Explanatory notes
… 2620.60 - Containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or … Containing antimony, beryllium, cadmium, chromium or their mixtures 2620.99 - - Other This heading covers slag, ash and … containing antimony, beryllium, cadmium, chromium or their mixtures. These are generally in the form of wastes arising …