Arsenic-Bearing Copper Smelter Slag
Residue from copper smelting processes containing arsenic and metal compounds, primarily used for arsenic extraction or chemical compound production. Classified under HTS 2620.60.90.00 as slag containing arsenic for metal extraction or chemical manufacturing, per Chapter Note (b). Excludes iron/steel slag and municipal waste ash.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If derived from municipal waste incineration
Chapter Note excludes municipal waste ash from 2620, directing to 2621 for incineration residues.
If primarily copper content with minor arsenic
Roasted copper ores/blends shift to Chapter 26 mineral products if not qualifying as extraction slag.
If chemically processed for direct compound use
Advanced chemical treatment may classify as prepared chemical binders rather than raw residues.
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Import Tips & Compliance
• Obtain chemical assay certificates verifying arsenic/metal content without deductions, as per statistical notes
• Comply with EPA/TSCA import notifications for arsenic-containing materials to avoid seizure
• Verify industrial end-use documentation to prevent misclassification as waste under Heading 2621
Related Products under HTS 2620.60.90.00
Mercury-Contaminated Zinc Refinery Ash
Ash residue from zinc refining operations laden with mercury and metal compounds, utilized for mercury recovery or compound synthesis. Falls under HTS 2620.60.90.00 for residues containing mercury used in extraction or chemical manufacture, distinct from iron/steel byproducts.
Thallium-Rich Lead Smelter Residue
Slag-like residue from lead smelting containing thallium compounds, employed in thallium extraction or chemical production. HTS 2620.60.90.00 covers such non-iron/steel residues with thallium for industrial metal/compound recovery, per chapter legal definitions.
Arsenic-Mercury Mixed Smelter Dust
Fine dust collected from non-ferrous smelters containing both arsenic and mercury mixtures, destined for selective metal recovery. Classified in HTS 2620.60.90.00 as 'other' residues with specified toxic elements for extraction or compound production, excluding municipal sources.
Thallium-Contaminated Gold Cyanidation Ash
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.
Thallium-Lead Alloy Processing Residue
Residue from thallium-lead alloy production containing recoverable thallium, used in chemical compound synthesis. Covered by HTS 2620.60.90.00 for thallium-bearing industrial residues per chapter note.
Thallium Gallium Arsenide Etch Residue
Etch residue from semiconductor GaAs wafer processing with thallium dopants, for metal recovery. Industrial residue under HTS 2620.60.90.00.