Sample

Pb

Cu

Cd

Zn

Co

Cr

As

Mn

Ni

Fe

St-1

1

0

1

0

0

0

2

0

0

0

St-2

1

0

1

0

0

0

2

0

0

0

St-3

1

0

1

0

0

0

2

0

0

0

St-4

1

0

1

0

0

0

2

0

0

0

St-5

1

0

1

0

0

0

2

0

0

0

St-6

1

0

1

0

0

0

2

0

0

0

St-7

1

0

1

0

0

0

2

0

0

0

St-8

1

0

1

0

0

0

2

0

0

0

St-9

1

0

1

0

0

0

2

0

0

0

Mean

1

0

1

0

0

0

2

0

0

0