Environmental Agents Control Act Article 57

Standard testing methods for environmental agents shall conform to national standards when national standards exist. The central competent authority shall officially announce standard testing methods when no relevant national standards exist.
中文原文 環境用藥管理法第57條
環境用藥標準檢驗方法,有國家標準者,依國家標準;未訂國家標準者,由中央主管機關公告之。

English translation for reference only; the Chinese text prevails. Not legal advice.