At AFP4, LATA conducted treatability studies evaluating in-situ bioremediation and chemical oxidation of chlorinated solvents, in-situ chemical reduction of hexavalent chromium, and enhanced non-aqueous phase liquid recovery from fractured bedrock.
TEXAS BASES
PERFORMANCE-BASED REMEDIATION
Under a single Task Order, LATA provides environmental service and remediation at five active Air Force Bases (AFBs) including JBSA-Randolph, Laughlin AFB, Dyess AFB, Sheppard AFB, Goodfellow AFB and Air Force Plant 4 (AFBP4) in Texas.
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Work Performed:
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LATA provides environmental restoration/remediation efforts that include:
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Conceptual design
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Environmental construction, implementation, demolition, and repair of various IRP, MMRP, and compliance sites
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O&M of installed groundwater systems
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Additional work includes:
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Bench-scale and pilot-scale treatability studies
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Remedial actions
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Removal actions
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Tank removals
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Excavations
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LNAPL/DNAPL abatement/recovery
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In-situ groundwater remediation
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Long-term monitoring
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Groundwater modeling
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Natural attenuation studies
LATA supports the Air Force with community involvement at two installations by facilitating Restoration Advisor Board (RAB) meetings, preparing informational packets to RAB members, and providing meeting minutes to the Administrative Record. The work is being performed under CERCLA, with regulatory oversight provided by Texas Commission on Environmental Quality and EPA Region 6.
At Dyess Air Force Base and Goodfellow Air Force Base, LATA successfully closed several former MMRP sites.