Arsenic-Mercury Mixed Smelter Dust from Mexico

Fine dust collected from non-ferrous smelters containing both arsenic and mercury mixtures, destined for selective metal recovery. Classified in HTS 2620.60.90.00 as 'other' residues with specified toxic elements for extraction or compound production, excluding municipal sources.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Use ventilated containers; dust form heightens fugitive emission risks during customs inspection

Cross-check against RCRA waste codes; many ports require pre-clearance for toxic metal dusts

Document particle size if relevant, distinguishing from 'coarse' ores in related statistical notes