Unstabilized Activated Sludge from Canada
Biological sludge from activated aeration basins in municipal sewage treatment, containing microorganisms and unsettled solids. HTS 3825.20.00.00 applies as unstabilized sludge from urban effluent plants per chapter note, prior to any stabilization for land application.
Duty Rate — Canada → United States
60%
Rate breakdown
9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
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
• Include microbial activity and stabilization status lab reports; secure waste management facility acceptance letters pre-import; monitor moisture content to prevent spontaneous combustion during transit