State Coalition for Remediation of Drycleaners Site Profiles
Master Cleaners, Winter Haven, Florida
Description
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| This is an active PCE drycleaning facility that has been in operation since 1988. The facility is located in a shopping center in a mixed retail commercial/residential setting.
The contaminant source area is the soil beneath the facility floor slab in the vicinity of the drycleaning machine. Remediation Status: Site closed |
Contaminants
Contaminants present and the highest amount
detected in both soil and groundwater.
| Contaminant | Media | Concentration (ppb) | Nondetect |
|---|---|---|---|
| cis-1,2-Dichloroethene | groundwater | 58 ppb | |
| Tetrachloroethene (PCE) | groundwater | 870 ppb | |
| Tetrachloroethene (PCE) | soil | 164 ppb | |
| Trichloroethene (TCE) | groundwater | 475 ppb | |
| Trichloroethene (TCE) | soil | 7 ppb | |
| trans-1,2-Dichloroethene | groundwater | 10 ppb |
Site Hydrology
| Deepest Significant Groundwater Contamination: | 15ft bgs | |
| Plume Size: | Plume Length: 120ft Plume Width: 70ft Plume Thickness: 7ft |
|
| Average Depth to Groundwater: | 8.41ft |
Lithology and Subsurface Geology
| very fine to medium-grained sand Depth: 0-33ft bgs 33ft thick Conductivity: 2.5ft/day Gradient: 0.009ft/ft |
||
| sandy clay Depth: 33-75ft bgs 42ft thick |
Pathways and DNAPL Presence
 Groundwater SedimentsSoilDNAPL Present |
Vapor Intrusion Pathway
Has the potential for vapor intrusion (VI) been evaluated? |
No |
|
Has a vapor mitigation system been installed? |
Yes | |
Type of Vapor Mitigation System(s): |
Soil Vapor Extraction |
Remediation Scenario
Cleanup
Goals: |
Groundwater: PCE = 3 µg/L, TCE = 3 µg/L, cis 1,2-DCE = 70 µg/L, trans 1,2-DCE = 70 µg/L. Soil: PCE = 30 µg/kg, TCE = 30 µg/kg |
Technologies
In Situ Monitored Natural Attenuation |
Why the technology was selected: Next Steps: Cost to Design and Implement: |
|
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: |
Costs
Cost
for Assessment: |
$89,000 | |
Cost
for Operation and Maintenance: |
$75,900(includes monitoring) $7,000 (site closure & restoration) | |
Total
Costs for Cleanup: |
$219,000 |
Lessons Learned
| 1. Contaminant concentrations in groundwater samples collected beneath the facility floor slab were two orders of magnitude higher than levels in groundwater samples collected beneath the parking lot of the shopping center. Without the installation of three monitoring wells beneath the floor slab of the shopping center, the magnitude and the extent of groundwater contamination would have been underestimated. |
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 Contractor: Gregg Roberts, PG Shaw Environmental 725 U.S. Highway 301 South Tampa, Florida 33619-4349 Phone: (813) 612-3687 E-mail: Greg.Roberts@shawgrp.com |
Site Specific References
| Contamination Assessment Report - August 1999 Remedial Action Plan - May 2003 Operation & Maintenance Reports - 2004 - 2005. Operation & Maintenance Reports 2004/2005 |
