Mixed PCB/PBB Transformer Coolant from Mexico
Cooling fluid from transformers containing both PCBs and PBBs, classified under HTS 3824.82.90.00 as 'other' preparations with these substances. Common in older electrical infrastructure maintenance.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Disclose all halogenated compounds; secure EPA negative declaration if <50ppm
• Pitfall: Incomplete lab analysis reports