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Home › Chapter 38 › Heading 3825

HS Heading 3825 : Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other wastes specified in note 6 to this chapter

HEADING DEFINITION & DISAMBIGUATION

HS Heading 3825 encompasses residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other wastes specified in note 6 to this chapter. It classifies 9 6-digit WCO subheadings within Chapter 38 under the Harmonized System [USITC HTS 2026].

Chapter
Heading
3825
Subheadings
9 HS6
Status
Verified 2026

Subheadings Under Heading 3825

HS Code WCO 6-Digit Subheading Description Chapter Operational Package
3825.10 Municipal waste 38 View 3825.10 Package →
3825.20 Sewage sludge 38 View 3825.20 Package →
3825.30 Clinical waste 38 View 3825.30 Package →
3825.41 Waste organic solvents, Halogenated 38 View 3825.41 Package →
3825.49 Waste organic solvents, Other 38 View 3825.49 Package →
3825.50 Wastes of metal-pickling liquors, hydraulic fluids, brake fluids and anti-freeze fluids 38 View 3825.50 Package →
3825.61 Other wastes from the chemical or allied industries, Mainly containing organic constituents 38 View 3825.61 Package →
3825.69 Other wastes from the chemical or allied industries, Other 38 View 3825.69 Package →
3825.90 Other 38 View 3825.90 Package →
DISAMBIGUATION & CLASSIFICATION GUIDE

How to Select the Correct Subheading Under Heading 3825

Commercial shipments must be declared under the exact 6-digit WCO subheading that matches physical, chemical, or processing characteristics. Review the subheading descriptions above and verify against binding CBP CROSS rulings prior to entry filing.

Official Primary Sources & Authority References

USITC HTS Heading 3825 ↗

United States International Trade Commission official Harmonized Tariff Schedule.

CBP CROSS Rulings ↗

CBP e-Rulings database for Heading 3825 precedent rulings.

WCO Nomenclature ↗

World Customs Organization Harmonized System 2022 nomenclature standard.

U.S. Census Foreign Trade ↗

U.S. Census Bureau HTS-to-NAICS concordance and Schedule B export database.

Heading 3825 Frequently Asked Questions (FAQ)

What commercial articles are grouped under HS Heading 3825?
HS Heading 3825 covers Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other wastes specified in note 6 to this chapter, grouping 9 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 3825?
Subheadings under Heading 3825 range from 3825.11 to 3825.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 3825?
US MFN general duty rates for Heading 3825 commodities range from Duty-Free up to representative ad valorem percentages under the 2026 US HTS.
Are Section 301 tariffs applicable to goods under Heading 3825?
Section 301 additional tariffs depend on the specific 8-digit or 10-digit US HTS code and country of origin (e.g. China Lists 1–4A).
What PGA message set flags apply to Heading 3825?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 3825?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 3825 enter duty-free under USMCA?
Yes. Goods originating in USMCA territories (US, Mexico, Canada) enter duty-free under SPI code P with a valid Certificate of Origin.
What is the Section 321 de minimis limit for Heading 3825?
Eligible import shipments valued at $800 USD or less imported by one person on one day enter duty-free under 19 U.S.C. 1321.
What documents are required for formal customs entry of Heading 3825?
Commercial Invoice, Packing List, Bill of Lading, and CBP Form 7501 are mandatory for entries exceeding $2,500 USD.
How can an importer get a binding CBP classification ruling for Heading 3825?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.