Arsenic-Lead Smelting Residues with Silver Impurities from Mexico
Industrial residues from non-ferrous smelting operations featuring high lead and arsenic with embedded silver, destined for chemical compound production. HTS 2620.29.0040 applies per chapter note (b) for arsenic/metal-bearing slags used 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
• Include smelter origin certificates distinguishing from iron/steel processes
• Conduct pre-shipment assays for silver and arsenic; common error is particle size confusion with iron ore notes
• Prepare HAZMAT declarations for arsenic; ensure buyer has extraction facilities