Refinery Sludge from Leaded Additive Processing Zinc Content from Mexico
Sludge byproduct from petroleum refineries processing leaded anti-knock compounds, containing mainly lead with reportable zinc levels. This product is classified under tariff item 2620.21.00 as a leaded anti-knock compound sludge, with zinc as a secondary component.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the sludge is not mainly petroleum oil, which would be excluded by chapter note 1(c)
• Provide refinery process documentation and metal analysis
• Ensure compliance with Canadian hazardous waste import rules