Marine Engine Antifreeze Waste from Mexico
Used extended-life coolant from marine diesel engines, contaminated with seawater and cylinder liner corrosion products. HTS 3825.50.00.00 for anti-freeze wastes, chapter note 6(d). Saltwater contamination accelerates degradation.
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
• Test salinity and corrosion inhibitor depletion
• MARPOL Annex V compliance for ship-generated wastes
• Segregate from bilge water containing petroleum