Environmental Remediation and Financial Services, LLC
Case Studies • Military Bases and Defense
Military Bases and Defense
Listed below is a representative sampling of recent ERFS Case Studies within the Military / Defense Industry. For additional details and technical data, contact an ERFS representative at 1-866-855-ERFS.
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| Industry: | Military / Defense |
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| Challenge: | Two sites with multiple COCs |
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| Solution: | One site in closure monitoring; second site in final polishing phase |
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| Site Setting or Use: | Defense Fuel Supply Center Bulk Storage Facility | |
| Location: | Florida | |
| COCs: | BTEX, PAH, MTBE | |
| Treatment Interval Soil Type: | Sand and silt | |
| Depth to Groundwater: | 3 - 8 ft bgs | |
| Plume Size: | 6,000 SF | |
| Injection Array: | Lateral and vertical wells | |
| Baseline Conditions: | 50,000 mg/l TPH | |
| Current or Final Conditions: | LNAPL removed and all wells in compliance except for 3 exceeding TPH goal in groundwater | |
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| Industry: | Military / Defense |
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| Challenge: | Base housing and former fuel stand impacted with LNAPL |
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| Solution: | Use Propagations to apply reagents under housing units and remove LNAPL |
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| Site Setting or Use: | Military Base | |
| Location: | Maryland | |
| COCs: | BTEX and MTBE | |
| Treatment Interval Soil Type: | Fine to medium sand | |
| Depth to Groundwater: | 5 ft bgs | |
| Plume Size: | 4,000 SF | |
| Injection Array: | 6 Props.* | |
| Baseline Conditions: | LNAPL > 0.5 ft | |
| Current or Final Conditions: | LNAPL < 0.01 ft | |
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| Industry: | Military / Defense |
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| Challenge: | Implement client design for large-scale remediation project |
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| Solution: | ERFS ProxiONE for consultants program: Site now receiving continuous treatment subject to federal spending levels with approximately 150 out of 400 well treatment events completed |
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| Site Setting or Use: | Military Base | |
| Location: | Pennsylvania | |
| COCs: | Jet fuel | |
| Treatment Interval Soil Type: | Fine, silty sand | |
| Depth to Groundwater: | 3 ft bgs | |
| Plume Size: | 4 acres | |
| Injection Array: | More than 100 vertical wells | |
| Baseline Conditions: | LNAPL and high levels of BTEX in groundwater | |
| Current or Final Conditions: | LNAPL eliminated in areas that have received treatment; BTEX concentrations reduced by over 75% | |
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| Industry: | Military / Defense |
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| Challenge: | Failure by several previous vendors to inject oxidizers in difficult treatment area |
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| Solution: | Successful injection of several thousand gallons of several oxidizer types at varying soil depths. Treatment continuing under cost-and-time efficient, performance-based contract |
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| Site Setting or Use: | Military Base | |
| Location: | Texas | |
| COCs: | TCE and DCE | |
| Treatment Interval Soil Type: | Silty clay with small amounts of gravel; semi-confined water table | |
| Depth to Groundwater: | 18 ft bgs | |
| Plume Size: | 4,000 SF | |
| Injection Array: | 10 Props.* | |
| Baseline Conditions: | Total CVOC at 10 mg/l in groundwater | |
| Current or Final Conditions: | > 95% reduction in one portion of treatment area and 60% in the other portion | |
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| Industry: | Military / Defense |
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| Challenge: | Conduct pilot test implementing client designs |
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| Solution: | ERFS Tension System: discrete interval injections targeting highest contamination and fracture density zones. |
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| Site Setting or Use: | Military Base | |
| Location: | New York | |
| COCs: | CVOC | |
| Treatment Interval Soil Type: | Bedrock | |
| Depth to Groundwater: | 50 ft bgs | |
| Plume Size: | 2,000 SF | |
| Injection Array: | 4 open-hole bedrock wells with packers isolating impacted intervals | |
| Baseline Conditions: | 5 mg/l CVOC in groundwater | |
| Current or Final Conditions: | < 1 mg/l CVOC after multiple permanganate injections | |
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| Industry: | Military / Defense |
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| Challenge: | High CVOC in groundwater over 1 acre within former military landfill |
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| Solution: | Natural attenuation via biodegradation documented within 60 days of last treatment with CVOC concentrations continuing to decline rapidly via NA pathways |
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| Site Setting or Use: | Military Base along San Diego Bay | |
| Location: | California | |
| COCs: | CVOC | |
| Treatment Interval Soil Type: | Fine sand 5 ft bgs | |
| Depth to Groundwater: | 35,000 SF | |
| Plume Size: | 5 ft bgs | |
| Injection Array: | 16 Props.* and 8 vertical injectors | |
| Baseline Conditions: | Nearly 200,000 ug/l total CVOC | |
| Current or Final Conditions: | Treatment ceased at 65% total CVOC destruction | |
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| Industry: | Military / Defense |
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| Challenge: | Implement treatment programs based on several client designs |
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| Solution: | Three Propagations set at multiple intervals at each of three target wells |
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| Site Setting or Use: | Military Base | |
| Location: | Alabama | |
| COCs: | BTEX and MTBE | |
| Treatment Interval Soil Type: | Plastic clay | |
| Depth to Groundwater: | 20 ft bgs | |
| Plume Size: | 1 acre | |
| Injection Array: | 9 Props.* located at three target wells | |
| Baseline Conditions: | Benzene avg. 4,500 ug/l BTEX avg. 8,700 ug/l (LNAPL encountered in one well just prior to treatment) | |
| Current or Final Conditions: | Benzene avg. 1,950; BTEX avg. 7,000 ug/l; Additional treatments to be specified after several months of monitoring | |
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* Propagation delivery devices