| 2710.99.10 | 00 | Testing 25 degrees A.P.I. or more | bbl | 10.5¢/bbl | Free (A+,AU,BH, CA,CL,D,IL,J+,JO, MA,MX,P, R,SG) | 21¢/bbl |
| 2711.12.00 | | Propane | | Free | | Free |
| 2711.14.00 | | Ethylene, propylene, butylene and butadiene | | Free | | Free |
| 2711.14.00 | 10 | Ethylene | kg | | | |
| 2711.14.00 | 20 | Propylene | kg | | | |
| 2711.14.00 | 30 | Butylene | kg | | | |
| 2711.14.00 | 40 | Butadiene | kg | | | |
| 2711.19.00 | 10 | Ethane | bbl | | | |
| 2801.10.00 | 00 | Chlorine | kg | Free | | 25% |
| 2801.20.00 | 00 | Iodine | kg | Free | | Free |
| 2801.30.10 | 00 | Fluorine | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2801.30.20 | 00 | Bromine | kg | 5.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 37% |
| 2804.80.00 | 00 | Arsenic | kg | Free | | 13.2¢/kg |
| 2809.10.00 | 00 | Diphosphorus pentaoxide | kg | Free | | 25% |
| 2811.19.60 | 05 | Hydrogen cyanide | kg | | | |
| 2811.21.00 | 00 | Carbon dioxide | t | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2811.29.10 | 00 | Arsenic trioxide | kg | Free | | Free |
| 2811.29.20 | 00 | Selenium dioxide | kg | Free | | Free |
| 2811.29.30 | 00 | Sulfur dioxide | kg | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2812.10.50 | 05 | Arsenic trichloride, carbonyl dichloride (phosgene), sulfur monochloride, sulfur dichloride and thionyl chloride | kg | | | |
| 2812.10.50 | 10 | Phosphorus oxychloride and trichloride | kg | | | |
| 2813.10.00 | 00 | Carbon disulfide | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2813.90.10 | 00 | Of arsenic | kg | Free | | Free |
| 2817.00.00 | 00 | Zinc oxide; zinc peroxide | kg | Free | | 5.5% |
| 2818.10.10 | 00 | Crude | t | Free | | Free |