Methods and Facility Standards for the Storage, Clearance and Disposal of Industrial Waste Article 41-2

The categories of environmental monitoring of a landfill’s closure restoration plan shall cover water quality in the groundwater monitoring wells at the upper and lower courses, with examination items covering arsenic, cadmium, chromium copper, lead, mercury, nickel, and zinc. The examination shall be conducted once every half a year.When the monitoring results of 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 the targeted business.The post-closure environmental monitoring stated in Paragraph 1 shall be implemented for at least 7 years. If the results of the continuous monitoring in the last two years comply with the following requirements, the landfill may terminate environmental monitoring with the approval of the competent authorities of permit issuance or the competent authorities of the targeted business:I. The intensity of pollutants diffused from the untreated leachate of the landfill is below the effluent standard, except when no leachate is detected as confirmed by the competent authorities of permit issuance or the competent authorities of the targeted business.II. The intensity of arsenic, cadmium, chromium, copper, lead, mercury, nickel, and zinc in the groundwater is below the groundwater pollution monitoring standard.III. Other matters specified by the competent authorities of permit issuance or the competent authorities of targeted business.