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HSChapter 29
U.S. exports of aldrin, chlordane, and heptachlor (HS 290382) totaled $35K in June 2026, traded with 2 countries.
Aldrin, chlordane, and heptachlor are cyclodiene organochlorine insecticides listed under Annex A of the Stockholm Convention for elimination, meaning their production and use are banned except for narrowly defined exemptions such as termite control in structures where no technically feasible alternatives exist. Classified together under 2903820000, these compounds are rarely traded commercially; Switzerland, Canada, and India appear as suppliers, likely reflecting research-grade or reference-standard quantities rather than bulk pesticide trade. Any import into the US requires EPA review, and the extremely limited permissible end uses mean most shipments involve analytical or reference material.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
EPA cancelled the registrations for aldrin, chlordane, and heptachlor decades ago. Imports are effectively limited to research quantities, certified reference standards for laboratory analysis, or material destined for disposal. Any commercial-scale import would require EPA authorization and would face significant regulatory scrutiny under both TSCA and the Stockholm Convention framework.
Because these substances are banned pesticides under both US law and the Stockholm Convention, CBP and EPA coordinate to screen entries. A shipment lacking clear documentation of a qualifying end use — such as an analytical reference standard certificate — is likely to be detained for EPA review. Brokers should ensure the commercial invoice and entry documents explicitly state the intended use and the importing entity's regulatory authorization.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| COLOMBIA | -- | $31K | +$31K |
| MEXICO | -- | $4K | +$4K |
| JAPAN | -- | -- | -- |
| SWITZERLAND | -- | -- | -- |
| CANADA | -- | -- | -- |
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share |
|---|---|---|---|---|
| 2903820000 | ALDRIN (ISO), CHLORDANE (ISO), & HEPTACHLOR (ISO) | $0 | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2903820000 | ALDRIN (ISO), CHLORDANE (ISO), & HEPTACHLOR (ISO) | $35K |
NUCLEIC ACIDS & SALTS; OTHER HETEROCYCLIC CMP, NES
HS 293499
POLYPEPTIDE PROTEIN& GLYCOPROTEIN HORMONES &DERIV
HS 293719
CMPDS CONT AN UNFUSED PYRIDINE RING ETC NESOI
HS 293339
BENZENE
HS 290220
HETEROCYCLIC COMP W NITROGEN HETERO-ATM ONLY NESOI
HS 293399
HETEROCYCLIC COMP WITH UNFUSED PYRAZOLE RING NESOI
HS 293319
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | -- | $35K | +$35K |
| Wisconsin | -- | -- | -- |
| New Hampshire | -- | -- | -- |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | -- | $31K | +$31K |
| BROWNSVILLE, TX | -- | $4K | +$4K |
| NEW ORLEANS, LA | -- | -- | -- |