Refinery Sludge from Leaded Additive Processing Zinc Content from Canada
Sludge byproduct from petroleum refineries processing leaded anti-knock compounds, containing mainly lead with reportable zinc levels. Classified in HTS 2620.21.0030 as leaded anti-knock sludges for use in metal extraction industries.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document chain of custody from refinery to prove non-municipal waste origin
• Report only assay zinc quantity; no deductions allowed per statistical notes