| 2620.29.00 | 50 | Gold content | Au g | | | |
| 2620.29.00 | 20 | Lead content | Pb kg | | | |
| 2620.29.00 | 30 | Zinc content | Zn kg | | | |
| 2620.30.00 | 10 | Copper content | Cu kg | | | |
| 2620.30.00 | 20 | Lead content | Pb kg | | | |
| 2620.30.00 | 30 | Zinc content | Zn kg | | | |
| 2620.30.00 | 40 | Silver content | Ag g | | | |
| 2620.30.00 | 50 | Gold content | Au g | | | |
| 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% |
| 2620.99.20 | 00 | Containing mainly tungsten | kg W kg | 17.6￠/kg on tungsten content + 3.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | $1.32/kg on tungsten content + 40% |
| 2620.99.30 | 00 | Materials not provided for elsewhere in this heading containing by weight over 10 percent nickel | kg Ni kg | Free | | Free |
| 2620.99.50 | 00 | Slag containing by weight over 40 percent titanium, and which if containing over 2 percent by weight of copper, lead, or zinc is not to be treated for the recovery thereof | kg | Free | | Free |
| 2620.99.75 | | Other materials which are residues not advanced in value or condition by any means, and which if containing over 2 percent by weight of copper, lead or zinc are not to be treated for the recovery thereof | | Free | | Free |
| 2620.99.75 | 60 | Silver content | Ag g | | | |
| 2620.99.75 | 80 | Gold content | Au g | | | |
| 2704.00.00 | 11 | Coke larger than 100 mm (4 inches) in maximum diameter and at least 50 percent of which is retained on a 100-mm (4-inch) sieve after drop shatter testing pursuant to ASTM D 3038, of a kind used in foundries | t | | | |
| 2707 | | Oils and other products of the distillation of high temperature coal tar; similar products in which the weight of the aromatic constituents exceeds that of the nonaromatic constituents: | | | | |
| 2707.10.00 | 00 | Benzene | liters | Free | | Free |
| 2707.20.00 | 00 | Toluene | liters | Free | | Free |
| 2707.30.00 | | Xylenes | | Free | | Free |
| 2707.30.00 | 10 | m-Xylene | liters | | | |
| 2707.30.00 | 20 | o-Xylene | liters | | | |
| 2707.30.00 | 30 | p-Xylene | liters | | | |
| 2707.40.00 | 00 | Naphthalene | kg liters | Free | | Free |
