27 | Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of waste urban |
2704 | Peat (including peat litter), whether or not agglomerated |
270400 | Coke and semi-coke of coal, lignite or of peat, whether or not agglomerated; retort carbon |
27040011 | Coke and semi-coke of coal, lignite or of peat, whether or not agglomerated; retort carbon |