28

4

8

44.6

7

50

30

9

28

30

1

9

52

30

42

37.0

16

29

29.6

9

10

32.1

11

43

42

28

30

29

6

11

19

8

44

38

12

31

19

6

12

25

7

45

40.9

18

32

38

8

13

33

12

46

43.6

23

33

34.9

10

14

28.9

8

47

40.7

32

34

30

9

15

17

4

48

21

4

35

33

9

16

27

3

49

37

13

36

28.2

12

17

44.6

7

50

38

20

37

29.4

8

18

20

10

38

29

7

19