… Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or …
Explanatory notes
… 26.20 ‑ Slag, a sh and residues (other than from the manufacture of iron or steel) containing metals, arsenic, or … mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metals or for the manufacture … from the treatment of ores or intermediate metallurgical products (such as mattes) or from electrolytic, chemical or …