Arsenic-Bearing Copper Smelter Residue from Mexico
Arsenic-bearing copper smelter residue is a by-product of copper smelting that contains arsenic and various metal compounds. It is used in industry for the extraction of metals or the manufacture of chemical compounds, qualifying under heading 26.20 as slag, ash, or residues containing metals or arsenic. This material is not submitted to processes beyond those normal to the metallurgical industry, ensuring classification under tariff item 2620.99.00.
Duty Rate — Mexico → Canada
Import Tips
• Ensure the residue is not classified as hazardous waste under Canadian regulations; verify with CBSA if an import permit is required
• Provide a certificate of analysis showing arsenic and metal content to support tariff classification
• Confirm the material is not subject to the Basel Convention transboundary movement rules