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

Jim Morgan's Fine Dry Cleaners, Wichita, Kansas

Historical activity that resulted in contamination.

Significant amounts of tetrachloroethylene (PCE) were detected in monitoring well samples associated with a Petroleum Storage Tank Release Trust Fund site. Investigations in 2004 determined the source to be the Jim Morgan's Fine Dry Cleaners site. The site has been operated as a dry cleaner since 1958 and is still in operation. Primary solvent use is tetrachloroethylene (PCE). According to the owner, PCE solvent was stored in an above ground storage tank which rusted out and spilled roughly 100 gallons of PCE on the ground. Separator water and PCE were also disposed of in an onsite floor drain and used filters were deposited in onsite dumpsters. Five domestic wells were located downgradient. The wells were converted to lawn & garden wells and the associated residences were hooked-up to the City of Wichita public water supply.

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
cis-1,2-Dichloroethene soil
Tetrachloroethene (PCE) groundwater
Tetrachloroethene (PCE) soil
Trichloroethene (TCE) groundwater
Trichloroethene (TCE) soil

Site Hydrology

Deepest Significant Groundwater Contamination:   22ft bgs
Plume Size:   Plume Length: 3,600ft
Plume Width: 450ft
Plume Thickness: 5ft
Average Depth to Groundwater:   18ft

Lithology and Subsurface Geology

  Sandy silty loam
Depth: 0-4ft bgs
4ft thick
Gradient: 0.001ft/ft
  silty clay
Depth: 4-8ft bgs
4ft thick
  brown clay with fine sand
Depth: 8-12ft bgs
4ft thick
  fine to medium sand
Depth: 12-45ft bgs
33ft thick
Depth: 45ft 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:
  Reduce all contaminants to below the EPA maximum contaminant levels for groundwater and KDHE RSK values for soil.
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.

Date implemented:
SVE wells installed in March of 2008. System start-up May, 2008.

Final remediation design:
Four vertical SVE wells to 15 ft bgs with 10 ft of screen. An existing remdiation shed was brought to the site from another site in Wichita. Radius of influence was determined to be 30 ft.

Results to date:
The system continues to work effectively and has removed over 1,700 pounds of VOC's from the soil.

Next Steps:
Continue site remediation and monitoring until clean-up goals have been reached.

Cost to Design and Implement:
$21,099.50 (Hook-up residences to city water). $73,720.60 (Remediation system design, installation and start-up).


Cost for Assessment:
Cost for Operation and Maintenance:
  Roughly $10,000 per year.
Total Costs for Cleanup:

Lessons Learned

During installation of remediation system, contractor hit the potable water supply line to the strip mall facility. Property owner's recollection of the water line was incorrect. Demonstrated the need for a private utility locate prior to commencement of remediation system installation. Also, during trenching activities, the old, brittle, vitrified clay sewer tiles would collapse due to additional shear stress from the excavation equipment. Contractors need to be prepared to address the issue for older facilities.

Remediation system was scavenged from another trust fund site for reuse at the Jim Morgan's site. Due to the age of the equipment, it was necessary to invest additional money into repairs to the enclosure, replacement of the SVE blower and rebuild the manifold system in order to replace failing flow meters.


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