Primary Lead Smelter Sludge with Silver Content from Mexico
Sludge generated in primary lead smelters, lead-dominant with recoverable silver and arsenic impurities. Fits HTS 2620.21.00.40 for silver-bearing leaded sludges used in metal/compound manufacturing. Chapter notes confirm applicability to industrial arsenic/metal residues.
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
• Laboratory assays mandatory for silver without deductions
• Verify no iron/steel manufacturing origin to stay in 2620
• Use licensed hazwaste transporters