Design and Construction of TCE/PCE Removal Facilities
This paper presents a review of the design and construction of a facility in Arcadia, California, to remove trichloroethylene (TCE) and tetrachlorethylene (PCE) from groundwater. The City...
Selecting a Stormwater Service Level for Urban Control
Recently, more and more emphasis is being placed on the maintenance of pre- and post-development runoff peaks from a specified design storm. The limit on post-development flood peaks requires...
Mixed Solute Interactions in Groundwater Systems
Research results are presented from a study examining the competitive sorption effects of two organic chemicals, para-dichlorobenzene and 2,4-dichlorophenol, to solids from the Cohansey...
Land Renewal with Topsoil from Clyde Port Dredgings
The paper examines the potential of using sediment dredged from the River Clyde estuary as a topsoil in land renewal. It presents results, to date (1986), of a study sponsored by the Scottish...
Community Relations on Hazardous Waste Projects: A Successful Experience
Promoting good community relations is an integral part of hazardous waste projects. Before field investigations are conducted at a hazardous waste site, neighboring communities should...
Effects of Irrigated Agriculture on Groundwater Quality in the Corn Belt and Lake States
Irrigation of croplands has the potential to increase the rates at which water soluble substances are leached from soil into underlying aquifers. This paper evaluates the impact of irrigated...
Effect of Irrigated Agriculture on Ground-Water Quality in the Appalachian and Northeastern States
Irrigation acreage has more than doubled in Virginia, North Carolina, Delaware and Maryland in the last 10 years. Ground-water studies have been conducted in Delaware, Maryland and New...
Ground Water Pollution Potential from Irrigation?Eastern United States
The purpose of this paper is to present an evaluation method for determining the influence irrigation of agricultural land has on regional ground water quality. It integrates data on irrigation...
Effects of Agriculture on Ground-Water Quality in Dade County, Florida
Multidepth wells at five test fields and a monitoring network of water-table wells in Dade County, Florida, were sampled twice during 1985 to determine concentrations of nitrogen, phosphorus,...
A Model Relating Water and Sediment Yield to Upstream Agricultural Practices
A physical-process model is formulated to quantify daily water and sediment yield as related to upstream land use, land management, and soil and water conservation measures. This model...
What About the Point-of-Use?
Point-of-use (POU) granular activated carbon (GAC) treatment devices are being installed more frequently on community water sytems and on private wells. This article describes carbon filter...
An Optimization Model for Use in Analysis and Design of Wastewater Treatment Systems
The objective of present wastewater treatment plant design is to provide a cost effective processing system for a given waste-water. Generally each of the unit processes is designed to...
A Computer Program Simulation of the Effect of Upstream Agricultural Practices on the Survival of Salmonid Embryos
A physical-process based computer program was developed to quantify the cause and effect relationship between the survival of salmonid embryo and upstream agricultural practices. The impact...
Trash Busters ? A Comparison of Screening Structures for Irrigation Systems
Several irrigation districts in the Pacific Northwest have recently installed screening structures for use in removal of trash from canals, rivers, or reservoirs. Some of the screens have...
Fate of Chemical Contaminants in Soil
Soil as a medium for storage, attenuation, immobilization, or degradation of chemicals has not provided the capability and protection of resources that was predicted in past fate studies...
Design Criteria for Mass Culturing Spirulina Algae
One extract of Spirulina, developed by Dr. Christopher Hills has been used as a nutrient for cell cultures and contains a growth factor called Spirulina Growth Factor. Another extract...
Use of Nondestructive Testing in Rehabilitation of Wood Cooling Towers
State-of-the-art nondestructive evaluation (NDE) techniques, destructive testing, structural analysis, degradation rate models and statistical analysis are combined to optimize a major...
Environmental Engineering
Over 80 of the papers presented at the 1986 National Convention on Environmental Engineering are included in this book. The major categories covered include air, noise, and radiation management,...
Environmental Considerations in Risk-Based Decision Making in Water Resources
In the hypothetical Royal River Project there are several factors pertaining to environmental issies; these factors have a bearing on selection among the several alternatives and lead,...
Behavior of Concrete Bulkheads in Salt Drifts
Parameters studies of the behavior of a plug made from expansive concrete have been performed. Such plugs are now being field tested for sealing boreholes, shafts and drifts at an underground...
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