| 2711.14.00 | | Ethylene, propylene, butylene and butadiene | | Free | | Free |
| 2711.14.00 | 10 | Ethylene | kg | | | |
| 2711.14.00 | 30 | Butylene | kg | | | |
| 2711.14.00 | 40 | Butadiene | kg | | | |
| 2711.19.00 | | Other | | Free | | Free |
| 2711.19.00 | 10 | Ethane | bbl | | | |
| 2711.19.00 | 20 | Other | kg liters | | | |
| 2711.21.00 | 00 | In gaseous state: | | | | |
| 2711.21.00 | 00 | Natural gas | thousand m3 | Free | | Free |
| 2711.29.00 | | Other | | Free | | Free |
| 2711.29.00 | 10 | Propane with a minimum purity of 90 liquid volume percent | bbl | | | |
| 2711.29.00 | 15 | Other | bbl | | | |
| 2711.29.00 | 20 | Butanes: | | | | |
| 2711.29.00 | 20 | Butanes with a purity of 90 liquid volume percent or more, but less than 95 liquid volume percent | bbl | | | |
| 2711.29.00 | 25 | Other | bbl | | | |
| 2711.29.00 | 60 | Other | bbl | | | |
| 2712 | | Petroleum jelly; paraffin wax, microcrystalline petroleum wax, slack wax, ozokerite, lignite wax, peat wax, other mineral waxes and similar products obtained by synthesis or by other processes, whether or not colored: | | | | |
| 2712.10.00 | 00 | Petroleum jelly...................................... k | g | Free | | Free |
| 2712.20.00 | 00 | Paraffin wax containing by weight less than 0.75 percent of oil | kg | Free | | 2.2¢/kg |
| 2712.90 | | Other: | | | | |
| 2712.90.10 | 00 | Montan wax | kg | Free | | Free |
| 2712.90.20 | 00 | Other | kg | Free | | 2.2¢/kg |
| 2713 | | Petroleum coke, petroleum bitumen and other residues of petroleum oils or of oils obtained from bituminous minerals: | | | | |
| 2713.11.00 | 00 | Petroleum coke: | | | | |
| 2713.11.00 | 00 | Not calcined | t | Free | | Free |
Harmonized Tariff Schedule of the United States inquiry: 534
