Containing short-chain chlorinated paraffins

3824.82.00Containing polychlorinated biphenyls (PCBs), polychlorinated terphenyls (PCTs) or polybrominated biphenyls (PBBs)

3824.83.00Containing tris(2,3-dibromopropyl) phosphate

3824.84.00Containing aldrin (ISO), camphechlor (ISO) (toxaphene), chlordane (ISO), chlordecone (ISO), DDT (ISO) (clofenotane (INN), 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane), dieldrin (ISO, INN), endosulfan (ISO), endrin (ISO), heptachlor (ISO) or mirex (ISO)

3824.85.00Containing 1,2,3,4,5,6-hexachlorocyclohexane (HCH (ISO)), including lindane (ISO, INN)

3824.86.00Containing pentachlorobenzene (ISO) or hexachlorobenzene (ISO)

3824.87.00Containing perfluorooctane sulphonic acid, its salts, perfluorooctane sulphonamides, or perfluorooctane sulphonyl fluoride

3824.88.00Containing tetra-, penta-, hexa-, hepta- or octabromodiphenyl ethers

3824.89Containing short-chain chlorinated paraffins

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Products classified under Tariff item 3824.8

Ethylene Oxide Contaminated Industrial Solvent Mixture

A waste solvent blend from chemical manufacturing containing oxirane (ethylene oxide) as a residual contaminant above threshold levels. This mixture falls under tariff item 3824.81.00 because subheading note 3 to Chapter 38 specifically covers mixtures and preparations containing oxirane (ethylene oxide). The presence of ethylene oxide as a contaminant triggers classification here, provided the product is not a separate chemically defined compound.

Ethylene Oxide Spiked Paint Stripper Preparation

A chemical paint stripping mixture contaminated during production with oxirane (ethylene oxide) from facility cross-contamination. This preparation falls under tariff item 3824.81.00 because subheading note 3 to Chapter 38 covers mixtures and preparations containing oxirane (ethylene oxide). The product is a mixture of chemicals, not a separate chemically defined compound, and is used in aerospace maintenance applications.

Gas Sterilization Process Oxirane Contaminated Sludge

Sludge byproduct from ethylene oxide gas sterilization systems in pharmaceutical plants, containing dissolved oxirane. This hazardous mixture falls under tariff item 3824.81.00 because subheading note 3 to Chapter 38 covers mixtures and preparations containing oxirane (ethylene oxide). The sludge is a byproduct of sterilization processes and requires incineration due to its hazardous nature.

Industrial Adhesive Waste with Ethylene Oxide Additive

Spent adhesive formulations from manufacturing containing oxirane (ethylene oxide) as a polymerizing agent residue. This mixture falls under tariff item 3824.81.00 because subheading note 3 to Chapter 38 covers mixtures and preparations containing oxirane (ethylene oxide). The product is a waste adhesive mixture that retains ethylene oxide content and is recycled in industrial processes.

Medical Gas Cylinder Ethylene Oxide Residue Solution

Rinse solution from cleaning ethylene oxide medical gas cylinders, retaining hazardous oxirane concentrations. This solution falls under tariff item 3824.81.00 because subheading note 3 to Chapter 38 covers mixtures and preparations containing oxirane (ethylene oxide). The product is generated during equipment maintenance and contains dissolved ethylene oxide residues.

Oxirane-Laden Chemical Cleaning Preparation Waste

Residual preparation from industrial cleaning operations contaminated with oxirane (ethylene oxide) from sterilization processes. This mixture falls under tariff item 3824.81.00 because subheading note 3 to Chapter 38 covers mixtures and preparations containing oxirane (ethylene oxide). The product is a waste preparation from cleaning operations and contains ethylene oxide as a contaminant.

Polymer Processing Oxirane Contamination Waste

Waste from polyethylene oxide production lines contaminated with unreacted oxirane monomer. This mixture falls under tariff item 3824.81.00 because subheading note 3 to Chapter 38 covers mixtures and preparations containing oxirane (ethylene oxide). The product is a byproduct of plastics manufacturing and contains residual ethylene oxide.

Sterilization Chamber Ethylene Oxide Residue Mixture

Contaminated absorbent materials and rinse solutions from medical device sterilization chambers containing oxirane residues. This mixture falls under tariff item 3824.81.00 because subheading note 3 to Chapter 38 covers mixtures and preparations containing oxirane (ethylene oxide). The product is a byproduct of sterilization processes and contains ethylene oxide as a contaminant.

Aroclor 1260 PCB Transformer Oil Mixture

Aroclor 1260 is a commercial mixture of polychlorinated biphenyls (PCBs) used historically as a dielectric fluid and coolant in electrical transformers. This preparation contains PCBs and falls under tariff item 3824.82.00, which covers mixtures containing PCBs, PCTs, or PBBs as specified in Subheading Note 3 to Chapter 38.

Askarel PCB Electrical Insulating Liquid

Askarel is a trade term for PCB-based dielectric fluids used in circuit breakers and switches. This chlorinated-only preparation contains PCBs and is classifiable under tariff item 3824.82.00, which covers mixtures containing PCBs as per Subheading Note 3 to Chapter 38.

Clofen A60 PCB Contaminated Cutting Oil

Industrial cutting oil contaminated with Clofen A60 PCB during machining operations. The PCB content qualifies this preparation for tariff item 3824.82.00, which covers mixtures containing PCBs as specified in Subheading Note 3 to Chapter 38.

Clophen A60 PCB Hydraulic Fluid Preparation

Clophen A60, a 60% chlorinated biphenyl mixture, was used in hydraulic systems and heat transfer applications. This preparation is chlorinated only and contains PCBs as specified in Subheading Note 3, making it classifiable under tariff item 3824.82.00.

Delor 106 PCB Plasticizer Mixture

Delor 106, a hexa-chlorinated biphenyl commercial mixture, was used as a plasticizer in PVC formulations. This chlorinated PCB preparation is classifiable under tariff item 3824.82.00 following Subheading Note 3 specifications.

Electrical Equipment PCB Rinse Solution

Aqueous rinse solution containing trace PCBs from cleaning old electrical switchgear. This preparation falls under tariff item 3824.82.00 for PCB-containing preparations, essential for remediation of legacy contaminated equipment.

Industrial Capacitor PCB Decontamination Fluid

Specialized solvent mixture containing PCBs used for cleaning decommissioned electrical capacitors. This preparation falls under tariff item 3824.82.00 due to PCB content as per Subheading Note 3, handled under strict regulatory controls.

Kanechlor KC-600 PCB Dielectric Fluid

Kanechlor KC-600 is a Japanese-manufactured PCB congener mixture (hexa-deca chlorinated biphenyls) used in capacitors and electrical equipment. It is classified under tariff item 3824.82.00 as a chlorinated PCB preparation without other halogenation.

Mixed PCB/PBB Transformer Coolant

Cooling fluid from transformers containing both PCBs and PBBs, classified under tariff item 3824.82.00 as a preparation with these substances. Common in older electrical infrastructure maintenance.

PBB-Contaminated Paint Additive Waste

Waste paint formulation containing polybrominated biphenyls (PBBs) as a fire retardant, falling under tariff item 3824.82.00 per Subheading Note 3. Legacy use in industrial coatings requires special disposal.

PBB Fire Retardant Chemical Mixture

Mixture containing polybrominated biphenyls (PBBs) used as a flame retardant additive in plastics production, under tariff item 3824.82.00 per Subheading Note 3. These are legacy chemicals phased out but still appear in waste streams.

PCB-153 Technical Grade Contaminated Solvent

Technical grade preparation contaminated with hexachlorobiphenyl (PCB-153) congener, used in solvent recovery operations. The chlorinated PCB content qualifies this preparation under Subheading Note 3 for tariff item 3824.82.00.

PCB Aroclor 1254 Contaminated Paint Sludge

Waste paint sludge containing Aroclor 1254 (penta-chlorobiphenyl) from surface coating operations. This preparation meets the criteria for tariff item 3824.82.00 as a chlorinated PCB preparation under Subheading Note 3.

PCB-Contaminated Hydraulic Fluid Waste

Waste hydraulic fluid from industrial machinery tainted with polychlorinated biphenyls (PCBs), captured under tariff item 3824.82.00 as a mixture containing PCBs. Used in heavy equipment but now regulated as hazardous due to its PCB content, this product is subject to strict import controls under the Canadian Environmental Protection Act.

PCT-Contaminated Plasticizer Preparation

Industrial plasticizer blend contaminated with polychlorinated terphenyls (PCTs), classified under tariff item 3824.82.00 as a preparation containing PCTs. Used in cable insulation manufacturing but now strictly controlled, this product requires special handling and import authorization.

PCT Electrical Insulating Compound

Compounded insulating material containing polychlorinated terphenyls (PCTs) for high-voltage applications, classified under tariff item 3824.82.00. Phased-out substance still found in remediation wastes, this material is regulated due to its persistence and toxicity.

Phenoclor DP6 PCB Paint Additive Mixture

Phenoclor DP6 PCB mixture used as a plasticizer and fire retardant in paints and coatings. It contains only chlorinated biphenyls without other halogens, classified under tariff item 3824.82.00 per Subheading Note 3 requirements.

Sovol PCB Heat Transfer Fluid

Sovol trichlorobiphenyl mixture used in closed-loop heat transfer systems in industrial processes. It contains PCBs with chlorination only, classified under tariff item 3824.82.00 per Subheading Note 3.

Transformer Oil Contaminated with PCBs

Used electrical insulating oil from transformers containing polychlorinated biphenyls (PCBs), classified under tariff item 3824.82.00 as a preparation containing PCBs not elsewhere specified. These oils were historically used in transformers and are now hazardous waste requiring controlled disposal.

Circuit Board Flame Retardant Resin Additive Tris Phosphate

A specialty resin modifier containing tris(2,3-dibromopropyl) phosphate, used in epoxy laminates for printed circuit boards. This preparation falls under tariff item 3824.83.00 as it is a chemical product of the chemical or allied industries containing a substance specifically listed in Subheading Note 3 to Chapter 38.

Industrial Paint Flame Retardant Additive Tris Phosphate Blend

A viscous blend containing tris(2,3-dibromopropyl) phosphate, designed for incorporation into intumescent coatings for steel structures. This preparation is classified under tariff item 3824.83.00 because it is a chemical product containing a substance listed in Subheading Note 3 to Chapter 38.

Polyurethane Foam Flame Retardant Additive with Tris Phosphate

A liquid additive concentrate containing tris(2,3-dibromopropyl) phosphate, used in the manufacture of flexible polyurethane foams for furniture and automotive seating. This preparation falls under tariff item 3824.83.00 as it contains a substance specifically listed in Subheading Note 3 to Chapter 38.

Textile Flame Retardant Finishing Concentrate Tris Phosphate

An aqueous concentrate containing tris(2,3-dibromopropyl) phosphate, applied by spray or dip to cotton upholstery fabrics for flame retardancy. This preparation is classified under tariff item 3824.83.00 because it contains a substance listed in Subheading Note 3 to Chapter 38.

Tris(2,3-Dibromopropyl) Phosphate Flame Retardant Mixture

A chemical preparation containing tris(2,3-dibromopropyl) phosphate, used as a flame retardant additive in plastics and textiles. This mixture falls under tariff item 3824.83.00 as it is specifically listed in Subheading Note 3 to Chapter 38.

Chlordane Contaminated Solvent Blend

An industrial solvent mixture contaminated with chlordane (ISO), a chlorinated insecticide, arising from pesticide manufacturing cleanup operations. This preparation is classified under tariff item 3824.84.00 because it contains chlordane, one of the substances specifically listed in Subheading Note 3 to Chapter 38.

Chlordecone Contaminated Process Material

A chemical preparation contaminated with chlordecone (ISO, kepone), a banned cyclodiene insecticide, from legacy production sites. This product falls under tariff item 3824.84.00 as it contains chlordecone, explicitly listed in Subheading Note 3 to Chapter 38.

DDT Waste Mixture

A hazardous waste preparation containing DDT (1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane) as the primary persistent organic pollutant, mixed with solvents and stabilizers from pesticide production. This product is classified under tariff item 3824.84.00 because DDT is one of the substances named in Subheading Note 3 to Chapter 38.

Dieldrin Contaminated Industrial Mixture

A chemical preparation from dieldrin (ISO, INN) manufacturing waste, containing the cyclodiene insecticide in emulsifiable concentrate form. This product meets the criteria for tariff item 3824.84.00 as a mixture with dieldrin, one of the designated substances in Subheading Note 3.

Endosulfan Production Residue

A residue mixture from endosulfan (ISO) synthesis containing the pesticide along with reaction byproducts and carriers. This preparation is specifically covered by tariff item 3824.84.00 as it includes endosulfan, one of the substances listed in Subheading Note 3 to Chapter 38.

Endrin Manufacturing Byproduct Mixture

A byproduct stream from endrin (ISO) synthesis containing the organochlorine pesticide with purification solvents. This product is classified under tariff item 3824.84.00 as it contains endrin, listed in Subheading Note 3 for persistent organic pollutants.

Heptachlor Cleanup Waste Preparation

A prepared waste from equipment decontamination containing heptachlor (ISO) dissolved in organic solvents. This product is classified in tariff item 3824.84.00 because it contains heptachlor, explicitly listed among the persistent organic pollutants in Subheading Note 3.

Mirex Hazardous Waste Formulation

A mixture containing mirex (ISO), a chlorinated hydrocarbon pesticide, in dustable powder form with inert carriers. This product is covered by tariff item 3824.84.00 under Subheading Note 3, which specifically lists mirex among regulated persistent organic pollutants.

Toxaphene (Camphechlor) Process Waste

A waste preparation from toxaphene (camphechlor ISO) production containing the complex mixture of chlorinated camphenes. This product qualifies for tariff item 3824.84.00 classification since toxaphene is explicitly named in Subheading Note 3 to Chapter 38.

HCH Agricultural Insecticide Emulsion

An emulsifiable concentrate insecticide containing lindane (HCH) as the active ingredient, formulated for foliar and soil application on crops to control rootworms and cutworms. This product falls under tariff item 3824.85.00 because it is a chemical preparation containing 1,2,3,4,5,6-hexachlorocyclohexane (HCH), including lindane, as specified in Subheading Note 3 to Chapter 38.

HCH-Containing Termiticide Concentrate

A concentrated termiticide preparation containing hexachlorocyclohexane (HCH) for soil injection around structures to control termites. It is classified under tariff item 3824.85.00 because it is a chemical preparation containing HCH, including lindane, as specified in Subheading Note 3 to Chapter 38.

HCH-Contaminated Waste Treatment Agent

A specialty chemical preparation containing lindane (HCH) used to remediate industrial sites polluted with hexachlorocyclohexane. It is classified under tariff item 3824.85.00 because it is a mixture or preparation containing HCH, as specified in Subheading Note 3 to Chapter 38. This product is not a separate chemically defined compound, so it falls within the scope of Chapter 38.

HCH Lawn and Garden Pest Control Spray

A ready-to-use spray containing lindane for controlling insects in home gardens, such as grubs and ants. It is classified under tariff item 3824.85.00 because it is a preparation containing HCH (lindane) as specified in Subheading Note 3 to Chapter 38. The product is put up for retail sale, but since it is not a medicament or a product of heading 38.08, it remains in this heading.

Lindane Seed Treatment Preparation

A chemical mixture for treating seeds against soil pests, containing lindane as the active HCH component. This product is classified under tariff item 3824.85.00 because it is a preparation containing 1,2,3,4,5,6-hexachlorocyclohexane (HCH), including lindane, as specified in Subheading Note 3 to Chapter 38.

Lindane Soil Fumigant Mixture

A pesticide preparation containing lindane (1,2,3,4,5,6-hexachlorocyclohexane) used for soil treatment to control insects in agriculture. It falls under tariff item 3824.85.00 as a chemical mixture specified in Subheading Note 3 to Chapter 38, which covers preparations containing HCH including lindane.

Lindane Veterinary Ectoparasiticide Mix

A preparation containing lindane used as a pour-on or dip to treat livestock for lice and mites. It is classified under tariff item 3824.85.00 because it is a mixture containing HCH (lindane) as per Subheading Note 3 to Chapter 38. Although used in animal health, it is not a medicament of heading 30.03 or 30.04, so it remains in this heading.

Lindane Wood Preservative Solution

An aqueous solution containing HCH/lindane for protecting timber from termites and fungi. This product is classified under tariff item 3824.85.00 because it is a chemical preparation containing 1,2,3,4,5,6-hexachlorocyclohexane (HCH), including lindane, as specified in Subheading Note 3 to Chapter 38.

HCB/PeCB Mixed Legacy Pesticide Waste Blend

> This blended waste from dismantled pesticide storage contains both hexachlorobenzene (HCB) and pentachlorobenzene (PeCB), two substances explicitly listed in Subheading Note 3 to Chapter 38. As a mixture or preparation containing these restricted chemicals, it is classified under tariff item 3824.86.00. The product is intended for disposal through incineration or specialized treatment, not for any commercial use.

Hexachlorobenzene Contaminated Industrial Solvent Mixture

> This industrial solvent mixture contains hexachlorobenzene (HCB) as a contaminant above regulatory thresholds, making it a preparation containing a substance listed in Subheading Note 3 to Chapter 38. It is used in industrial cleaning processes and is classified under tariff item 3824.86.00 because it is a mixture of chemicals not elsewhere specified, containing HCB.

Hexachlorobenzene Soil Remediation Absorbent Mixture

> This specialty absorbent preparation is designed for treating soil contaminated with hexachlorobenzene (HCB) during environmental remediation. As a chemical mixture containing HCB, a substance listed in Subheading Note 3 to Chapter 38, it is classified under tariff item 3824.86.00. The product is formulated for use in cleanup operations and is not a separate chemically defined compound.

Pentachlorobenzene Fungicide Waste Preparation

> This residue from obsolete fungicide production contains pentachlorobenzene (PeCB) as the active restricted substance. It is a waste preparation that falls under tariff item 3824.86.00 because it is a mixture containing PeCB, a substance listed in Subheading Note 3 to Chapter 38. The product is intended for disposal or further treatment, not for use as a fungicide.

Pentachlorobenzene Transformer Fluid Decontamination Prep

> This chemical preparation is used to decontaminate electrical transformer fluids that are contaminated with pentachlorobenzene (PeCB). It falls under tariff item 3824.86.00 as a mixture containing PeCB, a substance listed in Subheading Note 3 to Chapter 38. The product is designed for utility maintenance and is not a separate chemically defined compound.

PFOS Aviation Fuel Additive

A specialty chemical additive containing perfluorooctane sulfonic acid (PFOS), used in aviation fuel systems for anti-icing and corrosion protection. It is a mixture or preparation that falls under tariff item 3824.87.00 because it contains a substance specified in Subheading Note 3 to Chapter 38.

PFOS Carpet Protector Chemical

A spray-on carpet treatment containing perfluorooctane sulfonic acid, designed to provide stain and soil resistance for commercial flooring. This preparation is classified under 3824.87.00 because it is a mixture containing a PFOS substance listed in Subheading Note 3 to Chapter 38.

PFOS Circuit Board Coating

A conformal coating containing perfluorooctane sulfonamide, used to protect electronic circuit boards from moisture and corrosion. It is a chemical preparation that falls under 3824.87.00 because it contains a PFOS substance specified in Subheading Note 3 to Chapter 38.

PFOS Firefighting Foam Concentrate

An aqueous film-forming foam (AFFF) concentrate containing perfluorooctane sulfonic acid, used for fire suppression on hydrocarbon fuels. This preparation is classified under 3824.87.00 because it contains a PFOS substance listed in Subheading Note 3 to Chapter 38.

PFOS Industrial Metal Cleaning Solution

An aqueous cleaning preparation containing perfluorooctane sulfonyl fluoride, used for degreasing metal surfaces in manufacturing. It is a mixture that falls under 3824.87.00 because it contains a PFOS substance specified in Subheading Note 3 to Chapter 38.