Methods and Facility Standards for the Storage, Clearance and Disposal of Industrial Waste Article 41-4

For landfills already closed before the implementation of the amendment to these Standards on February 22, 2021, when the results of environmental monitoring are below the groundwater pollution control standards but reach the groundwater pollution monitoring standards as confirmed by the competent authorities, the entity shall propose the countermeasures within one month after receiving the monitoring results and implement such countermeasures after acquiring the approval of the competent authorities of permit issuance or the competent authorities of the targeted business.After completing improvements as per the countermeasures stated in the preceding paragraph, the entity shall submit related documents of proof to apply for approval to the original competent authorities of permit issuance or the competent authorities of the targeted business.
中文原文 事業廢棄物貯存清除處理方法及設施標準第41-4條
本標準中華民國一百十年二月二十二日修正施行前已封場之掩埋場,經主管機關環境監測調查之結果低於地下水污染管制標準而達地下水污染監測標準者,事業應於接獲主管機關通知後一個月內提報因應措施,經許可文件核發之主管機關或目的事業主管機關核准後執行之。
事業依前項因應措施完成改善後,應檢附相關證明文件,報請原許可文件核發之主管機關或目的事業主管機關核准。

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