Leaded gasoline sludges and leaded anti-knock compound sludges
Slag, ash and residues (other than from the manufacture of iron or steel) containing metals, arsenic or their compounds. > Containing mainly lead: > Leaded gasoline sludges and leaded anti-knock compound sludges > Leaded gasoline sludges and leaded anti-knock compound sludges
Duty Rate (from China)
Products classified under Tariff item 2620.21.00.00
Automotive Leaded Fuel Separator Sludge
Sludge collected from separators in leaded fuel handling systems, containing lead precipitates from tetraethyllead additives. This residue is primarily lead-based and is used industrially for metal recovery, fitting the definition of leaded gasoline sludge under tariff item 2620.21.00.
2620.21.00Aviation Leaded Fuel Sludge with Gold Traces
Aviation leaded fuel sludge with gold traces is a residue from leaded aviation gasoline production or cleanup, predominantly lead with incidental gold from refining processes. It falls under tariff item 2620.21.00 as a leaded gasoline sludge used for metal recovery, with the gold content being a secondary characteristic.
2620.21.00Aviation Leaded Fuel Tank Sludge
Sludge extracted from aircraft fuel tanks using leaded avgas (avgas 100LL), containing lead alkyls and particulates. This leaded gasoline sludge is used for industrial extraction, fitting tariff item 2620.21.00.
2620.21.00Battery Recycling Leaded Sludge
Leaded sludge recovered from lead-acid battery recycling processes, containing lead compounds and metal residues. This material is a lead-rich residue suitable for further metal extraction, aligning with the definition of leaded gasoline sludge under tariff item 2620.21.00.
2620.21.00Battery Recycling Leaded Sludge with Silver Recovery
Sludge from lead-acid battery recycling featuring high lead content, silver traces, and arsenic, destined for precious metal reclamation. This product is classified under tariff item 2620.21.00 as a leaded sludge, with silver and arsenic as secondary components.
2620.21.00Copper-Bearing Leaded Fuel Refinery Sludge
Hazardous sludge from leaded fuel refinery tanks, primarily lead-based with copper from alloy corrosion and additives. This sludge is designated for industrial recovery and falls under tariff item 2620.21.00, with copper content reported per statistical note 1.
2620.21.00Historical Leaded Battery Processing Sludge
Historical sludge from lead-acid battery recycling operations that used leaded compounds, containing high levels of metallic lead. This residue is classified under tariff item 2620.21.00 as it is a leaded gasoline or anti-knock compound sludge suitable for metal recovery, not derived from iron or steel manufacture.
2620.21.00Industrial Leaded Anti-Knock Sludge with Recovered Copper
Partially processed sludge from anti-knock compound manufacturing, mainly lead with assayed copper for recovery. This leaded sludge is intended for chemical compound production, fitting tariff item 2620.21.00 with copper content reported.
2620.21.00Leaded Anti-Knock Compound Sludge
Sludge generated during the production and storage of lead-based anti-knock additives such as tetraethyllead for gasoline, rich in lead metal content. This product is classified under tariff item 2620.21.00 as it is a leaded anti-knock compound sludge, explicitly named in the subheading.
2620.21.00Leaded Anti-Knock Compound Sludge Residue
Sludge byproduct from the production and purification of lead-based anti-knock compounds like tetraethyllead for gasoline additives. With high lead content and industrial application for metal or compound production, it falls under tariff item 2620.21.00 as leaded anti-knock compound sludge.
2620.21.00Leaded Anti-Knock Compound Sludge with Copper Impurities
Sludge generated from leaded anti-knock fuel additives production, rich in lead with copper from catalyst contamination. This leaded sludge is used industrially for lead extraction, fitting tariff item 2620.21.00 with copper content reported.
2620.21.00Leaded Anti-Knock Compound Sludge with Gold Residue
Leaded anti-knock compound sludge with gold residue is a byproduct from manufacturing leaded anti-knock compounds like tetraethyllead, primarily lead-based with trace gold from alloyed components. It is classified under tariff item 2620.21.00 as a leaded anti-knock compound sludge used in industry for metal recovery.
2620.21.00Leaded Anti-Knock Compound Sludge with Silver Impurities
Sludge byproduct from leaded anti-knock fuel additives production, predominantly lead-based with silver and arsenic compounds. This product is classified under tariff item 2620.21.00 as a leaded anti-knock compound sludge, with silver and arsenic as secondary components.
2620.21.00Leaded Anti-Knock Compound Sludge with Zinc
Sludge from the production and cleanup of leaded anti-knock additives for gasoline, featuring high lead concentration and zinc as a key metallic component. This product is classified under tariff item 2620.21.00 as a leaded anti-knock compound sludge, with zinc as an impurity.
2620.21.00Leaded Anti-Knock Filter Cake Sludge
Filter cake sludge from filtration of leaded anti-knock solutions during manufacturing, with a lead-dominant composition. This material is suitable for metal or compound production in industry, fitting tariff item 2620.21.00 as leaded anti-knock compound sludge.
2620.21.00Leaded Aviation Gasoline Sludge Containing Copper
Sludge from storage and processing of leaded aviation fuel (avgas), containing lead tetraethyl with copper impurities. This leaded sludge is used for extracting metals, fitting tariff item 2620.21.00 with copper content reported.
2620.21.00Leaded Fuel Additive Production Sludge
Sludge generated during the synthesis and filtration of organolead compounds used as fuel anti-knock additives. Containing mainly lead and intended for industrial recovery of metals, it falls under tariff item 2620.21.00 as leaded anti-knock compound sludge.
2620.21.00Leaded Fuel Additive Waste Ash with Silver Assay
Ash residues from leaded fuel additive manufacturing, mainly lead with silver and arsenic for extraction. This product is classified under tariff item 2620.21.00 as a leaded anti-knock compound sludge, with silver and arsenic as secondary components.
2620.21.00Leaded Fuel Sediment with Zinc Impurities
Sediment collected from filtration systems in leaded gasoline production lines, primarily lead-based with zinc from compound interactions. This product is classified under tariff item 2620.21.00 as a leaded gasoline sludge, with zinc as a secondary component.
2620.21.00Leaded Fuel Tank Bottom Sludge Gold Bearing
Leaded fuel tank bottom sludge gold bearing is settled sludge from storage tanks holding leaded fuels, mainly lead with gold content from accumulated impurities. It falls under tariff item 2620.21.00 as a leaded gasoline sludge used in industry for metal extraction, consistent with the subheading definition.
2620.21.00Leaded Gasoline Sludge from Refinery Processing
Residual sludge generated during the refining and cleaning of leaded gasoline, containing primarily lead compounds from tetraethyllead additives. This residue contains mainly lead and is used industrially for metal recovery, fitting tariff item 2620.21.00.
2620.21.00Leaded Gasoline Sludge Residue
Residue collected from cleaning storage tanks that previously held leaded gasoline, containing primarily lead compounds from tetraethyllead additives. This sludge is classified under tariff item 2620.21.00 as a leaded gasoline sludge, as defined in subheading note 1.
2620.21.00Leaded Gasoline Sludge with Copper Residue
Residue from the refining of leaded gasoline containing primarily lead compounds along with significant copper content from anti-knock additives. This leaded gasoline sludge is classified under tariff item 2620.21.00 with copper content reported.
2620.21.00Leaded Gasoline Sludge with Gold Impurities
Leaded gasoline sludge with gold impurities is a residue from leaded gasoline production, mainly lead with gold content from catalytic processes or impurities. It is classified under tariff item 2620.21.00 due to its primary lead composition and status as leaded gasoline sludge, used for metal recovery.
2620.21.00Leaded Gasoline Sludge with Silver Residue
Leaded gasoline sludge with silver residue is a byproduct from refining leaded gasoline, containing mainly lead along with silver compounds and traces of arsenic. It is classified under tariff item 2620.21.00 because it is a sludge from leaded gasoline storage or processing, primarily composed of lead and used in industry for metal extraction.
2620.21.00Leaded Gasoline Sludge with Zinc Residue
Residue generated from cleaning storage tanks that held leaded gasoline, containing mainly lead compounds along with significant zinc content from anti-knock additives. This product is classified under tariff item 2620.21.00 as a leaded gasoline sludge, with zinc as an impurity.
2620.21.00Leaded Gasoline Tank Cleaning Residue
Residue sludge from cleaning storage tanks that held leaded gasoline, laden with lead compounds. This lead-containing industrial residue is used for metal recovery, fitting tariff item 2620.21.00 as leaded gasoline sludge.
2620.21.00Leaded Paint Manufacturing Sludge
Waste sludge from lead pigment production in paint factories, containing high lead content from lead chromate or oxide. This product is classified under tariff item 2620.21.00 as it is a lead-containing sludge used industrially for metal or chemical compound recovery, consistent with the scope of heading 26.20.
2620.21.00Leaded Stabilizer Production Ash
Ash residues from manufacturing lead-based PVC stabilizers, containing lead salts and metals. This product is classified under tariff item 2620.21.00 as a lead-containing ash used for the manufacture of chemical compounds of metals, within the scope of heading 26.20.
2620.21.00Lead Refinery Slag with Silver and Arsenic Content
Lead refinery slag with silver and arsenic content is a byproduct of lead smelting operations, primarily lead-based and containing recoverable silver and arsenic compounds. It falls under tariff item 2620.21.00 as a lead-containing residue used in industry for metal extraction, consistent with the chapter notes for non-ferrous metallurgy residues.
2620.21.00Primary Lead Smelter Sludge with Silver Content
Primary lead smelter sludge with silver content is generated during primary lead smelting, with lead as the dominant metal and recoverable silver and arsenic impurities. It is classified under tariff item 2620.21.00 as a lead-dominant sludge used in industry for metal or compound manufacturing, per the chapter notes.
2620.21.00Refinery Leaded Additive Residue
Residues from oil refinery distillation columns handling leaded anti-knock additives, predominantly lead sludge. This product is classified under tariff item 2620.21.00 as a leaded anti-knock compound sludge, explicitly covered by the subheading.
2620.21.00Refinery Leaded Gasoline Bottom Sludge
Heavy bottom sludge from leaded gasoline storage tanks and distillation units, rich in leaded particulates. This residue contains mainly lead and is used industrially for extraction processes, fitting tariff item 2620.21.00.
2620.21.00Refinery Leaded Slag with Gold and Arsenic
Refinery leaded slag with gold and arsenic is slag from petroleum refinery leaded fuel processing, mainly lead with gold and arsenic compounds for potential extraction. It falls under tariff item 2620.21.00 as a leaded sludge or slag with gold content, per the chapter notes for industrial metal recovery.
2620.21.00Refinery Sludge from Leaded Additive Processing Zinc Content
Sludge byproduct from petroleum refineries processing leaded anti-knock compounds, containing mainly lead with reportable zinc levels. This product is classified under tariff item 2620.21.00 as a leaded anti-knock compound sludge, with zinc as a secondary component.
2620.21.00Tank Bottom Sludge from Leaded Fuel
Accumulated sludge from the bottom of underground storage tanks used for leaded aviation gasoline, primarily leaded compounds. This product is classified under tariff item 2620.21.00 as a leaded gasoline sludge, as defined in subheading note 1.
2620.21.00Tank Bottom Sludge from Leaded Fuel Storage with Zinc
Accumulated sludge from the bottoms of storage tanks that stored leaded gasoline, rich in lead and zinc from additive degradation. This product is classified under tariff item 2620.21.00 as a leaded gasoline sludge, with zinc as an impurity.
2620.21.00TEL Manufacturing Leaded Residue with Gold
TEL manufacturing leaded residue with gold is a residue from tetraethyllead (TEL) anti-knock compound production, a lead-rich sludge with gold impurities from raw materials. It is classified under tariff item 2620.21.00 as a leaded anti-knock sludge used for industrial metal compound manufacturing.
2620.21.00Tetraethyllead Production Waste Sludge
Waste sludge from tetraethyllead (TEL) synthesis used in leaded anti-knock compounds. With mainly lead content and industrial use, it falls under tariff item 2620.21.00 as leaded anti-knock compound sludge.