Explanatory notes
… and (b) Slag, ash and residues containing arsenic, whether or not containing metals, of a kind used either for the extraction of arsenic or metals or for the manufacture of their chemical … and iron oxide. 2.- Slag, ash and residues containing arsenic, mercury, thallium or their mixtures, of a kind used …Legal note
… and (b) Slag, ash and residues containing arsenic, whether or not containing metals, of a kind used either for the extraction of arsenic or metals or for the manufacture of their chemical … and iron oxide. 2.- Slag, ash and residues containing arsenic, mercury, thallium or their mixtures, of a kind used …