| 2846.90.00 | 00 | Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals. - Other | KGM | Free | CCCT, LDCT |
| 2844.50.00 | 00 | Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products. - Spent (irradiated) fuel elements (cartridges) of nuclear reactors | KGM | Free | CCCT, LDCT |
| 2845.10.00 | 00 | Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined.
- Heavy water (deuterium oxide) | KGM | Free | CCCT, LDCT |
| 2849.10.00 | 00 | Carbides, whether or not chemically defined. - Of calcium | KGM | Free | CCCT, LDCT |
| 2849.20.00 | 00 | Carbides, whether or not chemically defined. - Of silicon | KGM | Free | CCCT, LDCT |
| 2850.00.00 | 10 | Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49.
- Nitrides | KGM | Free | CCCT, LDCT |
| 2850.00.00 | 90 | Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49.
- Other | KGM | Free | CCCT, LDCT |
| 28.52 | | Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams. | | | |
| 2852.10.00 | 00 | Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams. - Chemically defined | KGM | Free | CCCT, LDCT |
| 2852.90 | | Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams. - Other | | | |
| 2852.90.10 | 00 | Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams. - Other - Mercury albuminate;
Nucleoproteids of mercury | KGM | 6.5% | CCCT, LDCT |
| 2852.90.90 | 00 | Inorganic or organic compounds of mercury, whether or not chemically defined, excluding amalgams. - Other - Other | KGM | Free | CCCT, LDCT |
| 2853.00.00 | 00 | 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. | KGM | Free | CCCT, LDCT |
| 2901.23.00 | | Acyclic hydrocarbons. - Unsaturated: - Butene (butylene) and isomers thereof | KGM | Free | CCCT, LDCT |
| 2901.23.00 | 10 | Acyclic hydrocarbons. - Unsaturated: - Butene (butylene) and isomers thereof - 1-Butene | KGM | Free | CCCT, LDCT |
| 2901.23.00 | 20 | Acyclic hydrocarbons. - Unsaturated: - Butene (butylene) and isomers thereof - Isobutene | KGM | Free | CCCT, LDCT |
| 2901.23.00 | 90 | Acyclic hydrocarbons. - Unsaturated: - Butene (butylene) and isomers thereof - Other | KGM | Free | CCCT, LDCT |
| 29.03 | | Halogenated derivatives of hydrocarbons. | | | |
| 2903.11.00 | 00 | Halogenated derivatives of hydrocarbons. - Saturated chlorinated derivatives of acyclic hydrocarbons: - Chloromethane (methyl chloride) and chloroethane (ethyl chloride) | KGM | Free | CCCT, LDCT |
| 2903.12.00 | 00 | Halogenated derivatives of hydrocarbons. - Saturated chlorinated derivatives of acyclic hydrocarbons: - Dichloromethane (methylene chloride) | KGM | Free | CCCT, LDCT |
| 2903.13.00 | 00 | Halogenated derivatives of hydrocarbons. - Saturated chlorinated derivatives of acyclic hydrocarbons: - Chloroform (trichloromethane) | KGM | Free | CCCT, LDCT |
| 2903.14.00 | 00 | Halogenated derivatives of hydrocarbons. - Saturated chlorinated derivatives of acyclic hydrocarbons: - Carbon tetrachloride | KGM | Free | CCCT, LDCT |
| 2903.15.00 | 00 | Halogenated derivatives of hydrocarbons. - Saturated chlorinated derivatives of acyclic hydrocarbons: - Ethylene dichloride (ISO) (1,2-dichloroethane) | KGM | Free | CCCT, LDCT |
| 2903.19.00 | 00 | Halogenated derivatives of hydrocarbons. - Saturated chlorinated derivatives of acyclic hydrocarbons: - Other | KGM | Free | CCCT, LDCT |
| 2903.21.00 | 00 | Halogenated derivatives of hydrocarbons. - Unsaturated chlorinated derivatives of acyclic hydrocarbons: - Vinyl chloride (chloroethylene) | KGM | Free | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
