Arsenic-Bearing Copper Smelter Residue from Mexico
Residue from copper smelting processes containing arsenic and minor metal compounds, used for metal extraction or chemical manufacturing. Classified under HTS 2620.99.75.90 as slag/ash/residues (non-iron/steel) with arsenic/metals, not advanced in value, excluding vanadium/silver/gold. Meets chapter note for industrial use in extraction.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide detailed assay certificates showing metal/arsenic content and absence of vanadium/silver/gold to avoid reclassification
• Declare as unadvanced residues; any chemical treatment may shift to 2620.19 or 2621
• Comply with EPA/TSCA import notices for arsenic-bearing materials to prevent customs holds