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
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Declare as analytical standard to avoid pesticide scrutiny; include certificate of analysis
• Pitfall: exceeding small quantity exemptions triggers full EPA review