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Regulatory Perspective on Ground Water Pollution Cleanup in the Santa Clara Valley
The Santa Clara Valley is located at the southern end of San Francisco Bay and serves as the home of approximately 1.2 million people. Approximately 40% of the Valley's water...

Remediation Technologies in Use for Groundwater and Soil Contamination in the Santa Clara Valley
Silicon Valley is known as the origin and the heart of the high technology (Hitech) industry. However, tech-nologies used for soils and groundwater remediation in the valley are not necessarily...

Alternative Technologies for Waste Minimization
The recently enacted waste minimization legislation, SB 14 (Roberti) places an additional regulatory burden on manufacturers in the Bay Area. The requirement for waste minimization plans...

Do the Right Thing
Engineers and scientists at the Center for Advanced Decision Support for Water and Environmental Systems (CADSWES) are developing software to support water resource and environmental decision...

U.S. Tackles Leaking Tanks
Regulations to deal with leaking underground storage tanks have been in force since 1984 and deadlines for compliance began in 1989 for tanks installed before 1969. The Environmental Protection...

Rochester Stops the Deluge
After a slew of stopgap waste-treatment plants failed to solve Rochester's chronic storm water and sewage overflow problem, city officials changed direction in the late 1960s....

Advancement in Tidal Hydraulics
This paper will discuss advances in the field of tidal hydraulics since the inception of the ASCE Hydraulics Division 50 years ago. Activities of the Committees on Tidal Hydraulics of...

Contributions by the Hydraulics Division of ASCE to the Advancement of Ground-Water Hydrology
Papers related to ground-water hydrology published in Proceedings of the ASCE and in Hydraulics Division journals from 1938 through mid-1988 are briefly summarized. The areas covered are...

The Pros and Cons of Public Education
Today, engineers work for a public that has lost faith in the government's ability to spend money efficiently and to contain pollutants effectively. Many engineers now see...

Down on the Farm
A `total approach' to sludge handling, from nitrogen management to sub-surface injection lines, helps grow corn in Colorado. Engineers have gone a long way to keep things...

Coal Gas Legacy
The remains of a former coal gasiication plant were uncovered during redevelopment of a site for the new City Hall in Waterloo, Ont. The coal tar waste was a dense, immiscible tarry fluid...

What's Wrong With Superfund
In nine years of the federal government's Superfund program, $4 billion has been spent and only 38 of the 1,175 sites on the national priority list have been cleaned. There...

Hydrogeology Comes to the Surface
Before concluding whether groundwater is safe or contaminated, engineers must understand the science of hydrogeology. If they don't understand hydrogeology, unnecessary and...

Barrier Beach Water Table Management
The solution to the water table elevation within a barrier beach, subject to the assumptions of a homogeneous and isotropic phreatic aquifer, is an ellipse with its long axis oriented...

Selection of Marine Bioindicators for Monitoring Radioactive Wastes Released from Nuclear Power Plants
The Brazilian Nuclear Program comprises the Angra I Nuclear Power Plant, in operational tests; the Angra II Nuclear Power Plant, under construction, expected to be completed in 1992; and...

Hydrobiological Characterization of Guanabara Bay
Guanabara Bay forms an ecological unity with serious environmental problems derived from an accelerated and unorganized process of urbanization without the necessary support. The UFRJ/Institute...

Vertical Distribution of Barnacles of the Intertidal Rocky Shores of Guanabara Bay, RJ, Brazil
This paper aims to give a quantitative analysis, using the belt-transect method, to describe the Balanomorpha species vertical zonation models of the intertidal in the rocky beaches of...

Heavy Metals Pollution Monitoring Through the Critical Pathways Analysis: The Sepetiba Bay Case
The methodology of the critical pathway analysis has been widely employed to monitor the environmental impact of nuclear power plants in the aquatic environment. This methodology has been...

POU/POE Devices: Availability, Performance, and Cost
In order to gather and summarize information and data on point of use/point of entry (POU/POE) devices, a committee was established by the Environmental Engineering Division of the American...

Expert Systems for Assessment of Radon Gas
This paper covers a brief discussion of enviro-geotechnical aspects of radioactive toxic radon gas. Basic information required for assessment and controlling this gas is summarized and...

 

 

 

 

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