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Groundwater Flow Model Development at the Nevada Test Site
The Underground Test Area Project (UGTA) of the National Nuclear Security Administration.s Nevada Site Office is in the process of assessing and developing regulatory decision options...

Transport Model Uncertainty and Sensitivity Analysis for Groundwater Releases of Radionuclides from Subsurface Nuclear Tests
Uncertainty analysis of groundwater flow and transport models is a topic of considerable interest in the groundwater modeling communities. The Underground Test Area (UGTA) Project of the...

Incorporating Site Characterization Data into Contaminant Concentration Interpolations for Long-Term Monitoring Optimization
Long ? term monitoring (LTM) networks are installed for groundwater remediation systems to evaluate the performance of various remediation processes and to track the variation of contaminant...

Optimization of Well Placement in Groundwater Long Term Monitoring Networks
Long Term Monitoring (LTM) networks play critical roles in tracking the migration of contaminants in groundwater, evaluating the efficiency of the existing remediation techniques, and...

Optimal Resource Allocation for the Cleanup of Petroleum Contaminated Sites
Site rehabilitation is conducted in many states using a risk-based corrective action process wherein alternative remedial actions are evaluated and implemented, depending on the level...

Adjustable Foundation Design Development Innovations in Arctic Engineering
The purpose of adjustable foundation systems is to accommodate a wide variety of soils, including those which have low bearing capacity or which may be subject to settlement and/or horizontal...

Calendar: A 1986 Calendar Illustrating the Statue of Liberty: An International Historic Civil Engineering Landmarks
Illustrations include: Castle Garden, NY 1892; Construction of the Head; Presentation of the Statue of Liberty in Paris, 1988 / The Eiffel Tower; The Foundation; Gustave Eiffel.s Support...

Natural Attenuation of Hazardous Wastes
Sponsored by the Natural Attenuation Task Committee of the Environmental and Multi-Media Council of the Environmental and Water Resources Institute of ASCE. ...

Rescue Mission
Designers in France applied modern engineering techniques in a way that made it possible to preserve the appearance of a beloved bridge....

Linking Past and Future
A superhighways spanning all of northern Greece - linking the port city of Igoumenitsa in the west to Turkey in the east - elevates an ancient trade route to modern design standards. Staggering...

Water Treatment Plant Design
Let a team of water treatment plant design experts . with contributions from more than 30 international authorities -- give you comprehensive guidance on modernizing existing water treatment...

Reconstructed With Precision
Rehabilitating a heavily traveled crossing while traffic continues to flow is a complicated endeavor. Add the attention to detail required to preserve the character of a historic 1920's...

ASCE History and Heritage Programs
Concerned that neither the general public nor civil engineers themselves were fully appreciative of the contributions of civil engineers to the development and standard of living of the...

Restoring PATH
Service from northern New Jersey to lower Manhattan on the Port Authority Trans-Hudson (PATH) commuter rail system will soon be restored thanks to a speedy rehabilitation of tunnels and...

Holding Up
Now that the redevelopment of the World Trade Center site is under way, the time is right to examine the status of the remaining slurry wall foundation system and consider how future construction...

Assessment of Water Quality Monitoring Sites by an Optimization Method
Allocation of sampling sites is the initial and the most crucial step of the water quality monitoring network design and redesign process. Several different approaches have been used within...

The Water Resources Development Act for Restoration of Urban Waterway Superfund Sites
The objective of this paper is to provide information for interested parties to use in their evaluation of WRDA as a potential authority for completion of sediment remediation and restoration...

Monitored Natural Recovery and Dredging Decision Analysis at Bellingham Bay, Washington
The Whatcom Waterway Site, located within inner Bellingham Bay, Washington consists of intertidal and subtidal aquatic lands within and adjacent to the Whatcom Waterway in Bellingham,...

Sediment Remediation at the Unnamed Tributary to the Ottawa River
A sediment removal action was conducted in the Unnamed Tributary to the Ottawa River to address sediments containing polychlorinated biphenyls(PCBs) at concentrations up to 74,000 mg/kg....

Application of the NRC Framework for Evaluation of Remedial Actions at a PCB Contaminated Sediment Site
The National Research Council recently proposed that the framework of the Presidents/Congressional Commission on Risk Assessment and Risk Management be applied to the selection and implementation...

 

 

 

 

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