Chlordane ISO Reference Substance from Canada
Pure chlordane ISO reference substance for calibration in pesticide residue analysis, directly under HTS 2903.82.00.00. As a chemically defined halogenated cycloterpenic hydrocarbon, it fits chapter exclusions and specific naming. Used in environmental testing labs.
Duty Rate — Canada → United States
15.5%
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
• Declare as analytical standard to avoid pesticide scrutiny; include certificate of analysis
• Pitfall: exceeding small quantity exemptions triggers full EPA review