| 2849.90.00 | 10 | Carbides, whether or not chemically defined. - Other - Tungsten carbide | 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 |
| 29.01 | | Acyclic hydrocarbons. | | | |
| 2901.10.00 | | Acyclic hydrocarbons. - Saturated | LTR | Free | CCCT, LDCT |
| 2901.10.00 | 10 | Acyclic hydrocarbons. - Saturated - Butanes | LTR | Free | CCCT, LDCT |
| 2901.10.00 | 20 | Acyclic hydrocarbons. - Saturated - Hexanes | KGM | Free | CCCT, LDCT |
| 2901.10.00 | 30 | Acyclic hydrocarbons. - Saturated - Pentanes | KGM | Free | CCCT, LDCT |
| 2901.10.00 | 40 | Acyclic hydrocarbons. - Saturated - Ethane | KGM | Free | CCCT, LDCT |
| 2901.10.00 | 90 | Acyclic hydrocarbons. - Saturated - Other | KGM | Free | CCCT, LDCT |
| 2901.21.00 | 00 | Acyclic hydrocarbons. - Unsaturated: - Ethylene | KGM | Free | CCCT, LDCT |
| 2901.22.00 | 00 | Acyclic hydrocarbons. - Unsaturated: - Propene (propylene) | 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 |
| 2901.24.00 | 00 | Acyclic hydrocarbons. - Unsaturated: - Buta-1,3-diene and isoprene | KGM | Free | CCCT, LDCT |
| 2901.29.00 | | Acyclic hydrocarbons. - Unsaturated: - Other | KGM | Free | CCCT, LDCT |
| 2901.29.00 | 11 | Acyclic hydrocarbons. - Unsaturated: - Other - Linear alpha olefins, unmixed: - 1-octene | KGM | Free | CCCT, LDCT |
| 2901.29.00 | 12 | Acyclic hydrocarbons. - Unsaturated: - Other - Linear alpha olefins, unmixed: - 1-hexene | KGM | Free | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
