| 2616.90.00 | 50 | Other precious metal content | g | | | |
| 2616.90.00 | 30 | Zinc content | Zn kg | | | |
| 2616.90.00 | 40 | Gold content | Au g | | | |
| 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 | 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 | 40 | Silver content | Ag g | | | |
| 2620.29.00 | 50 | Gold content | Au g | | | |
| 2620.29.00 | 20 | Lead content | Pb kg | | | |
| 2620.29.00 | 30 | Zinc content | Zn kg | | | |
| 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 | | | |
| 2620.30.00 | 50 | Gold content | Au g | | | |
| 2620.99.50 | 00 | Slag containing by weight over 40 percent titanium, and which if containing over 2 percent by weight of copper, lead, or zinc is not to be treated for the recovery thereof | kg | Free | | Free |
| 2620.99.75 | | Other materials which are residues not advanced in value or condition by any means, and which if containing over 2 percent by weight of copper, lead or zinc are not to be treated for the recovery thereof | | Free | | Free |
