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Services Provided
ü Environmental Restoration ü Remedial Design ü Site Characterization
ü Treatability, Lab Scale Biological
Technologies Used
ü In-situ Bioremediation
Relevance
ü Groundwater ü Radioactive, Hazardous ü Design, Fabrication
ü DOE – Nuclear Facility ü WM, HASP, SAP, QAPjP
Accomplishments
ü Successfully designed an in-situ
bio-barrier groundwater treatment system
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Title: Playa 1 Bio-barrier, In-situ Groundwater Remediation
Client: Pantex, Mason & Hanger Corporation Amarillo, Texas
This project involved the innovative design of a mobile in-situ bioremediation system to establish a bio-barrier to
off-site migration of high explosives contaminated groundwater. This system was designed to take advantage of a portion of the contaminant plume
confined by an underground channel. Based on the client's groundwater monitoring program, including privately owned property investigation results, it
appeared that contaminated groundwater was migrating off-site via a confining underground channel. The technology premise is that a bio-barrier could be
established within the confining boundaries of the underground channel that would treat the groundwater prior to migrating off-site. The system consisted of
three dual-function injection/extraction wells and a trailer mounted bio-feeding mobile system. Initial tasks
included conducting a lab-scale bio-treatability test on high explosives contaminated groundwater, developing the field-scale system design, and drilling six boreholes to locate
the underground channel. Subsequent tasks would have included the permitting, final design, and installation of the portable bio-feeding groundwater treatment system.
However, these tasks were not implemented because the expected contaminated groundwater channel could not be located. Other activities for this project included
preparation of the Field Sampling and Analysis Plan (SAP), Waste Management Plan (WMP), Health and Safety Plan (HASP), and Quality Assurance Project Plan (QAPjP).
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