| 2615 | | Niobium (columbium), tantalum, vanadium or zirconium ores and concentrates: | | | | |
| 2615.90.30 | 00 | Synthetic tantalum-niobium (columbium) concentrates | kg | Free | | 30% |
| 2615.90.60 | 30 | Niobium (columbium) ores and concentrates | kg | | | |
| 2616.10.00 | 80 | Gold content | Au g | | | |
| 2616.90.00 | 40 | Gold content | Au g | | | |
| 2617.90.00 | 30 | Beryllium ores and concentrates | kg | | | |
| 2618.00.00 | 00 | Granulated slag (slag sand) from the manufacture or iron or steel | t | Free | | 10% |
| 2619.00 | | Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel: | | | | |
| 2620 | | Slag, ash and residues (other than from the manufacture of iron or steel), containing arsenic, metals or their compounds: | | | | |
| 2620.11.00 | 00 | Containing mainly zinc: | | | | |
| 2620.19.30 | 00 | Zinc dross and zinc skimmings | kg Zn kg | Free | | 3.3¡é/kg |
| 2620.19.60 | 50 | Gold content | Au g | | | |
| 2620.21.00 | | Containing mainly lead: | | | | |
| 2620.21.00 | | Leaded gasoline sludges and leaded anti- knock compound sludges | | Free | | 8.8¡é/kg on copper content + 3.3¡é/kg on lead content + 3.7¡é/kg on zinc content |
| 2620.21.00 | 50 | Gold content | Au g | | | |
| 2620.29.00 | 50 | Gold content | Au g | | | |
| 2620.30.00 | | Containing mainly copper | | Free | | 8.8¡é/kg on copper content + 3.3¡é/kg on lead content + 3.7¡é/kg on zinc content |
| 2620.30.00 | 50 | Gold content | Au g | | | |
| 2620.40.00 | | Containing mainly aluminum | | Free | | Free |
| 2620.40.00 | 30 | Vanadium bearing materials | kg V2O5 kg | | | |
| 2620.60 | | Containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metalsor for the manufacture of their chemical compounds: | | | | |
| 2620.91.00 | 00 | Containing antimony, beryllium, cadmium, chromium or their mixtures | kg | Free | | 30% |
| 2620.99.10 | 00 | Containing mainly vanadium | kg V2O5 kg | Free | | Free |
| 2620.99.20 | 00 | Containing mainly tungsten | kg W kg | 17.6¡é/kg on tungsten content + 3.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | $1.32/kg on tungsten content + 40% |
| 2620.99.30 | 00 | Materials not provided for elsewhere in this heading containing by weight over 10 percent nickel | kg Ni kg | Free | | Free |
