Construction of Distributed Gas and Chemical Systems for Semiconductor Cleanrooms
Los Angeles Metro-TBM Starter Tunnels-Mixed Face Conditions
Twin TBM starter tunnerls with mixed face conditions were successfully mined by roadheader with steel rib and shotcrete initial support beneath the Hollywood Freeway. Tunneling and total...
Degradation of Natural Building Stone
This proceedings,
The Right Tooele for the Job
Parker describes how the nation's largest chemical munitions destruction facility was designed and how it will operate. The U.S. Signed on to the Chemical Weapons Convention...
World's Largest Copper Mine Receives New Pipeline
Chemical Grouting
Technical Engineering and Design Guide, as adapted from U.S. Army Corps of Engineers, No. 24. This manual provides information and guidance for the...
Ground-Water Treatments Gain Ground
Ground water is the main source of the nation's public water supplies and is also used extensively for agricultural and industrial purposes. Yet our reserves are constantly...
ASTM A913/A913M: The Perfect Steel for Seismic Design
BAYMAP: A Simplified Embayment Flushing and Transport Model System
Reflections on the Regulatory Reform Debate
Risk Reduction of Lead and Mercury in Michigan
Progress in Chemical Admixtures: Where Are We?
Chemical Engineer Joins Metric Debate
Leachate Chemistry: Its Implications for Clogging
The clogging of leachate collection systems is controlled by interrelated mi and chemical phenomena. Mesocosms containing landfill materials and simulating leachate collection were infiltrated...
Pilot Testing of a Zero-Discharge Treatment Process
As environmental regulations become more stringent, pulp and paper mills are investigating alternatives to conventional biological treatment and discharge of effluents into receiving waters....
Comparative Simulation of Oil Weathering
Oil spills in the aquatic environment, an unfortunately more and more common occurrence, cause contamination effects which negatively impact water quality, health of ecosystems and water...
Risk Analysis of Drinking Water Treatment and Supply Facilities Handling Highly Hazardous Chemicals
Due to increasing public concern of risks from handling highly hazardous chemicals at various facilities, a number of state regulatory agencies, including the State of California, have...
Geochemical Modeling of Lead in Vadose Zone
In recent years, researchers have used multicomponent reactive transport models to study the mobility of potentially toxic heavy metals in the subsurface. In this study, such a mathematical...
Health Risk Sensitivity to Variable and Uncertain Parameters
A methodology is presented that attempts to quantify the effects of individual variability and parameter uncertainty in a groundwater-driven health risk assessment. Two modeling approaches...
The Importance of Water Depth for Sparger Performance
As part of TVA Hydro Modernization Program, the two 59-year old Francis turbines at Norris Dam have been upgraded with new units. In conjunction with TVA's Reservoir Releases...
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