HTS CodeDescriptionGeneralSpecialOtherUnits
2620.99.10
2620.99.20
2620.99.30
2620.99.50
2620.99.75 Other materials which are residues not advanced in value or condition by any means, and which if containing over 2 percent by weight of copper, lead or zinc are not to be treated for the recovery thereof Free Free
2620.99.85