| 2811.22.50 | 00 | Other | kg | Free | | Free |
| 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% |
| 2811.29.50 | 00 | Other | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2812.10.50 | | Other | | 3.7% | 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 | | | |
| 2812.10.50 | 90 | Other | kg | | | |
| 2812.90.00 | 00 | Other | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2813.10.00 | 00 | Carbon disulfide | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2813.90.50 | 00 | Other | kg | 3.7% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2814.10.00 | 00 | Anhydrous ammonia | t | Free | | Free |
| 2815.20.00 | 90 | Other | kg | | | |
| 2817.00.00 | 00 | Zinc oxide; zinc peroxide | kg | Free | | 5.5% |
| 2818.10.10 | 00 | Crude | t | Free | | Free |
| 2818.10.20 | 10 | White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide | kg | | | |
| 2818.10.20 | 90 | Other | kg | | | |
| 2818.30.00 | 00 | Aluminum hydroxide | kg | Free | | 1.1¢/kg |
| 2819.10.00 | 00 | Chromium trioxide | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2819.90.00 | 00 | Other | kg | 3.7% | Free (A,AU,BH, CA,CL,E, IL,J,JO, MA,MX,P,SG) | 25% |
| 2820.10.00 | 00 | Manganese dioxide | kg | 4.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2820.90.00 | 00 | Other | kg | 4.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2821.10.00 | 40 | Other | kg | | | |
| 2821.10.00 | 50 | Other | kg | | | |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
