| 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 |  | Other |  | Free |  | 8.8¢/kg on  copper content +  3.3¢/kg on lead content +  3.7¢/kg on zinc content | 
| 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 |  | 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 | 
| 2620.40.00 | 30 | Vanadium bearing materials | kg V2O5 kg |  |  |  |