> Wood scraps generated from municipal construction and demolition debris processing sites, free of treatments such as paint or preservatives. These scraps are collected from municipal waste streams and are imported for use as biomass fuel or further processing, falling under the definition of municipal waste in Chapter Note 4.

3825.10.00

Municipal Food Waste Digestate

> Anaerobically digested residue from municipal organic waste processing plants, commonly known as digestate. This byproduct of municipal waste treatment is imported for agricultural use as a soil amendment or for energy recovery, fitting the definition of municipal waste under Chapter Note 4.

3825.10.00

Municipal Incinerator Bottom Ash

> Bottom ash residue from municipal waste-to-energy incinerators, a byproduct of burning municipal solid waste. This ash is imported for use in construction aggregates, and is classified as municipal waste under Chapter Note 4, which includes residues from municipal waste treatment.

3825.10.00

Municipal Solid Waste (MSW) Mixed Refuse

> Mixed household and commercial waste collected from urban areas, including paper, plastics, food scraps, and yard waste. This unsorted municipal solid waste is imported for disposal or further processing, and is explicitly covered by the definition of municipal waste in Chapter Note 4.

3825.10.00

Municipal Textile Waste Shreds

> Shredded clothing and fabric scraps from municipal textile recycling drop-off programs. These post-consumer textiles are imported for fiber recovery or waste-to-energy conversion, and are classified as municipal waste under Chapter Note 4, which includes waste collected from households and similar sources.

3825.10.00

Municipal Yard Waste and Green Waste Compost

> Organic waste from municipal leaf and yard collection programs, partially composted. This green waste is imported for further processing into compost or soil products, and falls under municipal waste as defined in Chapter Note 4, which includes waste from households and municipal collection.

3825.10.00

Single-Stream Municipal Recycling Residue

> Residue remaining after sorting from single-stream recycling facilities processing municipal waste. This mixed fraction includes non-recyclable materials and is imported for disposal or energy recovery, classified as municipal waste under Chapter Note 4 as it originates from municipal collection programs.

3825.10.00

Sorted Municipal Paper and Cardboard Waste

> Baled recyclables from curbside collection programs, consisting of newspapers, magazines, and cardboard boxes. These sorted paper and cardboard wastes are imported for recycling, and are classified as municipal waste under Chapter Note 4, which includes waste collected from households and commercial sources.

3825.20.00

Municipal Sewage Sludge

Municipal sewage sludge generated from urban wastewater treatment plants prior to stabilization. This product contains organic matter, pathogens, and solids from household and industrial effluents, and is classified under tariff item 3825.20.00 as sewage sludge per Chapter Note 5.

3825.20.00

Primary Sewage Sludge from Urban Plants

Primary sewage sludge from urban plants, consisting of untreated primary solids settled from municipal wastewater influent. This product is rich in organic and inorganic particulates and falls under tariff item 3825.20.00 as pre-treatment waste from urban effluent treatment plants, as explicitly included in Chapter Note 5.

3825.20.00

Scourings from Sewage Treatment

Scourings from sewage treatment, including grit, rags, and debris removed during preliminary treatment of urban wastewater. This product is covered by tariff item 3825.20.00 under Chapter Note 5, which explicitly includes 'scourings' as part of sewage sludge from effluent plants.

3825.20.00

Unstabilized Activated Sludge

Unstabilized activated sludge from activated aeration basins in municipal sewage treatment, containing microorganisms and unsettled solids. Tariff item 3825.20.00 applies as unstabilized sludge from urban effluent plants, as specified in Chapter Note 5.

3825.20.00

Urban Effluent Pre-Treatment Sludge

Urban effluent pre-treatment sludge from physio-chemical pre-treatment stages of municipal sewage, including coagulant precipitates. Tariff item 3825.20.00 applies per Chapter Note 5, which explicitly names 'pre-treatment waste' from urban effluent plants as sewage sludge.

3825.30.10

Amniocentesis Needle Waste

Amniocentesis needle waste consists of specialized needles used in prenatal diagnostic procedures, contaminated with amniotic fluid containing fetal cells and potential pathogens. This waste falls under tariff item 3825.30.10 as clinical waste arising from medical diagnostic procedures, requiring special disposal due to biological contamination.

3825.30.10

Biohazard Sharps Containers

Biohazard sharps containers are puncture-proof receptacles filled with used needles, scalpels, and broken glass from clinical settings. They qualify as clinical waste under chapter note 6(a) because they contain pathogens from medical procedures and require special disposal, making them classifiable under tariff item 3825.30.10.

3825.30.10

Blood Bag Waste

Blood bag waste comprises empty plastic bags from blood transfusions or collections, containing residual blood and anticoagulants. This material is clinical waste from medical procedures, contaminated with pathogens and pharmaceutical substances, and is classified under tariff item 3825.30.10 as soiled articles from medical treatment.

3825.30.10

Chemotherapy Infusion Waste

Chemotherapy infusion waste includes IV bags, lines, and gloves used during cancer treatment, contaminated with hazardous antineoplastic agents and biological fluids. This waste is clinical waste under chapter note 6(a) due to its origin in medical procedures and the presence of pharmaceutical substances, classifying it under tariff item 3825.30.10.

3825.30.10

Contaminated Dental Burs and Drills

Contaminated dental burs and drills are used rotary instruments exposed to saliva, blood, and oral pathogens during dental procedures. They fall under tariff item 3825.30.10 as clinical waste arising from dental procedures, requiring special disposal due to biological contamination, as specified in chapter note 6(a).

3825.30.10

Endoscopy Biopsy Waste

Endoscopy biopsy waste consists of tissue samples and channel cleaning waste from gastrointestinal endoscopies, contaminated with GI pathogens. This waste is clinical waste under chapter note 6(a) as it arises from medical diagnostic procedures and requires special disposal, classifying it under tariff item 3825.30.10.

3825.30.10

Infected Dialysis Waste

Infected dialysis waste includes tubing, filters, and bags contaminated with blood and dialysate from hemodialysis treatments. This waste is clinical waste under chapter note 6(a) due to its origin in medical procedures and contamination with pathogens, classifying it under tariff item 3825.30.10 as soiled articles from medical treatment.

3825.30.10

Lab Culture Waste

Lab culture waste comprises petri dishes and tubes containing bacterial or viral cultures from medical research or diagnosis. It qualifies as clinical waste under chapter note 6(a) because it arises from medical procedures and contains pathogens, classifying it under tariff item 3825.30.10.

3825.30.10

Pathogen-Contaminated Swabs

Pathogen-contaminated swabs are cotton-tipped applicators used for viral sampling, such as COVID tests, saturated with respiratory secretions. They fall under tariff item 3825.30.10 as clinical waste from diagnostic medical procedures, containing pathogens and requiring special disposal per chapter note 6(a).

3825.30.10

Surgical Sponge Waste

Surgical sponge waste consists of cellulose sponges used intraoperatively, soaked in blood and debris. This waste is clinical waste under chapter note 6(a) as it arises from surgical procedures and contains pathogens, classifying it under tariff item 3825.30.10 as soiled articles from medical treatment.

3825.30.10

Used IV Catheter Assemblies

Used IV catheter assemblies are intravenous catheters and tubing discarded after patient infusion therapy, contaminated with blood and drugs. They fall under tariff item 3825.30.10 as clinical waste from medical treatment, containing pathogens and pharmaceutical substances, requiring special disposal per chapter note 6(a).

3825.30.10

Used Surgical Syringes

Used surgical syringes are disposable syringes contaminated with blood and bodily fluids from surgical procedures. They are clinical waste under chapter note 6(a) as they arise from medical treatment and contain pathogens, classifying them under tariff item 3825.30.10 as syringes from medical procedures.

3825.30.20

Contaminated Latex Exam Gloves

Disposable latex or nitrile gloves used in patient examinations, soiled with bodily fluids and potentially contaminated with pathogens. They are classified as clinical waste from medical procedures, requiring special disposal due to potential biohazard exposure.

3825.30.20

Soiled Surgical Dressings

Bandages, gauze, and similar dressings saturated with blood, pus, or exudates from wound care or surgical procedures. These are contaminated clinical waste requiring special disposal, as defined in chapter note 6(a).

3825.30.20

Veterinary Clinical Sharps

Needles and syringes used in veterinary treatments, contaminated with animal blood, pharmaceuticals, or biological matter. These are clinical waste from veterinary procedures, as specified in chapter note 6(a), requiring special disposal.

3825.41.00

Chlorinated Rubber Solvent Waste

> Waste solvent from chlorinated rubber coating cleanup containing a blend of perchloroethylene and trichloroethylene. This material is a halogenated waste organic solvent, no longer fit for its original use, and falls under tariff item 3825.41.00 as a residual product of the chemical or allied industries.

3825.41.00

Contaminated Freon TF Solvent Waste

> Contaminated HCFC-113 (Freon TF) from vapor degreasing of aerospace components, contaminated beyond reuse specifications. This halogenated waste organic solvent is unfit for further use as presented and is classified under tariff item 3825.41.00.

3825.41.00

Halogenated Adhesive Remover Waste

> Spent n-propyl bromide adhesive remover from electronics assembly, contaminated and no longer suitable for its original purpose. This halogenated waste organic solvent falls under tariff item 3825.41.00 as a residual product of chemical industries.

3825.41.00

Halogenated Brake Cleaning Waste

> Spent halogenated solvent from automotive brake cleaning operations, containing chlorinated compounds and no longer suitable for use. This waste is classified under tariff item 3825.41.00 as a halogenated waste organic solvent, per Chapter 38 Note 6(b).

3825.41.00

Halogenated Dry Cleaning Solvent Waste

> Waste perchloroethylene (PCE) from commercial dry cleaning operations, contaminated and unsuitable for direct reuse. This halogenated waste organic solvent is classified under tariff item 3825.41.00 as a residual product of chemical industries.

3825.41.00

Halogenated Metal Pickling Liquor

> Waste solvent mixture from steel pickling containing hydrochloric acid and chlorinated solvents, unfit for further use without treatment. This halogenated waste organic solvent falls under tariff item 3825.41.00, as it is a residual product of chemical industries.

3825.41.00

Halogenated Paint Thinner Waste

> Contaminated waste from paint manufacturing containing methylene chloride and other halogenated solvents, no longer suitable for use. This halogenated waste organic solvent is classified under tariff item 3825.41.00 as a residual product of chemical industries.

3825.41.00

Halogenated Printing Ink Solvent Waste

> Waste solvents from flexographic printing cleanup containing chlorinated solvents, unfit for reuse. This halogenated waste organic solvent falls under tariff item 3825.41.00 as a residual product of chemical industries.

3825.41.00

Halogenated Vapor Degreasing Waste

> Mixed halogenated solvents from vapor degreasing still bottoms in metalworking, containing TCE and methylene chloride. This waste organic solvent is halogenated and unfit for further use, classified under tariff item 3825.41.00.

3825.41.00

Spent Halogenated Extraction Solvent

> Waste dichloromethane from natural product extraction in food/pharma industry, contaminated with extractables. This halogenated waste organic solvent is unfit for further use as presented and falls under tariff item 3825.41.00.

3825.41.00

Used Methylene Chloride Degreaser

> Spent methylene chloride-based degreaser from electronics manufacturing cleanup, unfit for reuse without recovery processing. This halogenated waste organic solvent is classified under tariff item 3825.41.00.

3825.41.00

Waste 1,1,1-Trichloroethane Degreaser

> Spent 1,1,1-trichloroethane (methyl chloroform) from precision parts cleaning, no longer viable for direct application. This halogenated waste organic solvent is classified under tariff item 3825.41.00 per Chapter 38 Note 6(b).

3825.41.00

Waste Carbon Tetrachloride Solvent

> Contaminated carbon tetrachloride from pharmaceutical extraction processes, unfit for primary use. This toxic halogenated waste organic solvent falls under tariff item 3825.41.00 as a residual product of chemical industries.

3825.41.00

Waste Halogenated Refrigerant Flush

> Contaminated HCFC flush solvent from HVAC system servicing, halogenated and waste per Chapter 38 Note 6(b). This waste organic solvent is unfit for further use and classified under tariff item 3825.41.00.

3825.41.00

Waste Trichloroethylene Solvent

> Halogenated waste organic solvent primarily consisting of trichloroethylene (TCE), unfit for further use as a primary product, arising from degreasing operations in metal fabrication. This waste falls under tariff item 3825.41.00.

3825.49.00

Clinical Solvent Waste Mixture

This is a mixture of organic solvents, such as acetone and ethanol, collected from hospital laboratory extractions. It is contaminated with pathogens and is considered clinical waste as defined in Note 6(a) to Chapter 38. Because it contains waste organic solvents and is not excluded by the chapter notes, it falls under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Contaminated Brake Fluid Waste

This is waste brake fluid, specifically DOT 3/4 glycol ether-based, from automotive service centers, contaminated with water. Note 6(c) to Chapter 38 explicitly includes waste brake fluids under heading 38.25. As it is not excluded by other notes, it is classified under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Contaminated Ethanol Printing Waste

This is denatured ethanol waste from flexographic printing presses, contaminated with inks and unfit for use as presented. Chapter Note 6(b) defines waste organic solvents as those not fit for further use as primary products. It is not excluded by any other note, so it falls under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Mixed Printing Ink Solvent Waste

This is a mixture of isopropanol and ethyl acetate waste from gravure printing cleanup, contaminated with inks. It qualifies as waste organic solvents from allied industries under Note 6(b) to Chapter 38. As it is not excluded by other notes, it is classified under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Spent Acetone Cleaning Solvent

This is spent acetone from electronics manufacturing cleanrooms, contaminated with residues and unfit for direct reuse. It is a waste organic solvent as defined in Note 6(b) to Chapter 38. Since it is not excluded by other notes, it falls under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Spent Metal Pickling Liquor

This is hydrochloric acid-based pickling liquor waste from steel derusting, contaminated with iron. Note 6(c) to Chapter 38 explicitly includes wastes of metal pickling liquors under heading 38.25. As it is not excluded by other notes, it is classified under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Spent NMP Electronics Stripper

This is N-Methyl-2-pyrrolidone (NMP) waste from photoresist stripping in semiconductor fabs, highly contaminated. It is a waste organic solvent as defined in Note 6(b) to Chapter 38. Since it is not excluded by other notes, it falls under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Used MEK Paint Thinner Waste

This is methyl ethyl ketone (MEK) waste from automotive refinishing shops, laden with paint solids. It qualifies as waste organic solvents under Note 6(b) to Chapter 38. As it is not excluded by other notes, it is classified under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Used THF Adhesive Solvent Waste

This is tetrahydrofuran (THF) waste from polyurethane adhesive mixing, peroxide-contaminated and reactive. It is a waste organic solvent as defined in Note 6(b) to Chapter 38. Since it is not excluded by other notes, it falls under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Waste Antifreeze Coolant

This is ethylene glycol-based antifreeze waste from fleet maintenance, contaminated with metals and inhibitors. Note 6(c) to Chapter 38 explicitly includes waste anti-freezing fluids under heading 38.25. As it is not excluded by other notes, it is classified under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Waste DMF Fiber Spinning Solvent

This is dimethylformamide (DMF) recovered from acrylic fiber spinning baths, containing oligomers. It is a waste organic solvent as defined in Note 6(b) to Chapter 38. Since it is not excluded by other notes, it falls under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Waste Hydraulic Fluid

This is synthetic polyalphaolefin hydraulic fluid waste from industrial presses, oxidized beyond reuse. Note 6(c) to Chapter 38 explicitly includes waste hydraulic fluids under heading 38.25. As it is not excluded by other notes, it is classified under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Waste Isopropanol from Pharma Production

This is contaminated isopropanol (IPA) from pharmaceutical tablet coating processes, no longer viable as a primary solvent. It is a waste organic solvent as defined in Note 6(b) to Chapter 38. Since it is not excluded by other notes, it falls under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Waste Toluene Solvent

This is contaminated toluene recovered from industrial painting operations, no longer fit for use as a primary solvent product. It is a waste organic solvent as defined in Note 6(b) to Chapter 38. As it is not excluded by other notes, it is classified under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.49.00

Waste Xylene from Coatings Manufacture

This is mixed xylene isomers waste from alkyd resin production, containing reaction byproducts. It is a waste organic solvent as defined in Note 6(b) to Chapter 38. Since it is not excluded by other notes, it falls under tariff item 3825.49.00 as 'Other' waste organic solvents.

3825.50.00

Aircraft Brake Fluid Waste

Waste synthetic hydraulic fluid (MIL-PRF-83282) drained from aircraft brake systems during maintenance, contaminated with particulates and moisture. This product is a waste of hydraulic fluids as specified in Chapter Note 6(d) of Chapter 38, and is not fit for further use as a primary product.

3825.50.00

Biodegradable Hydraulic Fluid Waste

Spent vegetable oil-based hydraulic fluid from environmentally sensitive equipment, emulsified with water and no longer suitable for lubrication. This product is a waste of hydraulic fluids under Chapter Note 6(d) of Chapter 38, regardless of its biodegradable base.