While competition teas and teas seeking place-of-origin certification must undergo testing for residual pesticides, the majority of tealeaves on the market are subject only to testing of random samples by the Council of Agriculture ’ s (COA) tea-sampling team.
除了比賽茶及申請產地認證標章需要經過農藥殘留審核外，多數市售茶葉只有靠農委會的「茶葉抽樣小組」來進行隨機抽驗。