Methods and Facility Standards for the Storage, Clearance and Disposal of Industrial Waste Article 39
The earth cover and monitoring of sealed landfills shall comply with the following requirements:I. Landfills whose use has ended shall be first covered with a 15-centimer layer of sandy or argillaceous clay. They shall then be covered with an artificial impermeable material with a water impermeability coefficient of less than 10-10 centimeters/second and 0.2 centimeters or more in thickness and again covered with a layer of sandy or argillaceous clay 60 centimeters or more in thickness, which is then compressed.II. The water quality in the groundwater monitoring wells at the upper and lower courses shall be examined quarterly, with examination items covering arsenic, cadmium, chromium, copper, lead, mercury, nickel, and zinc.When the monitoring results of Subparagraph 2 in the foregoing paragraph are below the groundwater pollution control standards but reach the groundwater pollution monitoring standards, 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 targeted business.Closed landfills shall not be used as construction sites or other working areas.
中文原文 事業廢棄物貯存清除處理方法及設施標準第39條
（因條文排版無法完整呈現內容，請詳閱完整條文檔案）封閉掩埋場之覆土及監測應符合下列規定：
一、於終止使用時，應先覆以厚度十五公分砂質或泥質黏土，再覆蓋透水係數低於10-10公分／秒、單位厚度○．二公分以上之人造不透水材料及厚度六十公分以上之砂質或泥質黏土，並予壓實。
二、每季定期檢測上下游之地下水監測井水質，檢測項目應包括砷、鎘、鉻、銅、鉛、汞、鎳及鋅。
前項第二款監測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，事業應於取得監測結果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。
封閉掩埋場終止使用後，不得做為建築用地或其他工作場所。
一、於終止使用時，應先覆以厚度十五公分砂質或泥質黏土，再覆蓋透水係數低於10-10公分／秒、單位厚度○．二公分以上之人造不透水材料及厚度六十公分以上之砂質或泥質黏土，並予壓實。
二、每季定期檢測上下游之地下水監測井水質，檢測項目應包括砷、鎘、鉻、銅、鉛、汞、鎳及鋅。
前項第二款監測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，事業應於取得監測結果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。
封閉掩埋場終止使用後，不得做為建築用地或其他工作場所。