Mercury-Contaminated Zinc Refinery Ash from Mexico
Ash residue from zinc refining operations laden with mercury and metal compounds, utilized for mercury recovery or compound synthesis. Falls under HTS 2620.60.90.00 for residues containing mercury used in extraction or chemical manufacture, distinct from iron/steel byproducts.
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
• Declare exact metal content via assay; statistical notes mandate no deductions for quantity reporting
• Secure Basel Convention prior informed consent for transboundary mercury waste movements
• Avoid common pitfall of bulk packaging without stabilization, risking hazardous material reclassification