| 2709.00.20 | 10 | Condensate derived wholly from natural gas | bbl | | | |
| 2711.11.00 | 00 | Natural gas | thousand m3 | Free | | Free |
| 2711.21.00 | 00 | Natural gas | thousand m3 | Free | | Free |
| 2714 | | Bitumen and asphalt, natural; bituminous or oil shale and tar sands; asphaltites and asphaltic rocks: | | | | |
| 2715.00.00 | 00 | Bituminous mixtures based on natural asphalt, on natural bitumen, on petroleum bitumen, on mineral tar or on mineral tar pitch (for example, bituminous mastics, cut-backs) | t | Free | | Free |
| 2844.10 | | Natural uranium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing natural uranium or natural uranium compounds: | | | | |
| 2901.10.40 | 00 | Derived in whole or in part from petroleum, shale oil or natural gas | kg | Free | | 25% |
| 2901.29.10 | | Derived in whole or in part from petroleum, shale oil or natural gas | | Free | | 25% |
| 2905.11.10 | 00 | Imported only for use in producing synthetic natural gas (SNG) or for direct use as a fuel | liters | Free | | 4.8¢/liter |
| 2914.21.10 | 00 | Natural | kg | Free | | 11¢/kg |
| 2936 | | Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent: | | | | |
| 2936.90.01 | | Other, including proviatmins and natural concentrates | | Free | | 25% |
| 2937 | | Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones: | | | | |
| 2938 | | XII. GLYCOSIDES AND VEGETABLE ALKALOIDS, NATURAL OR REPRODUCED BY SYNTHESIS, AND THEIR SALTS, ETHERS, ESTERS AND OTHER DERIVATIVES | | | | |
| 2938 | | Glycosides, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives: | | | | |
| 2939 | | Vegetable alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives: | | | | |
| 2941.90.10 | | Natural | | Free | | 10% |
| 3003.39.10 | 00 | Artificial mixtures of natural hormones | g | Free | | 25% |
| 3202 | | Synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre-tanning: | | | | |
| 3208 | | Paints and varnishes (including enamels and lacquers) based on synthetic polymers or chemically modified natural polymers, dispersed or dissolved in a nonaqueous medium; solutions as defined in note 4 to this chapter: | | | | |
| 3209 | | Paints and varnishes (including enamels and lacquers) based on synthetic polymers or chemically modified natural polymers, dispersed or dissolved in an aqueous medium: | | | | |
| 3605.00.00 | 30 | Matches with natural wood stems | Gr. con- tainers | | | |
| 3802 | | Activated carbon; activated natural mineral products; animal black, including spent animal black: | | | | |
| 3824 | | Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included: | | | | |
| 3824.90.21 | 00 | Consisting wholly of substances found naturally in coal tar, whether obtained from coal tar or other source | kg | Free | | Free |
Harmonized Tariff Schedule of the United States inquiry: ɡ
