| 2620.21.00 | 00 | Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or their compounds. - Containing mainly lead: - Leaded gasoline sludges and leaded anti-knock compound sludges | KGM | Free | CCCT, LDCT |
| 2620.60.00 | 00 | Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or their compounds. - Containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metals or for the manufacture of their chemical compounds | KGM | Free | CCCT, LDCT |
| 2620.91.00 | 00 | Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or their compounds. - Other: - Containing antimony, beryllium, cadmium, chromium or their mixtures | KGM | Free | CCCT, LDCT |
| 2620.99.00 | 20 | Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or their compounds. - Other: - Other - Containing mainly nickel | KGM | | |
| 2701.12.00 | 11 | Coal; briquettes, ovoids and similar solid fuels manufactured from coal. - Coal, whether or not pulverized, but not agglomerated: - Bituminous coal - Metallurgical coal: - High volatile | TNE | | |
| 2701.12.00 | 12 | Coal; briquettes, ovoids and similar solid fuels manufactured from coal. - Coal, whether or not pulverized, but not agglomerated: - Bituminous coal - Metallurgical coal: - Low volatile | TNE | | |
| 2804.29.00 | 90 | Hydrogen, rare gases and other non-metals. - Rare gases: - Other - Other | KGM | Free | CCCT, LDCT |
| 2804.30.00 | 00 | Hydrogen, rare gases and other non-metals. - Nitrogen | KGM | Free | CCCT, LDCT |
| 2804.40.00 | 00 | Hydrogen, rare gases and other non-metals. - Oxygen | KGM | Free | CCCT, LDCT |
| 2804.50.00 | 00 | Hydrogen, rare gases and other non-metals. - Boron; tellurium | KGM | Free | CCCT, LDCT |
| 2805.12.00 | 00 | Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury. - Alkali or alkaline-earth metals: - Calcium | KGM | Free | CCCT, LDCT |
| 2811.22.00 | 20 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic oxygen compounds of non-metals: - Silicon dioxide - Silica gel | KGM | Free | CCCT, LDCT |
| 2811.22.00 | 90 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic oxygen compounds of non-metals: - Silicon dioxide - Other | KGM | Free | CCCT, LDCT |
| 2805.19.00 | 00 | Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury. - Alkali or alkaline-earth metals: - Other | KGM | Free | CCCT, LDCT |
| 2805.30.00 | 00 | Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury. - Rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed | KGM | Free | CCCT, LDCT |
| 2805.40.00 | 00 | Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury. - Mercury | KGM | Free | CCCT, LDCT |
| 28.11 | | Other inorganic acids and other inorganic oxygen compounds of non-metals. | | | |
| 2811.11.00 | 00 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic acids: - Hydrogen fluoride (hydrofluoric acid) | KGM | Free | CCCT, LDCT |
| 2811.19.00 | 00 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic acids: - Other | KGM | Free | CCCT, LDCT |
| 2811.21.00 | 00 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic oxygen compounds of non-metals: - Carbon dioxide | KGM | Free | CCCT, LDCT |
| 2811.22.00 | | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic oxygen compounds of non-metals: - Silicon dioxide | KGM | Free | CCCT, LDCT |
| 2811.22.00 | 10 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic oxygen compounds of non-metals: - Silicon dioxide - Hydrated silica | KGM | Free | CCCT, LDCT |
| 2817.00.00 | 10 | Zinc oxide; zinc peroxide. - Zinc oxide, having a zinc content not exceeding 75%, expressed as the metal, for use in the manufacture of animal or poultry feeds | KGM | Free | CCCT, LDCT |
| 2825.10.00 | 00 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Hydrazine and hydroxylamine and their inorganic salts | KGM | Free | CCCT, LDCT |
| 2825.20.00 | 10 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Lithium oxide and hydroxide - Lithium oxide | KGM | Free | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: 2
