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Harmonized System
Section VI > Chapter 29 > Heading 2903 > 2903.8 > 2903.82
… Aldrin (ISO), chlordane (ISO) and heptachlor (ISO) …
Section VI > Chapter 38 > Heading 3827 > 3827.6
… other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs) …
Section VI > Chapter 38 > Heading 3827 > 3827.1 > 3827.11
… Containing chlorofluorocarbons (CFCs), whether or not containing hydrochlorofluorocarbons (HCFCs), perfluorocarbons (PFCs) or …
Section VI > Chapter 38 > Heading 3827 > 3827.5
… (HFC-23) or perfluorocarbons (PFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs) …
Section VI > Chapter 38 > Heading 3827 > 3827.3
… Containing hydrochlorofluorocarbons (HCFCs), whether or not containing … (PFCs) or hydrofluorocarbons (HFCs), but not containing chlorofluorocarbons (CFCs) …
Section VI > Chapter 28 > Heading 2829 > 2829.1
… Chlorates …
Section VI > Chapter 28 > Heading 2801 > 2801.10
… Chlorine …