Thorium Lantern Mantle Residue from China
Waste residues from manufacturing gas lantern mantles impregnated with thorium nitrate, retaining thorium-232 daughters. These are radioactive residues under Chapter 28 Note 4(f) and are classified under tariff item 2844.44.00.
Duty Rate — China → Canada
0%
Import Tips
• Secure a CNSC import permit and provide a thorium-232 and daughter nuclide analysis
• Ensure packaging meets Transport Canada Class 7 standards
• Coordinate with CBSA for radiation monitoring