In-Situ Leached Uranium Ore Residues from Mexico
Spent sandstone ore residues from in-situ recovery (ISR) uranium mining, containing residual uranium values. These residues are classified as uranium ores under tariff item 2612.10.00 when shipped for reprocessing, as they remain mineral products of a kind used in the metallurgical industry for uranium extraction.
Duty Rate — Mexico → Canada
Import Tips
• Ensure the residues are not processed beyond normal metallurgical steps (e.g
• no chemical treatment altering mineralogical species) to stay within heading 26.12
• Provide a certificate of origin and a detailed assay showing uranium content, as the unit of measure for statistical purposes is the metal content
• Confirm with CBSA that the shipment is for reprocessing, not disposal, to avoid classification as waste under heading 26.21