Thallium-Contaminated Gold Cyanidation Ash from Canada
Ash from gold cyanidation leaching containing thallium impurities, used for thallium and precious metal recovery. HTS 2620.60.90.00 includes such chemical process residues with thallium for extraction purposes, per Heading 2620 scope.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Pair with cyanide residue handling protocols; dual hazmat classifications possible
• Request advance ruling on gold vs. thallium dominance to confirm 2620 applicability
• Budget for sampling at entry; CBP often tests cyanidation residues for precious metal declaration