| 2523.10.00 | 00 | Cement clinkers | t | Free | | $1.32/t, including weight of container |
| 2523.90.00 | 00 | Other hydraulic cements | t | Free | | $1.32/t, including weight of container |
| 2524.10.00 | 00 | Crocidolite (Blue) | t | Free | | Free |
| 2525 | | Mica, including splittings; mica waste: | | | | |
| 2525.10.00 | | Crude mica and mica rifted into sheets or splittings | | Free | | Free |
| 2525.10.00 | 10 | Split block mica | kg | | | |
| 2525.10.00 | 20 | Mica splittings | kg | | | |
| 2529 | | Feldspar; leucite, nepheline and nepheline syenite; fluorspar: | | | | |
| 2529.30.00 | | Leucite; nepheline and nepheline syenite | | Free | | Free |
| 2529.30.00 | 10 | Nepheline syenite | t | | | |
| 2530.10.00 | 00 | Vermiculite, perlite and chlorites, unexpanded | kg | Free | | Free |
| 2530.90.10 | 00 | Natural cryolite; natural chiolite | t | Free | | Free |
| 2617.90.00 | 30 | Beryllium ores and concentrates | kg | | | |
| 2619.00 | | Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel: | | | | |
| 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 |
| 2620.60 | | Containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metalsor for the manufacture of their chemical compounds: | | | | |
| 2620.91.00 | 00 | Containing antimony, beryllium, cadmium, chromium or their mixtures | kg | Free | | 30% |
| 2701 | | Coal; briquettes, ovoids and similar solid fuels manufactured from coal: | | | | |
| 2701.20.00 | 00 | Briquettes, ovoids and similar solid fuels manufactured from coal | t | Free | | Free |
| 2702 | | Lignite, whether or not agglomerated, excluding jet: | | | | |
| 2702.10.00 | 00 | Lignite, whether or not pulverized, but not agglomerated | t | Free | | Free |
| 2702.20.00 | 00 | Agglomerated lignite | t | Free | | Free |
| 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 |
| 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 |
Harmonized Tariff Schedule of the United States inquiry: gaming
