U.S. EPA Contaminated Site Cleanup Information (CLU-IN)


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U.S. EPA Technology Innovation and Field Services Division

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PILOT STUDIES REPORT: FORMER SCHILLING AIR FORCE BASE, SALINA, KANSAS
Kansas Department of Health and Environment, 750 pp, 2017

Pilot studies of soil and groundwater remediation technologies were conducted in 2016 and 2017 at the former Schilling Air Force Base to support the development and assessment of potential remedial strategies. Multiple dissolved-phase plumes (some commingled) of PCE, TCE, and carbon tetrachloride have been delineated at the site. The pilot studies and their respective findings include the following:
  • Soil removal using large-bore augers: Found technically viable for removing impacted soil from the subsurface.
  • Ex situ soil treatment using chemical oxidation with separate PersulfOx® and hydrogen peroxide pilot studies at varying dilutions: All dilutions found effective to reduce VOC concentrations.
  • In situ thermal desorption (bench scale): Technically viable for soil remediation. See Appendix F for the basis of design report.
  • Soil vapor extraction: Subsurface geology at test locations not suitable for traditional SVE.
  • Groundwater pump and treat using air stripping and carbon polishing: Technically viable.
  • Groundwater ZVI barrier with emulsified vegetable oil (EVO): May be technically viable.
  • Enhanced bioremediation using EVO alone: May be technically viable.
http://www.kdheks.gov/remedial/Schilling_AFB/Schilling_PilotStudies.pdf



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