Element

Concentration per Kg of Fly ash (mg/kg)

Chromium (Cr)

87 - 103

Manganese (Mn)

47 - 139

Lead (Pb)

20 - 56

Zinc (Zn)

60 - 124

Copper (Cu)

56 - 83

Nickel (Ni)

28 - 63

Cobalt (Co)

8 - 18