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2903.82.00.00/Chlordane ISO Reference Substance/Mexico

Chlordane ISO Reference Substance from Mexico

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 — Mexico → United States

15.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Declare as analytical standard to avoid pesticide scrutiny; include certificate of analysis

• Pitfall: exceeding small quantity exemptions triggers full EPA review