</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Thallium-Contaminated Gold Cyanidation Ash from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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