| 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 | | Leaded gasoline sludges and leaded anti- knock compound sludges | | Free | | 8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content |
| 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 | | | |
| 2620.30.00 | 50 | Gold content | Au g | | | |
| 2620.40.00 | | Containing mainly aluminum | | Free | | Free |
| 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: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
