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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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