Environmental Remediation and Financial Services, LLC
Case Studies • Dry Cleaners
Dry Cleaners
Listed below is a representative sampling of Dry Cleaners Case Studies performed by ERFS. For additional details and technical data, contact an ERFS representative at 1-866-855-ERFS.
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| Industry: | Dry Cleaner |
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| Challenge: | Extremely low permeability site (10-8 cm/sec) |
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| Solution: | Multiple Propagations |
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| Site Setting or Use: | Dry Cleaners (2) | |
| Location: | Texas | |
| COCs: | CVOC | |
| Treatment Interval Soil Type: | Clay sitting on chalk | |
| Depth to Groundwater: | 8 ft bgs - Wet at clay/chalk interface only | |
| Plume Size: | 20,000 SF | |
| Injection Array: | 5 Props.* | |
| Baseline Conditions: | VOCs at 200 ug/l | |
| Current or Final Conditions: | NFA status granted | |
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| Industry: | Dry Cleaner |
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| Challenge: | Buyer's lender unwilling to finance purchase due to CVOC plume |
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| Solution: | Pay for Performance Contract with ERFS provided assurance and purchase executed |
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| Site Setting or Use: | Dry Cleaner | |
| Location: | Florida | |
| COCs: | CVOC | |
| Treatment Interval Soil Type: | Fine to medium sand | |
| Depth to Groundwater: | 7 ft bgs | |
| Plume Size: | 4,000 SF | |
| Injection Array: | 4 Props.* | |
| Baseline Conditions: | Avg. PCE concentration at 300 ug/l, Hot well at 25,000 ug/l PCE | |
| Current or Final Conditions: | PCE averages at 10 ug/l | |
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| Industry: | Dry Cleaner |
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| Challenge: | Difficult access due to location of plume under building and ongoing business on active site requiring work to be conducted during off-hours |
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| Solution: | Treatment in progress utilizing Propagation and vertical well injection methods without disruption to ongoing business |
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| Site Setting or Use: | Dry Cleaners | |
| Location: | New Jersey | |
| COCs: | CVOC | |
| Treatment Interval Soil Type: | Fine sand | |
| Depth to Groundwater: | 7 ft bgs | |
| Plume Size: | 7,500 SF | |
| Injection Array: | 6 Props.* plus 8 vertical wells | |
| Baseline Conditions: | CVOC avg 400 ug/l and over 20 mg/kg in soil | |
| Current or Final Conditions: | Approximately 70% reduction | |
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| Industry: | Dry Cleaner |
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| Challenge: | Difficult access due to major utility juncture in plume area with high water table |
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| Solution: | Costs minimized by building injection system during excavation to allow direct access to residual soils |
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| Site Setting or Use: | Dry Cleaner | |
| Location: | New Jersey | |
| COCs: | CVOC | |
| Treatment Interval Soil Type: | Fine sand | |
| Depth to Groundwater: | 3 ft bgs | |
| Plume Size: | 4,000 SF | |
| Injection Array: | Laterals laid in soil excavation with vertical surrounding | |
| Baseline Conditions: | Total CVOC at 5 mg/l | |
| Current or Final Conditions: | Injectors installed and initial injections completed; groundwater sampling and polishing to continue | |
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* Propagation delivery devices