Transformer Oil Contaminated with PCBs from Mexico

Used electrical insulating oil from transformers containing polychlorinated biphenyls (PCBs), classified under HTS 3824.82.90.00 as a preparation containing PCBs not elsewhere specified. These oils were historically used for their dielectric properties but are now managed as hazardous waste.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Obtain EPA TSCA approval prior to import; ensure manifests comply with RCRA hazardous waste rules

Verify PCB concentration thresholds; common pitfall is inadequate spill containment certification