Leaded Anti-Knock Compound Sludge with Silver Impurities from Mexico
Sludge byproduct from leaded anti-knock fuel additives production, predominantly lead-based with silver and arsenic compounds. Falls under HTS 2620.21.00.40 for its silver content in leaded sludges used industrially for metal reclamation. Meets heading 2620 criteria for non-iron/steel residues extractable for metals.
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
• Submit detailed chemical assay for silver/lead/arsenic; statistical notes require undeducted metal content
• Comply with Basel Convention for transboundary hazardous waste movement