| 2801 | Fluorine, chlorine, bromine and iodine: | 4 | Calc rate |
| 2804 | Hydrogen, rare gases and other nonmetals: | 18 | Calc rate |
| 2805 | Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury: | 15 | Calc rate |
| 2806 | Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid: | 2 | Calc rate |
| 2809 | Diphosphorus pentaoxide; phosphoric acid;polyphosphoric acids, whether or not chemically defined: | 6 | Calc rate |
| 2811 | Other inorganic acids and other inorganic oxygen compounds of nonmetals: | 14 | Calc rate |
| 2812 | Halides and halide oxides of nonmetals: | 13 | Calc rate |
| 2813 | Sulfides of nonmetals; commercial phosphorus trisulfide: | 4 | Calc rate |
| 2814 | Ammonia, anhydrous or in aqueous solution: | 2 | Calc rate |
| 2815 | Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium: | 6 | Calc rate |
| 2816 | Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium: | 3 | Calc rate |
| 2818 | Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: | 6 | Calc rate |
| 2819 | Chromium oxides and hydroxides: | 2 | Calc rate |
| 2820 | Manganese oxides: | 2 | Calc rate |
| 2821 | Iron oxides and hydroxides; earth colors containing 70 percent or more by weight of combined iron evaluated as Fe2O3: | 7 | Calc rate |
| 2824 | Lead oxides; red lead and orange lead: | 4 | Calc rate |
| 2825 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: | 21 | Calc rate |
| 2826 | Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: | 9 | Calc rate |
| 2827 | Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: | 25 | Calc rate |
| 2828 | Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites: | 2 | Calc rate |
| 2829 | Chlorates and perchlorates; bromates and perbromates; iodates and periodates: | 6 | Calc rate |
| 2830 | Sulfides; polysulfides, whether or not chemically defined: | 5 | Calc rate |
| 2831 | Dithionites and sulfoxylates: | 3 | Calc rate |
| 2832 | Sulfites; thiosulfates: | 4 | Calc rate |
| 2833 | Sulfates; alums; peroxosulfates (persulfates): | 24 | Calc rate |
| 2834 | Nitrites; nitrates: | 7 | Calc rate |
| 2835 | Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: | 12 | Calc rate |
| 2836 | Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: | 17 | Calc rate |
| 2837 | Cyanides, cyanide oxides and complex cyanides: | 7 | Calc rate |
| 2839 | Silicates; commercial alkali metal silicates: | 4 | Calc rate |
| 2840 | Borates; peroxoborates (perborates): | 6 | Calc rate |
| 2841 | Salts of oxometallic or peroxometallic acids: | 19 | Calc rate |
| 2842 | Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides: | 5 | Calc rate |
| 2843 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals: | 5 | Calc rate |
| 2844 | Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: | 28 | Calc rate |
| 2845 | Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined: | 5 | Calc rate |
| 2846 | Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium, or of mixtures of these metals: | 14 | Calc rate |
| 2849 | Carbides, whether or not chemically defined: | 7 | Calc rate |
| 2852 | Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams: | 4 | Calc rate |
| 2853 | Phosphides, whether or not chemically defined, excluding ferrophosphorous; 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: | 6 | Calc rate |