Arsenical Lead Flue Dust with Copper from Mexico

Flue dust captured from lead smelting exhausts, predominantly lead and arsenic with copper particulates, for metal extraction. Classified under HTS 2620.29.0010 per chapter notes for arsenic-containing industrial residues, copper content specified.

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

Air quality/process docs to verify flue origin and industrial utility

Test for particle size if coarse, but report all copper regardless per notes

Prevent contamination with steel dust to maintain non-ferrous status