State Coalition for Remediation of Drycleaners Site Profiles
New Method Cleaners, Starke, Florida
Description
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This is an active drycleaning facility that has been in operation since 1957. the facility uses petroleum drycleaning solvent which was formerly stored in two ASTs located just outside the building that houses the drycleaning operation. The facility is located in a mixed commercial/residential setting. Two service stations with associated petroleum contamination are located directly upgradient of the site. Contaminated groundwater associated with one or both service stations has migrated onto the New Method site. The contaminant source areas at the site are the two solvent ASTs and an UST. |
Contaminants
Contaminants present and the highest amount
detected in both soil and groundwater.
Contaminant | Media | Concentration (ppb) | Nondetect |
---|---|---|---|
cis-1,2-Dichloroethene | groundwater | 136 ppb | |
No corresponding contaminant | groundwater | 3.9 ppb | |
ethylbenzene | groundwater | 3.9 ppb | |
No corresponding contaminant | groundwater | 195 ppb | |
naphthalene | groundwater | 2.7 ppb | |
toluene | groundwater | 1.5 ppb | |
Vinyl Chloride | groundwater | 1.7 ppb | |
xylenes | groundwater | 7.5 ppb | |
xylenes | soil | 2,300 ppb |
Site Hydrology
Deepest Significant Groundwater Contamination: | 15ft bgs | |
Plume Size: | Plume Length: 15ft Plume Width: 25ft |
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Average Depth to Groundwater: | 3.75ft |
Lithology and Subsurface Geology
Clayey fine to medium-grained sand Depth: 0-15ft bgs 15ft thick Conductivity: 1.89ft/day Gradient: 0.007ft/ft |
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Fine-grained sand Depth: 15-23ft bgs 8ft thick |
Pathways and DNAPL Presence
Groundwater Sediments Soil DNAPL Present |
Remediation Scenario
Cleanup
Goals: |
Groundwater: cis 1,2-DCE 70 µg/l, TRPH 5000 µg/l; vinyl chloride 1.0 µg/l; naphthalene 20 µg/l; toluene 40 µg/l; 1,2 dichlorobenzene 600 µg/l; xylenes 20 µg/l; ethylbenzene 30 µg/l; MTBE 50 µg/l Soil: TRPH 340 mg/kg; total xylenes 0.2 mg/kg |
Technologies
In Situ Monitored Natural Attenuation |
Why the technology was selected: Results to date: Next Steps: |
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Ex Situ Soil Removal |
Why the technology was selected: Date implemented: Final remediation design: Results to date: Next Steps: Cost to Design and Implement: |
Costs
Cost
for Assessment: |
$49,457 | |
Cost
for Operation and Maintenance: |
Groundwater Monitoring: $25,492 Site Restoration: $4,000 | |
Total
Costs for Cleanup: |
$131,639 |
Lessons Learned
1. Although this facility used petroleum drycleaning solvent, chlorinated solvents were present in groundwater. These are likely from spotting operations or from degradation of PCE used as a bactericide in soaps or detergents in the petroleum drycleaning solvent operation. Chlorinated solvents have been found in groundwater at a number of the petroleum drycleaning solvent sites in the program. 2. The presence of the UST could have been anticipated. USTs are often present at drycleaning facilities. As part of the site visit, the business operator should have been questioned about past operations and what fuel is/was used to fire the boiler and where it was stored. |
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 Pam Jackson, Contractor WRS Infrastructure & Environment, Inc. 625 East Tennessee Street, Suite 100 Tallahassee, Florida 32308 (850) 531-9860 pjackson@WRSIE.com |
Site Specific References
Site Assessment Report, January 2000 Remedial Action Plan, March 2001 UST Closure Report, May 2001 Groundwater Monitoring Reports, 2001-2004 |