| 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 | | | |
| 2620.99.30 | 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 | | | |
| 2621 | | Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste: | | | | |
| 2703.00.00 | 00 | Peat (including peat litter), whether or not agglomerated | t | Free | | Free |
| 2704.00.00 | | Coke and semicoke of coal, of lignite or of peat, whether or not agglomerated; retort carbon | | Free | | Free |
| 2704.00.00 | 11 | Coke larger than 100 mm (4 inches) in maximum diameter and at least 50 percent of which is retained on a 100-mm (4-inch) sieve after drop shatter testing pursuant to ASTM D 3038, of a kind used in foundries | t | | | |
| 2706.00.00 | 00 | Tar distilled from coal, from lignite or from peat, and other mineral tars, whether or not dehydrated or partially distilled, including reconstituted tars | liters | Free | | Free |
| 2710.11.15 | 10 | Leaded | bbl | | | |
| 2710.11.15 | 14 | Unleaded: | | | | |
| 2710.19.05 | 25 | Having a Saybolt Universal viscosity at 37.8 degrees C of more than 125 seconds (heavy fuel oils): | | | | |
| 2710.19.10 | 50 | Having a Saybolt Universal viscosity at 37.8 degrees C of more than 125 seconds (heavy fuel oils) | bbl | | | |
| 2710.19.30 | | Lubricating oils and greases, with or without additives: | | | | |
| 2710.19.30 | 40 | Automotive gear oils | bbl | | | |
| 2710.19.30 | 50 | Steam cylinder oils | bbl | | | |
