Wireless System
The technology of using radio frequencies to communicate is not new. Ham radio and walkie talkies were the first form of radio communication used by the public; then the Citizen Band (CB)...

Potential Microbial Impacts on Groundwater Quality
Over the last decade there has been significant progress in the understanding of sub-surface microbiology. The ubiquity of microorganisms within groundwaters forms a major part of these...

VOC Inventory at New York City Wastewater Treatment Plants
Although the New York State Clean Air Act Amendments of 1990 (CAAA) implementation plan is not yet in place, the Citys Department of Environmental Protection (DEP) is taking a proactive...

Drainage Ponds and Demonstration Wetlands
In California's southern San Joaquin Valley, subsurface irrigation drainage pumped into shallow evaporation ponds often contains elevated concentrations of selenium. The selenium...

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)...

Overview of Drought Response Strategies
An overview of drought response strategies in the United States is presented. The paper focuses on tactical strategies for mitigating the impacts of drought conditions. A general structure...

Vapor Phase Biofiltration for Removal of VOCs
The selection of an appropriate packing material for the biofiltration process is an important factor in the removal of contaminants from vapor phase. This study evaluates two different...

Optimization of Soil Vapor Extraction System Design
Soil vapor extraction is a cost-effective technique for the removal of volatile organic compounds (VOCs) immobilized in the unsaturated zone. The design of a soil vapor extraction system...

Border Environment Cooperation Commission: 1995 Year End Status Report
1995...What a year! The Border Environment Cooperation Commission (BECC) opened its doors in February 1995, to lay the foundations of the organization whose purpose is to identify, develop,...

Biodegradation of Dichloromethane in Leachate
The biodegradation of dichioromethane (DCM) in landfill leachate is examined by means of a series of laboratory tests conducted in a controlled environment. These tests demonstrate that...

The Birth and Success of Orange County's Hydrology and Hydraulics Technical Group
The Orange County.s Hydrology and Hydraulics Technical Group (HHTG) has been very successful ever since it was founded in 1991. The HHTG is incorporated as a Technical Group under the...

Volunteer Organizations Use of Appropriate Technology in Developing Countries
The water and sanitation needs facing developing countries are formidable. This paper discusses the experience of a volunteer organization, the Water and Sanitation Consultancy Group,...

Fostering Reclamation through Cooperation
The WaterReuse Association of California is a statewide nonprofit organization dedicated to removing the barriers to water recycling in a State where water supply is a critical issue....

Water Resources Planning for the Fort Peck Indian Reservation, Montana
Water resources planning in Indian Country has produced varied results. On the Fort Peck Indian Reservation, the Assiniboine and Sioux Tribes are using an integrated approach to managing...

The Fate of Pathogenic Organisms in Mamala Bay
The fate of enteric organisms in Mamala Bay is studied using coupled hydrodynamic and pathogen fate models. The purpose of the study is to determine the contributions of various sources...

Cleaning Up Clay
Using soil vapor extraction to remove volatile organic compounds from ground water and unsaturated soils can achieve faster and more-complete cleanups than conventional pump-and-treat...

International Sourcebook for Construction Industry Product Assessment
Prepared by the Civil Engineering Research Foundation This report presents a summary of some of the key characteristics of 27 leading construction...

The Marketing Director and the Marketing Team
All employees of a firm are part of the marketing organization. The general staff indirectly performs their marketing task by doing their work well. The leaders of the organization, however,...

Highlights of Project Management
One of the most important persons in an A/E organization is the PM. There may be one or many, but they are the lifeblood of the firm. How are PMs trained, or are they? What directions...

Total Quality Management (TQM)
The PM's first responsibility is quality. This means quality of the final product along with quality and management throughout the project. The PM may belong to an organization...

 

 

 

 

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