Municipal Sewage Sludge Incineration Ash from Canada
Ash residue from incinerating municipal sewage sludge, rich in phosphorus and metals. It qualifies for HTS 2621.10.00.00 as a residue from municipal waste incineration, distinct from industrial process slags.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify sludge as 'municipal waste' via wastewater treatment plant certification
• Include pathogen and nutrient analysis reports for agricultural reuse approvals
• Beware moisture content affecting weight declarations; dry basis reporting may apply