Urban Effluent Pre-Treatment Sludge from Mexico
Sludge from physio-chemical pre-treatment stages of municipal sewage, including coagulant precipitates. HTS 3825.20.00.00 per chapter note explicitly naming 'pre-treatment waste' from urban effluent plants as sewage sludge.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit coagulant dosing records and settleability tests; obtain cross-border waste movement consents (Basel Convention); test for heavy metals from industrial contributions in urban mix