First Groundwater Remediation Site with Chlorinated Solvent Pollution Delisted in 2021


Achievements have been made in the groundwater pollution remediation of the Standard Chem & Pharm’s Plant II. Analysis showed that the concentrations of groundwater pollutants such as vinyl chloride, ethylene dichloride, dichloromethane and toluene all met the Groundwater Pollution Control Standards. The EPA therefore announced the removal of the groundwater pollution remediation site from the control list on 2 March 2021. This is the first case of delisting of a remediation site with chlorinated organic solvent pollution in 2021.

To ensure the safety of the nation’s soil and groundwater environment, the EPA conducted an investigation of soil and groundwater pollution at the Standard Chem & Pharm’s Plant II in 2012 and found that the groundwater was polluted with chlorinated organic solvents. In accordance with the regulations of the Soil and Groundwater Pollution Remediation Act, the Environmental Protection Bureau of Tainan City announced on 6 July 2012 that it was a groundwater pollution control site. After carrying out relevant investigations and necessary response measures, the EPA announced on 27 January 2014 that it was a remediation site.

The Tainan City Environmental Protection Bureau asked the company to propose a remediation plan. The pollution remediation continued for the ensuing six years, during which the EPA regularly invited experts and scholars to hold meetings to monitor the progress of the remediation plan. In December 2020, EPA personnel entered the site for verification, and the results showed that the concentrations of groundwater pollutants all met the control standards. As a result, the EPA removed the site from the list of groundwater pollution remediation sites.

Excerpt from Major Environmental Policies, Mar 2021

Environmental Protection Administration, R.O.C.(Taiwan)
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