Lead Smelter Slag with Silver Residues from Mexico
Residues from lead smelting processes containing significant silver content alongside arsenic and lead compounds, used for metal recovery. Classified under HTS 2620.29.0040 due to its primary lead composition and silver assay for extraction purposes. Excludes iron/steel manufacturing slags per chapter notes.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Report assay quantity of silver content without deductions as per statistical notes; obtain certified lab analysis
• Ensure documentation proves industrial use for metal extraction to avoid reclassification under waste codes
• Comply with EPA regulations on arsenic-bearing materials; common pitfall is improper hazardous waste labeling