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Waste Area Group 6 Surface
Water and Groundwater Monitoring at Oak Ridge National
Laboratory (ORNL) |
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PAI performed water monitoring and sampling
activities, including retrieving sampling data and
manually collecting samples from wells, seeps, and springs
on the 68-acre site. BACK TO MENU
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In-Situ Biodenitrification
Process for Weldon Spring Site Remedial Action Project (WSSRAP) |
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PAI participated in the development of design
options to manage high-nitrate, contaminated water in an
on-site pit. PAI managed the treatability studies, the
design and execution of pilot-scale tests, and oversaw the
full-scale biodenitrification activities. BACK TO MENU
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Water Rights Survey at
Nevada Test Site (NTS) |
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PAI analyzed and produced annual estimates of
potential water consumption for 26 hydrographic
basins of the Death Valley groundwater system. BACK TO MENU
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NPDES Compliance at the Y-12
Plant |
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PAI surveyed 723 buildings to verify routing
of drainage systems and system discharge locations,
assessed the condition of the buildings’ drainage
systems, and updated drainage systems drawings. BACK TO MENU
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Interim Mercury Treatment
Unit Upgrade at the Y-12 Plant |
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To address mercury-laden groundwater discharges
into Upper East Fork Poplar Creek, PAI evaluated the
technical and economic aspects of three plant upgrade
options. BACK
TO MENU
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E-Tunnel Contaminated Water
Discharge Control at NTS |
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E-Tunnel is a closed underground test complex
discharging radioactively contaminated water to the
environment. PAI performed geologic investigations and
designed and monitored hydrologic tests to reduce and
control site discharge water. BACK TO MENU
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Oversight of Mobile Sump
Water Treatment Plant (MSWTP) for WSSRAP |
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This plant supported site dismantlement
activities and was relocated, as needed, to treat
contaminated site water. PAI participated in the MSWTP
design and oversaw fabrication, procedure development,
startup, and operations. BACK TO MENU
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Environmental Assessment of
Drainage Projects at the Mound Plant |
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PAI analyzed the
environmental impact of three site drainage projects,
which included site drainage control, off-site drainage
containment, and stormwater treatment. BACK TO MENU
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Benchmark Evaluation of U.S.
Department of Energy (DOE) Wastewater Treatment Facilities
on the Oak Ridge Reservation |
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PAI evaluated DOE wastewater treatment facility
operations at the Y-12 Plant, ORNL, and East
Tennessee Technology Park. The evaluations included the
selection of industrial benchmarks, walkdown and review of
DOE facility operations, and a comparison of the two.
BACK
TO MENU
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Pollution Prevention
Opportunity Assessment (PPOA) at Portsmouth Gaseous
Diffusion Plant |
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PAI prepared a PPOA of wastewater carbon filter
usage and evaluated the handling of legacy carbon. PAI
compiled and reviewed the facility waste stream data,
identified options for carbon reactivation and waste
generation reduction, estimated cost savings, and prepared
a high-value-return-on-investment cost justification. BACK TO MENU
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Groundwater Investigation of
the Atomic City Auto Parts Site |
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This site was
contaminated by scrap metal bought from the Atomic Energy
Commission. PAI managed the site investigation and
characterization, including groundwater monitoring, well
installation, and collection and analysis of surface water
and groundwater samples. BACK TO MENU
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