| 2520.10.00 | 00 | Gypsum; anhydrite | t | Free | | Free |
| 2522 | | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825: | | | | |
| 2522.30.00 | 00 | Hydraulic lime | kg | Free | | 0.2¢/kg, including weight of container |
| 2523 | | Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers: | | | | |
| 2523.90.00 | 00 | Other hydraulic cements | t | Free | | $1.32/t, including weight of container |
| 2705.00.00 | 00 | Coal gas, water gas, producer gas and similar gases, other than petroleum gases and other gaseous hydrocarbons | thousand m3 kg | 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 |
| 2707.50.00 | 00 | Other aromatic hydrocarbon mixtures of which 65 percent or more by volume (including losses) distills at 250 degrees C by the ASTM D 86 method | kg liters | Free | | Free |
| 2707.99.51 | 00 | Containing more than 50 percent by weight of hydroxybenzene | kg | 2.9¢/kg + 12.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P) 1¢/kg + 4.6% (SG) | 7.7¢/kg + 29.5% |
| 2710.11.45 | | Mixtures of hydrocarbons not elsewhere specified or included, which contain by weight not over 50 percent of any single hydrocarbon compound | | 10.5¢/bbl | Free (A+,AU,BH, CA,CL,D,IL,J+,JO, MA,MX,P,R,SG) | 21¢/bbl |
| 2710.19.45 | | Mixtures of hydrocarbons not elsewhere specified or included, which contain by weight not over 50 percent of any single hydrocarbon compound | | 10.5¢/bbl | Free (A+,AU,BH, CA,CL,D,IL,J+,JO, MA,MX,P, R,SG) | 21¢/bbl |
| 2710.99.45 | 00 | Mixtures of hydrocarbons not elsewhere specified or included, which contain not over 50 percent of any single hydrocarbon compound | bbl | 10.5¢/bbl | Free (A+,AU,BH, CA,CL,D,IL,J+,JO, MA,MX,P, R,SG) | 21¢/bbl |
| 2711 | | Petroleum gases and other gaseous hydrocarbons: | | | | |
| 2711.14.00 | | Ethylene, propylene, butylene and butadiene | | Free | | Free |
| 2711.14.00 | 10 | Ethylene | kg | | | |
| 2804 | | Hydrogen, rare gases and other nonmetals: | | | | |
| 2804.10.00 | 00 | Hydrogen | thousand m3 | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2806 | | Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid: | | | | |
| 2806.10.00 | 00 | Hydrogen chloride (Hydrochloric acid) | t | Free | | Free |
| 2811.11.00 | 00 | Hydrogen fluoride (Hydrofluoric acid) | kg | Free | | Free |
| 2811.19.30 | 00 | Hydrobromic acid | kg | Free | | 25% |
| 2811.19.60 | 05 | Hydrogen cyanide | kg | | | |
| 2814 | | IV. INORGANIC BASES AND OXIDES, HYDROXIDES AND PEROXIDES OF METALS | | | | |
| 2814 | | Ammonia, anhydrous or in aqueous solution: | | | | |
| 2814.10.00 | 00 | Anhydrous ammonia | t | Free | | Free |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
