Vanadium Sludge from Oil Refinery Wastewater from Mexico
Settled sludge from oil refinery wastewater treatment bearing vanadium and trace arsenic/metals, not valorized. HTS 2620.99.7520 applies to this unprocessed residue for potential metal/compound manufacture. Complies with chapter exclusion for iron/steel origins.
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
• Include wastewater treatment process descriptions and low metal threshold proofs
• Comply with environmental import regs for sludge; pre-clear with CBP