Weighing a New Hospital Against Health Risks?
In this Mead award-winning essay, the author sets up a hypothetical situation to portray an ethical dilemma. A fictitious firm is approached to design a badly needed hospital in a Third...

Salvaged Sand
Waste foundry sand has been rediscovered as a road construction material now that environmental concerns about its use have been laid to rest. Certain types of waste foundry sand, a by-product...

Final Covers for Solid Waste Landfills and Abandoned Dumps
This book presents the essential elements for the design of final covers for solid waste landfills and abandoned dumps. Chapter 1 gives an overview and presents selected aspects of regulations...

Saving the Bluffs: Engineering at the Edge
Erosion and landslides along the bluffs bordering the Mississippi River in Natchez, Miss. became an emergency situation when the only road to residents below the bluff was cut off from...

Wonderwall
A Superfund site near Seattle was surrounded by a 2,200-ft-long soil-bentonite wall to keep contaminants from entering nearby water sources. An earlier remediation effort had failed to...

Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management
The Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management publishes articles relating to the allied engineering and scientific disciplines involved in the environmental aspects of the...

General Procedures for Conducting an Investigation
This section covers general procedures for conducting an investigation. Topics include lifelines and critical facilities to be investigated; the role of the team leader; getting started;...

Containing Spills and Fire
A $95 million project to consolidate five jet fuel supply facilities that serve Los Angeles International Airport is nearing completion. The project shows how codes for wastewater-treatment...

Spawning a Hydroelectric Plant
A hydroelectric facility which utilizes fishway attraction water on the Columbia River between Washington and Oregon will tap a neglected source of power and save many endangered fish...

Environmental Site Investigation Guidance Manual
This manual, Environmental Site Investigation, was prepared as a guidance on procedures for investigating and characterizing a site that may...

Capital Facelift Takes Flight
Since 1988, one of the largest and most complex airport renovation projects in U.S. aviation history has been under way in Washington, D.C. Known as the Capital Development Program, the...

Bridge Over the River Karnali
Just as topping Nepal's Mount Everest requires great stamina from mountain climbers, building the Karnali River Bridge in a remote region of western Nepal required six years...

Critical Issues in the Monitoring and Control of Toxic Air Contaminants at POTWs
Todays challenge at Publicly Owned Treatment Works (POTWs) is to assess and reduce the environmental risk posed by toxic air contaminants (TACs). This paper attempts to identify the critical...

A Simplified Process Audit to Design an Affordable Pollution Prevention and Waste Management Plan - Part 1
This paper presents a simplified approach to the general audit procedure that is applicable to the Small and Medium Enterprise (SME). The process leads to the identification of major sources...

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....

Permeability of Clay Liners with Contaminants
Clays are increasingly used as liners for waste disposal facilities. Chemical compatibility studies with hydraulic conductivity tests must be performed to determine the effect of the waste...

Design and Implementation of a Multi-Faceted Site Remediation
This technical paper presents a case history of the design, construction, and start-up of a multi-faceted site remediation system. The case history includes a description of the site background,...

Secondary Containment Design Practices
Over the past several decades the design approach to containment of spills has not been consistent resulting in release of hazardous substances into the environment. The increased discovery...

Study of Biological Reactors for Control of Odor, VOC and Toxic Emissions from Wastewater Treatment Plants
An experiment was performed to assess the use of biological reactors to treat off-gases from publicly owned treatment works (POTWs) containing low concentrations of hydrogen sulfide (H2S)...

South Carolina Department of Transportation's Statewide Program of Bridge Scour Evaluation
The South Carolina Department of Transportation (SCDOT) has instituted a program to satisfy the FHWAs requirements to evaluate the scour potential of the Nations bridges. The SCDOT's...

 

 

 

 

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