Standards for Air Pollutant Emission from Stationary Pollution Sources Article 10

Those public and private premises that adopt multiple pollution control measures shall submit written data to the local competent authority, and after receiving approval, may build an emissions pipe lower than the specified height designated in Article 9. For circumstances in the foregoing paragraph, emissions standards shall be calculated based on actual emissions pipe height pursuant to Article 9 or official calculations of the highest permissible emissions quantity authorized by the central competent authority. The highest permissible emissions quantities may not exceed the emissions standards for the emission pipes of these Standards.
中文原文 固定污染源空氣污染物排放標準第10條
各公私場所對污染源採多重污染防制措施者,應檢具書面資料報請當地主管機關核准後,始得建築低於第九條所規定高度之排放管道。
前項情形,應以實際排放管道高度依第九條或中央主管機關認可之計算公式計算之最高許可排放量為排放標準,其最高許可排放量並不得超過本標準之排放管道排放標準。

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