| 2510.20.00 | 00 | Ground | t | Free |  | Free | 
| 2511.10.10 | 00 | Ground | t | Free |  | $7.38/t | 
| 2513 |  | Pumice; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated: |  |  |  |  | 
| 2513.20 |  | Emery, natural corundum, natural garnet and other natural abrasives: |  |  |  |  | 
| 2530.10.00 | 00 | Vermiculite, perlite and chlorites, unexpanded | kg | Free |  | Free | 
| 2611.00 |  | Tungsten ores and concentrates: |  |  |  |  | 
| 2620 |  | Slag, ash and residues (other than from the manufacture of iron or steel), containing arsenic, metals or their compounds: |  |  |  |  | 
| 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: |  |  |  |  | 
| 2620.60.10 | 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% | 
| 2621 |  | Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste: |  |  |  |  | 
| 2621.10.00 | 00 | Ash and residues from the incineration of municipal waste | t | Free |  | Free | 
| 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 |  |  |  | 
| 2709.00.10 | 00 | Testing under 25 degrees A.P.I | bbl | 5.25¢/bbl | Free (A+,AU,CA, BH,CL,D,IL,J+,JO, MX,P,R,SG) 3.4¢/bbl (MA) | 21¢/bbl | 
| 2710.11.15 | 14 | Unleaded: |  |  |  |  | 
| 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 | 
| 2710.19.05 |  | Testing under 25 degrees A.P.I |  | 5.25¢/bbl | Free (A+,AU,BH, CA,CL,D,IL,J+,JO, MA,MX,P, R,SG) | 21¢/bbl | 
| 2710.19.05 | 05 | Having a Saybolt Universal viscosity at 37.8 degrees C of 45 seconds or more but not more than 125 seconds (No. 4-type fuel oils): |  |  |  |  | 
| 2710.19.05 | 25 | Having a Saybolt Universal viscosity at 37.8 degrees C of more than 125 seconds (heavy fuel oils): |  |  |  |  | 
| 2710.19.10 | 15 | Having a Saybolt Universal viscosity at 37.8 degrees C of 45 seconds or more but not more than 125 seconds (No. 4-type fuel oils): |  |  |  |  | 
| 2710.19.10 | 50 | Having a Saybolt Universal viscosity at 37.8 degrees C of more than 125 seconds (heavy fuel oils) | bbl |  |  |  | 
| 2710.19.10 | 02 | Having a Saybolt Universal viscosity at 37.8 degrees C of less than 45 seconds (light fuel oils): |  |  |  |  | 
| 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 | 
| 2710.99.05 | 00 | Testing under 25 degrees A.P.I | bbl | 5.25¢/bbl | Free (A+,AU,BH, CA,CL,D,IL,J+,JO, MA,MX,P, R,SG) | 21¢/bbl |