| 2524.90.00 | 40 | Milled fibers, group 3 grades (spinning fibers or equivalent) | t | | | |
| 2524.90.00 | 45 | Milled fibers, group 4 and 5 grades | t | | | |
| 2603.00.00 | 20 | Lead content | Pb kg | | | |
| 2606.00.00 | 30 | Refractory grade | t | | | |
| 2607.00.00 | | Lead ores and concentrates | | 1.1¢/kg on lead content | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 8.8¢/kg on copper content + 3.3¢/kg on lead content + 3.7¢/kg on zinc content |
| 2607.00.00 | 20 | Lead content | Pb kg | | | |
| 2608.00.00 | 20 | Lead content | Pb kg | | | |
| 2615 | | Niobium (columbium), tantalum, vanadium or zirconium ores and concentrates: | | | | |
| 2615.90.60 | 90 | Vanadium ores and concentrates | kg V2O5 kg | | | |
| 2616.10.00 | 20 | Lead content | Pb kg | | | |
| 2616.90.00 | 20 | Lead content | Pb kg | | | |
| 2620.19.60 | 20 | Lead content | Pb kg | | | |
| 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 | 20 | Lead content | Pb kg | | | |
| 2620.29.00 | 20 | Lead content | Pb kg | | | |
| 2620.30.00 | 20 | Lead content | Pb kg | | | |
| 2620.40.00 | 30 | Vanadium bearing materials | kg V2O5 kg | | | |
| 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 |
| 2620.99.30 | 00 | Materials not provided for elsewhere in this heading containing by weight over 10 percent nickel | kg Ni kg | Free | | Free |
| 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 |
| 2620.99.75 | 20 | Vanadium bearing materials | kg V2O5 kg | | | |
| 2710.11.15 | 10 | Leaded | bbl | | | |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
