| 2844.40.00 |  | Radioactive elements and isotopes and com- pounds other than those of subheadings 2844.10, 2844.20, and 2844.30; alloys, dis- persions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues |  | Free |  | Free | 
| 2844.50.00 | 00 | Spent (irradiated) fuel elements (cartridges) of nuclear reactors | kg | Free |  | Free | 
| 2845 |  | Isotopes other than those of heading 2844; com- pounds, inorganic or organic, of such isotopes, whether or not chemically defined: |  |  |  |  | 
| 2846 |  | Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: |  |  |  |  | 
| 2846.90.40 | 00 | Yttrium bearing materials and compounds containing by weight more than 19 percent but less than 85 percent yttrium oxide equivalent | kg | Free |  | 25% | 
| 2847.00.00 | 00 | Hydrogen peroxide, whether or not solidified with urea | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% | 
| 2848.00 |  | Phosphides, whether or not chemically defined, excluding ferrophosphorus: |  |  |  |  | 
| 2848.00.10 | 00 | Of copper (phosphor copper), containing more than 15 percent by weight of phosphorus | kg | 2.6% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 32.5% | 
| 2849.20.20 | 00 | In grains, or ground, pulverized or refined | kg | 0.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 1.6% | 
| 2849.90.30 | 00 | Of tungsten | kg W kg | 5.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 55.5% | 
| 2850.00 |  | Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: |  |  |  |  | 
| 2850.00.10 | 00 | Of tungsten | kg W kg | 5.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 45.5% | 
| 2852.00 |  | Compounds, inorganic or organic, of mercury, excluding amalgams: |  |  |  |  | 
| 2853.00.00 |  | Other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals |  | 2.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% | 
| 2853.00.00 | 05 | Cyanogen chloride | kg |  |  |  | 
| 2853.00.00 | 10 | Gallium arsenide wafers, undoped | kg |  |  |  | 
| 2901.10.40 | 00 | Derived in whole or in part from petroleum, shale oil or natural gas | kg | Free |  | 25% | 
| 2901.24.20 | 00 | Having a purity of 95 percent or more by weight | kg | Free |  | 25% | 
| 2901.29.10 |  | Derived in whole or in part from petroleum, shale oil or natural gas |  | Free |  | 25% | 
| 2903 |  | Halogenated derivatives of hydrocarbons: |  |  |  |  | 
| 2903.41.00 | 00 | Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: |  |  |  |  | 
| 2903.45.00 | 00 | Other derivatives perhalogenated only with fluorine and chlorine | kg | 3.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, K,MA,MX, P,SG) | 25% | 
| 2903.47.00 | 00 | Other perhalogenated derivatives | kg | 3.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, K,MA,MX, P,SG) | 25% | 
| 2903.51.00 | 00 | Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons: |  |  |  |  | 
| 2903.51.00 | 00 | 1,2,3,4,5,6-Hexachlorocyclohexane (HCH (ISO)), including lindane (ISO,INN) | kg | 5.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, K,MA,MX, P,SG) | 15.4¢/kg +  64.5% |