State Coalition for Remediation of Drycleaners Site Profiles
French Cleaners, Deerfield Beach, Florida
Description
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| French Cleaners is an active PCE drycleaning facility that has been in operation since the mid 1980s. The facility is located in a strip mall in a mixed retail-commercial setting.
The contaminant source area was the soil beneath the facility floor slab in the vicinity of the drycleaning machine and a floor drain.
The drycleaning facility is located within the wellhead protection area of the city wellfield. The nearest water supply well is located 150 feet south of the drycleaning facility. This well produces from a zone 66-87 feet BGS. Four other water supply wells are located within 1000 feet of the facility. Remediation Status: Site closed |
Contaminants
Contaminants present and the highest amount
detected in both soil and groundwater.
| Contaminant | Media | Concentration (ppb) | Nondetect |
|---|---|---|---|
| Tetrachloroethene (PCE) | groundwater | 270 ppb | |
| Tetrachloroethene (PCE) | soil | 160 ppb | |
| Trichloroethene (TCE) | soil | 2.9 ppb |
Site Hydrology
| Deepest Significant Groundwater Contamination: | ||
| Plume Size: | Plume Length: 65ft Plume Width: 50ft Plume Thickness: 10ft |
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| Average Depth to Groundwater: | 9ft |
Lithology and Subsurface Geology
| fine-grained sand Depth: 0-9ft bgs 9ft thick Conductivity: 16.54ft/day Gradient: 0.001ft/ft |
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| very fine to fine-grained sand Depth: 9-14ft bgs 5ft thick |
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| fine to coarse-grained sand with shells Depth: 14-16ft bgs 2ft thick |
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| fine-grained sand Depth: 16-18ft bgs 2ft thick |
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| silty, very fine to fine-grained sand with shells, minor clay Depth: 18-39ft bgs 21ft thick |
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| limestone with fine-grained sand & shells Depth: 39-43ft bgs 4ft thick |
Pathways and DNAPL Presence
 Groundwater SedimentsSoilDNAPL Present |
Vapor Intrusion Pathway
Has the potential for vapor intrusion (VI) been evaluated? |
No |
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Has a vapor mitigation system been installed? |
Yes | |
Type of Vapor Mitigation System(s): |
Soil Vapor Extraction |
Remediation Scenario
Cleanup
Goals: |
Soil: PCE = 30 ug/kg Groundwater: PCE = 3 ug/l, TCE = 3 ug/l |
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Remedy Level: |
Full Scale Remedy |
Technologies
In Situ Soil Vapor Extraction |
Why the technology was selected: Date implemented: Final remediation design: Results to date: Next Steps: Cost to Design and Implement: |
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Ex Situ Carbon Adsorption |
Date implemented: Final remediation design: Results to date: Next Steps: Cost to Design and Implement: |
Costs
Cost
for Assessment: |
$62,700 | |
Cost
for Operation and Maintenance: |
$41,900 | |
Total
Costs for Cleanup: |
$221,700 |
Lessons Learned
| 1. Prior to application of the facility to the Drycleaning Solvent Cleanup Program, a sentinel well had downgradient of the drycleaning facility as part of the wellhead protection plan. This well had never produced a groundwater sample with detectable concentrations of PCE or PCE degradation products. However, asessment work showed that this this well was not located directly downgradient of the contaminant source area (drycleaning machine). |
Contacts
| Aaron Cohen Florida Dept. of Environmental Protection Bureau of Waste Cleanup, MS 4500 2600 Blair Stone Road Tallahassee, Florida 32399 850-245-8974 Aaron.Cohen@dep.state.fl.us Bill Vogelsong, PG, consultant ARCADIS Geraghty & Miller, Inc. 712 US Highway One, Suite 200 North Palm Beach, Florida 33408 phone: (561) 697-7000 |
Site Specific References
| Site Assessment Report: 2004 Remedial Action Plan: September 2005 Remedial Action System Startup Report: October 2006 Operation & Maintenance Reports: 2006-2007 Post-Active Remedial Monitoring Reports: 2007 - 2008 |
