Arsenic-Lead Copper Tailings Residue from United States
Flotation tailings from copper ore processing, containing mainly copper along with lead and arsenic compounds, used for further metal extraction. This residue qualifies under tariff item 2620.30.00 as slag, ash and residues containing mainly copper, per the chapter notes for industrial metal recovery.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the tailings have not been submitted to processes beyond normal metallurgical industry practices, as per Chapter 26 Note 2
• Provide assay results for copper, lead, and arsenic to justify classification
• Be aware that hazardous waste regulations may apply due to arsenic content