| 2616.90.00 | 10 | Precious metal ores and concentrates. - Other - Silver content | GRM | | |
| 2616.90.00 | 20 | Precious metal ores and concentrates. - Other - Gold content | GRM | | |
| 2616.90.00 | 30 | Precious metal ores and concentrates. - Other - Platinum group metal content | GRM | | |
| 2617.10.00 | 00 | Other ores and concentrates. - Antimony ores and concentrates | KGM | Free | CCCT, LDCT |
| 2617.90.00 | | Other ores and concentrates. - Other | KGM | Free | CCCT, LDCT |
| 2617.90.00 | 10 | Other ores and concentrates. - Other - Cadmium | KGM | | |
| 2617.90.00 | 90 | Other ores and concentrates. - Other - Other | KGM | | |
| 2619.00.00 | 00 | Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel. | KGM | Free | CCCT, LDCT |
| 26.20 | | Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or their compounds. | | | |
| 2620.19.00 | 00 | Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or their compounds. - Containing mainly zinc: - Other | KGM | Free | CCCT, LDCT |
| 2604.00.00 | 20 | Nickel ores and concentrates. - Nickel content | KGM | | |
| 2604.00.00 | 81 | Nickel ores and concentrates. - Precious metal content: - Silver content | GRM | | |
| 2604.00.00 | 82 | Nickel ores and concentrates. - Precious metal content: - Gold content | GRM | | |
| 2604.00.00 | 90 | Nickel ores and concentrates. - Other | KGM | | |
| 2605.00.00 | 00 | Cobalt ores and concentrates. | KGM | Free | CCCT, LDCT |
| 2606.00.00 | | Aluminum ores and concentrates. | TNE | Free | CCCT, LDCT |
| 2606.00.00 | 11 | Aluminum ores and concentrates. - Refractory grade: - Calcined | TNE | | |
| 2606.00.00 | 19 | Aluminum ores and concentrates. - Refractory grade: - Other | TNE | | |
| 2606.00.00 | 90 | Aluminum ores and concentrates. - Other: - Other | TNE | | |
| 2607.00.00 | 10 | Lead ores and concentrates. - Copper content | KGM | | |
| 2607.00.00 | 20 | Lead ores and concentrates. - Lead content | KGM | | |
| 2607.00.00 | 81 | Lead ores and concentrates. - Precious metal content: - Silver content | GRM | | |
| 2607.00.00 | 82 | Lead ores and concentrates. - Precious metal content: - Gold content | GRM | | |
| 2607.00.00 | 90 | Lead ores and concentrates. - Other | KGM | | |
| 2608.00.00 | | Zinc ores and concentrates. | KGM | Free | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
