2620: Ash & residues (o/t from mfg of i/s), cntg metals of metallic compoun

262011: Ash and residues containing hard zinc spelter 262019: Ash and residues containing mainly zinc nes 262020: Ash and residues containing mainly lead 262030: Ash and residues containing mainly copper 262040: Ash and residues containing mainly aluminium 262050: Ash and residues containing mainly vanadium 262090: Ash and residues containing metals or metallic compounds nes 2620: Ash & residues (o/t from mfg of i/s), cntg metals of metallic compoun