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

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U.S. Environmental Protection Agency
U.S. EPA Technology Innovation and Field Services Division

State Coalition for Remediation of Drycleaners Site Profiles

Fashion Cleaners, Junction City, Kansas

Historical activity that resulted in contamination.

The site operated as a drycleaner from 1950 to 2006. The site is currently occupied by a used car dealership. Contamination was identified in the drains and along the sewer line exiting the building. The nearest receptor is a trailer park located adjacent to the facility. The investigation, assessment and remediation of the site were done with accordance with the Kansas Drycleaner Environmental Response Act.

Remediation Status: In active remediation

Contaminants present and the highest amount detected in both soil and groundwater.

Contaminant Media Concentration (ppb) Nondetect
cis-1,2-Dichloroethene groundwater
Tetrachloroethene (PCE) groundwater
Tetrachloroethene (PCE) soil
Trichloroethene (TCE) groundwater
trans-1,2-Dichloroethene groundwater

Site Hydrology

Deepest Significant Groundwater Contamination:   48ft bgs
Plume Size:   Plume Length: 1,000ft
Plume Width: 500ft
Plume Thickness: 20ft
Average Depth to Groundwater:   27ft

Lithology and Subsurface Geology

  Sand, silty sand and silty clay
Depth: 0-47ft bgs
47ft thick
Gradient: 0.002ft/ft
  interbedded limestone and shale bedrock
Depth: 47ft bgs

Pathways and DNAPL Presence

DNAPL Present

Vapor Intrusion Pathway

Has the potential for vapor intrusion (VI) been evaluated?
Has a vapor mitigation system been installed?

Remediation Scenario

Cleanup Goals:
  Below EPA Maximum contaminant levels for PCE and PCE degredation products in soil and groundwater.
Remedy Level:
  Full Scale Remedy


In Situ Soil Vapor Extraction

Why the technology was selected:
SVE was selected based on known efficiency in the site geology and cost. A remediation trailer was used from another site.

Date implemented:
Well installation September 2008, system start-up November 2008.

Final remediation design:
Three vertical SVE wells to 25 ft bgs with approximately 15 ft of screen. Three monitoring wells to determine radius of influence and monitor groundwater contamination. One SVE blower with an operating capacity of 300 cfm at 45 in of H2O vacuum.

Results to date:
The site lies within 3/4 of a mile of a river to the west, north, and east. Unusually high water levels in 2007 are believed to have led to a significant decrease (from 6,738 ug/L in September 2006 to 58 ug/L in January 2008) in groundwater concentrations (essentially flushing the groundwater). The soil contamination remains and groundwater contamination had rebounded significantly by March 2009 (to 66,800 ug/L) 4332.3 lbs of VOC's have been removed from the soil since start-up and the system continues to operate efficiently.

Next Steps:
Continue with remediation until clean-up goals are reached.

Cost to Design and Implement:


Cost for Assessment:
Cost for Operation and Maintenance:
Total Costs for Cleanup:

Lessons Learned

Property owners can be valuable assets to knowledge of past operations. A property owner of over 50 years was able to identify source areas based on his recollection of past operations.

Property sales provide a good window for conducting investigative assessment activities, vacant buildings are easier to access.

Used remediation equipment can greatly reduce costs.

The installation of above-ground SVE lines was a good alternative to traditional trenching. It this case it was necessary to avoid underground utilities; however, it also reduced the system installation costs.


Kansas Identified Sites List


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