Mixed Aldrin-Heptachlor Standard from United States
Analytical standard mixture of aldrin and heptachlor isomers, under tariff item 2903.82.00 per chapter note 1(b) for mixtures of isomers of the same organic compound. Both are named ISO compounds with halogenated cyclanic structures. Used for multi-residue analysis in laboratories.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm that the mixture contains only isomers of aldrin and heptachlor, not a blend of different compounds
• Provide a certificate of analysis to CBSA showing the exact composition
• Check if the product qualifies as a laboratory standard for duty purposes