Nicotine

(µg/l)

Sample

No.

2.33

1

4.45

2

3.15

3

8.8

4

5.8

5

6.9

6

3.60

7

7.1

8

2.11

9

4.08

10

8.1

11

6.7

12

4.0

13

0.9

14

5.3

15

1.9

16

3.0

17

9.07

18

2.8

19

7

20

4.85

Average

2.45

SD