Element

Original data (n = 40)

Russia

Germany

Netherlands

USA

Finland

min

max

median

[48]

[49]

V

10

150

30

150

-

-

-

100

Cr

6

105

30

90

100

250

1000

100

Mn

150

900

370

1500

-

-

-

-

Co

1.6

24

4

-

50

50

-

20

Ni

3

80

12

85

100

100

-

50

Zn

6

270

50

100

300

500

2500

200

As

3

36.8

7

2

50

30

30

5

Se

0.06

2.31

0.25

-

10

-

-

-

Mo

0.2

15.7

1.1

-

10

40

-

-

Sb

0.1

2.1

0.6

4.5

-

-

-

2

Ba

150

690

250

-

-

400

-

-