A single residue failure at EU or Japanese customs can cost a season’s margin — the tea is destroyed or returned at your expense. Residue risk is controllable if you qualify the supplier and the lot, in that order.
1. Qualify the Supplier, Not the Sample
- Ask where the tea is grown: single-contracted high-mountain gardens have far lower residue risk than mixed market purchases.
- Ask for the last 3 lots’ COA + residue reports — consistency across lots is the real signal.
- Prefer suppliers with a documented QC process: incoming-leaf testing, batch segregation, traceable lot numbers.
2. Test to the Destination Scope, Not “General”
- EU: Regulation (EC) 396/2005 defaults to 0.01 ppm for unlisted actives — the test scope must include the tea-relevant problem actives (e.g. anthraquinone, epoxiconazole, acetamiprid). EU MRL explained →
- Japan: Positive List — same 0.01 ppm default logic.
- A “pesticide screen” without destination scope is marketing, not compliance.
3. Per-Lot COA, Not per-Year COA
Residue profiles change with every harvest and every garden input. The COA must reference your lot number. At Smileaf Tea every shipment carries a per-lot COA plus destination-scoped SGS/Intertek residue reports.
4. Pre-Shipment Verification
- Reserve the right to appoint third-party inspection before loading — draw sealed samples from the actual production batch.
- Keep sealed counter-samples from each shipment for 12 months.
- For organic lots, verify the certificate number on the certifier’s public database — see export compliance guide.
5. Red Flags
- “COA available on request” without lot numbers · prices far below market for “EU standard” tea · refusal to allow pre-shipment inspection · certificates without an issuing lab name.
Request our standard EU-scope residue report template and a sample COA →