Site

Sulphate (as SO₄)

Phosphate (as PO₄)

Silicate (SiO₂)

Calcium (Ca)

Magnesium (Mg)

Potassium (K)

Aluminium (Al)

A

0.3

<0.1

20.3

0.36

0.05

1.63

14.1

B

0.2

0.1

20.9

2.15

0.12

2.68

19.6