Site Activities Week of May 28, 2018
May 28, 2018
Regenerative Thermal Oxidizer
Site Activities Week of June 25, 2018
June 22, 2018

Site Activities Week of June 18, 2018

Update for Week of June 18, 2018:

ERH Treatment System Begins Operation

The Electrical Resistance Heating (ERH) treatment system began operating on June 8, 2018. The system will operate through the fall to remove trichloroethene (TCE) in the ERH treatment area.

The treatment system will gradually raise the underground temperatures of soil and groundwater to vaporize TCE within the treatment area. It will take approximately 40 days to reach the target treatment temperature of 87° Celsius. Vaporized TCE will be destroyed by an on-site thermal treatment unit. During system operation, we are monitoring air emissions from the thermal treatment unit and the site perimeter. The air monitoring results will be available on EPA’s website at

CTS will continue to provide project updates on this website, including:

  • System operating measures, such as energy consumption and underground temperatures:
    • As of June 15, 2018, the ERH System has applied 411,000 kWhr of the estimated 8,255,000 kWhr the remediation will require and the average underground temperature has risen three degrees to 17-degrees Celsius.
  • Estimated completion percentage
  • Other items:
    • Estimated TCE removal
    • System shutdown events
    • Sampling events

Please note that you may see occasional steam from the thermal treatment unit during system operation. This is normal water condensation caused by weather conditions, and not a release of TCE vapor. For additional information about the ERH treatment system start up, please see the EPA News Release: Treatment Begins at CTS of Asheville Superfund Site (


Site Safety:

Please be aware that this is an active and secured site.  Thank you for respecting the safety boundaries and please do not enter the site for any reason.

Additional Information:

If you have any questions regarding site activities, please see the contact section of this website.