| Chapter Code | Chapter Description |
|---|
| 260900 | TIN ORES AND CONCENTRATES |
| 261000 | CHROMIUM ORES AND CONCENTRATES |
| 261210 | URANIUM ORES AND CONCENTRATES |
| 261220 | THORIUM ORES AND CONCENTRATES |
| 261510 | ZIRCONIUM ORES AND CONCENTRATES |
| 261610 | SILVER ORES AND CONCENTRATES |
| 261710 | ANTIMONY ORES AND CONCENTRATES |
| 261800 | GRANULATED SLAG (SLAG SAND) FROM THE MANUFACTURE OF IRON OR STEEL |