Unstabilized Activated Sludge from China
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 — China → United States
20%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
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