| 2528.10.00 | 00 | Natural sodium borates and concentrates thereof (whether or not calcined) | kg | Free | | Free |
| 2528.90.00 | 10 | Natural calcium borates | kg | | | |
| 2529.21.00 | 00 | Containing by weight 97 percent or less of calcium fluoride | t | Free | | 13.5% |
| 2529.22.00 | 00 | Containing by weight more than 97 percent of calcium fluoride | t | Free | | $5.51/t |
| 2530.90.20 | 00 | Natural micaceous iron oxides | kg | 2.9% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 20% |
| 2602.00.00 | | Manganese ores and concentrates, including ferruginous manganese ores and concentrates with a manganese con- tent of 20 percent or more, calculated on the dry weight | | Free | | 2.2¢/kg on manganese content |
| 2606.00.00 | 30 | Bauxite, calcined: | | | | |
| 2619.00 | | Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel: | | | | |
| 2619.00.30 | 00 | Ferrous scale | t | Free | | 73.8¢/t |
| 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: | | | | |
| 2620.60.10 | 00 | Of a kind used only for the extraction of arsenic or the manufacture of its chemical compounds | kg | 5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 25% |
| 2620.91.00 | 00 | Containing antimony, beryllium, cadmium, chromium or their mixtures | kg | Free | | 30% |
| 2701.12.00 | 10 | Metallurgical coal | t | | | |
| 2704.00.00 | | Coke and semicoke of coal, of lignite or of peat, whether or not agglomerated; retort carbon | | Free | | Free |
| 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 |
| 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 |
| 2707.99.40 | 00 | Carbazole having a purity of 65 percent or more by weight | kg | 0.9¢/kg + 3% | Free (A,AU,CA,BH, CL,E,IL,J,JO,L, MA,MX,P,SG) | 15.4¢/kg + 40% |
| 2707.99.90 | 10 | Carbon black feedstocks | bbl | | | |
| 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 |
| 2710.19.30 | | Lubricating oils and greases, with or without additives: | | | | |
| 2710.19.30 | 10 | Aviation engine lubricating oils | bbl | | | |
| 2710.19.30 | 20 | Automotive, diesel or marine engine lubricating oils | bbl | | | |
| 2710.19.30 | 30 | Turbine lubricating oil, including marine | 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 |
| 2710.99.31 | 00 | Wastes of lubricating oils and greases (whether or not containing additives): | | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
