Slag, ash and residues; (not from the manufacture of iron or steel), containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metals or for the manufacture of their chemical compounds

Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly zinc, hard zinc spelter

Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly zinc, other than hard zinc spelter

Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly lead; leaded gasoline sludges and leaded anti-knock compound sludges

Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly lead; excluding leaded gasoline sludges and leaded anti-knock compound sludges

Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly copper

Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly aluminium

Slag, ash and residues; (not from the manufacture of iron or steel), containing antimony, beryllium, cadmium, chromium or their mixtures

Slag, ash and residues; (not from the manufacture of iron or steel), containing mainly metals or their compounds, n.e.c. in heading no. 2620