| 2617.10.00 | 00 | Antimony ores and concentrates | kg Sb kg | Free | | Free |
| 2617.90.00 | 30 | Beryllium ores and concentrates | kg | | | |
| 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: | | | | |
| 2620.19.60 | 10 | Copper content | Cu kg | | | |
| 2620.19.60 | 20 | Lead content | Pb kg | | | |
| 2620.19.60 | 30 | Zinc content | Zn kg | | | |
| 2620.19.60 | 40 | Silver content | Ag g | | | |
| 2620.19.60 | 50 | Gold content | Au g | | | |
| 2620.21.00 | | Containing mainly lead: | | | | |
| 2620.21.00 | 10 | Copper content | Cu kg | | | |
| 2620.21.00 | 20 | Lead content | Pb kg | | | |
| 2620.21.00 | 30 | Zinc content | Zn kg | | | |
| 2620.21.00 | 40 | Silver content | Ag g | | | |
| 2620.21.00 | 50 | Gold content | Au g | | | |
| 2620.29.00 | 10 | Copper content | Cu kg | | | |
| 2620.29.00 | 20 | Lead content | Pb kg | | | |
| 2620.29.00 | 30 | Zinc content | Zn kg | | | |
| 2620.29.00 | 40 | Silver content | Ag g | | | |
| 2620.29.00 | 50 | Gold content | Au g | | | |
| 2620.30.00 | | Containing mainly copper | | Free | | 8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content |
| 2620.30.00 | 10 | Copper content | Cu kg | | | |
| 2620.30.00 | 20 | Lead content | Pb kg | | | |
| 2620.30.00 | 30 | Zinc content | Zn kg | | | |
| 2620.30.00 | 40 | Silver content | Ag g | | | |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
