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Halifax Harbour Clean Up?A Research Perspective
The status of scientific research pertaining to the marine environmental aspects of the discharge of sewage effluent into Halifax Harbour, Canada is reviewed. The background to the local...

Cleaning North America's Beaches?Volunteers Across America Monitor the Quality of Our Coasts
The Center for Marine Conservation (CMC) has established a National Marine Debris Database to involve citizens in the collection of standardized information on marine debris. A comparison...

Results from Selected Oil-Spill Response Research
Recent large oil spills from tankers have reaffirmed the need for continuing technology assessment and research to improve oil-spill response capabilities. The Minerals Management Service...

Chemical Treating Agents for Oil Spill Response?Recent Research Results
Laboratory effectiveness tests have been developed for four classes of spill-treating agents; solidifiers, demulsifying agents, surface-washing agents and dispersants. Currently-available...

Environmental and Economic Feasibility of Water Supply Alternatives in Hawaii and California: Desalination, Water Marketing and Conservation
Increasing urban demand for potable water in Honolulu, Hawaii and Santa Barbara, California, jeopardizes scarce supplies. The objective of this analysis is to compare the costs and benefits...

The 301(h) Waiver & the Clean Water Act in Southern California
Throughout the late 1970's and 1980's Los Angeles City and county governments fought the Clean Water Act from being implemented. An amendment to the Clean Water...

Waste Water Disposal from Coastal Communities Economic and Environmental Consequences of Green Politics
As a result of increasing pressure from the European Commission and environmental groups the UK Government announced, in March 1990, that it would no longer allow the discharge of untreated...

Demonstration of Pesticide Best Management Practices for Controlling Nonpoint Source Pollution in the Monterey Bay Watershed
The U.S. Environmental Protection Agency has awarded a grant to the Association of Monterey Bay Area Governments for the purpose of conducting a two year demonstration project addressing...

Controlling Nitrogen Loading to Coastal Waters
Of the countless contaminants that reach coastal waters, nitrogen is one of the most problematic and least regulated. There is ample evidence that many coastal embayments are overwhelmed...

Risks of Transporting Petroleum and Other Materials from Offshore Oil and Gas Development
Oil and gas development offshore Santa Barbara County has lead to the preparation and adoption of local policies and mitigation programs specifically addressing the risks associated with...

Design Guidance for Nearshore Berm Construction
Construction of nearshore berms has been gaining acceptance as a cost effective beneficial use of dredged material. This paper presents a systematic methodology for design and evaluation...

A Systematic Analysis of Disposal Site Stability
This paper describes a systematic methodology for predicting the stability of dredged material disposal sites over long periods of time, ranging from months to years. The approach is based...

Analysis of Transport Processes on Ocean Disposal Mound
Disposal site 'F', an ocean disposal site for dredged sediments from Coos Bay, Oregon was designed to be a dispersive site. The site has not demonstrated high...

The Challenge of Meeting New Effluent Guidelines
Meeting new effluent guidelines is presenting a challenge to the environmental engineer. In most cases, existing plants must be retrofitted which will involve options of source treatment,...

PITTLEACH: A Numerical Model of Landfill Stabilization
This paper addresses the theoretical development, use and application of PITTLEACH, a computer program conceived to simulate the processes of landfill stabilization. Since the physical,...

Implementation of Vertical Landfill Expansion
Montgomery County, Maryland, proposed to implement a vertical expansion or 'piggyback' design for the County's municipal solid waste landfill. The...

Optimization Study of a Leachate Treatment System
A treatability study was conducted to evaluate the need for a metal precipitation and an ammonia stripping process in a leachate treatment system and to evaluate the biological nitrification...

Water Plan Deals Carson City a Good Hand?Carson City Revisited
The success of Carson City's new wastewater treatment plant is no surprise. It results from the City's Comprehensive Water Plan (CWP) for ultimate wastewater...

UV Disinfection of Wastewater: A Pilot-Scale Study of Performance
A pilot-scale study of UV disinfection under field conditions was conducted. Inactivation and photoreactivation was well correlated with UV dose. Standards of 100 coliform/100 mL were...

Evaluation of the City of Venice Urban Reuse Program
The City of Venice is located on the Gulf of Mexico in west central Florida. With a mild sub-tropical climate and coastal location, the small community is a prime target for rapid development....

 

 

 

 

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