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HTS 2621Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste

Product or HTS code

Rate lines2

Code	Description	General	Special	Column 2	Units	Calculate
2621.10.00.00	2621.10.00.00Ash and residues from the incineration of municipal wasteGeneral Free · Column 2 Free · t	Free		Free	t
2621.90.00.00	2621.90.00.00OtherGeneral Free · Column 2 Free · t	Free		Free	t

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Canada33.47% of imports	Türkiye29.29% of imports	China15.18% of imports	Japan6.12% of imports	New Caledonia3.33% of imports	India3.23% of imports	Spain2.06% of imports	Mexico1.89% of imports	Guyana1.7% of imports	Netherlands0.66% of imports
2621.10.00.00Ash and residues from the incineration of municipal waste	10%9903.05.29	12.5%9903.05.79	20%9903.05.319903.88.15	12.5%9903.05.49	0%	10%9903.05.44	10%9903.05.39	10%9903.05.55	12.5%9903.05.41	10%9903.05.39
2621.90.00.00Other	10%9903.05.29	12.5%9903.05.79	37.5%9903.05.319903.88.03	12.5%9903.05.49	0%	10%9903.05.44	10%9903.05.39	10%9903.05.55	12.5%9903.05.41	10%9903.05.39

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).