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Author:
Publisher:
ISBN:
Category : Hazardous substances
Languages : en
Pages : 24
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Book Description
Author:
Publisher:
ISBN:
Category : Hazardous substances
Languages : en
Pages : 24
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Book Description
Author: Lee Botts
Publisher: Dave Dempsey Environmental
ISBN:
Category : Nature
Languages : en
Pages : 404
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Book Description
Water quality concerns are not new to the Great Lakes. They emerged early in the 20th century, in 1909, and matured in 1972 and 1978. They remain a prominent part of today's conflicted politics and advancing industrial growth. The Great Lakes Water Quality Agreement, under the Boundary Waters Treaty of 1909, became a model to the world for environmental management across an international boundary. Evolution of the Great Lakes Water Quality Agreement recounts this historic binational relationship, an agreement intended to protect the fragile Great Lakes. One strength of the agreement is its flexibility, which includes a requirement for periodic review that allows modification as problems are solved, conditions change, or scientific research reveals new problems. The first progress was made in the 1970s in the area of eutrophication, the process by which lakes gradually age, which normally takes thousands of years to progress, but is accelerated by modern water pollution. The binational agreement led to the successful lowering of phosphorus levels that saved Lake Erie and prevented accelerated eutrophication in the rest of the Great Lakes ecosystem. Another major success at the time was the identification and lowering of the levels of toxic contaminants that cause major threats to human and wildlife health, from accumulating PCBs and other persistent organic pollutants
Author:
Publisher:
ISBN:
Category : Chemicals
Languages : en
Pages : 70
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Book Description
After introductory sections on the transport and fate of contaminants in the Great Lakes and contaminant loadings to the lakes, this paper presents ambient concentrations and trends (in the water column, in open-lake fish, in herring gulls, and in the atmosphere). The paper focuses on the 11 critical contaminants identified by the International Joint Commission, including organochlorines, heavy metals, and polycyclic aromatic hydrocarbons. The goal is to provide sufficient information on contaminant levels and trends to stimulate discussion among interested parties, and to assist future decision-making on Great Lakes environmental quality issues. The paper also outlines linkages between contaminants and other ecosystem components. The appendix includes a review of existing contaminant monitoring programs in the Great Lakes region and descriptions of the contaminants considered in the paper.
Author: Jerome O. Nriagu
Publisher: Wiley-Interscience
ISBN:
Category : Medical
Languages : en
Pages : 554
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Book Description
Examines the effects and problems of toxic contaminants entering into and moving through the Great Lakes, describing the physical and chemical processes of lake pollution. With a view to control these processes, this volume includes methodologies for environmental monitoring. Analyzes the processes and effects of major contaminants including lead, PCBs, and dioxin.
Author: Eric Schaeffer
Publisher:
ISBN:
Category : Environmental policy
Languages : en
Pages : 42
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Book Description
Author: Canada. Environment Canada
Publisher:
ISBN:
Category : Hazardous wastes
Languages : en
Pages : 280
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Book Description
Author: N. W. Schmidtke
Publisher: Chelsea, Mich. : Lewis Publishers
ISBN: 9780873710886
Category : Science
Languages : en
Pages : 456
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Book Description
Author:
Publisher:
ISBN:
Category : Mercury
Languages : en
Pages : 388
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Book Description
Author: Ronald A. Hites
Publisher: Springer
ISBN: 9783642067143
Category : Science
Languages : en
Pages : 441
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Book Description
Pollution threatens the Laurentian Great Lakes and is a serious problem. This book examines what is known about the major classes of persistent toxic organic pollutants. Agricultural runoff, urban waste, industrial discharge, landfill leachate, and atmospheric deposition, are all to blame. Contamination of the various ecosystems is reviewed, and what is known about the effects of this pollution. This volume provides an invaluable resource for those in environmental research, measurements, and decision making concerning the Great Lakes.
Author: Hrissi K. Karapanagioti
Publisher: IWA Publishing
ISBN: 1789060028
Category : Technology & Engineering
Languages : en
Pages : 237
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Book Description
This book covers the topic of microplastics in water and wastewater. The chapters start with introductory issues related to the growing interest in the scientific community on microplastics and the human water cycle and point out where the microplastics could interact with water. The subsequent chapters examine evidence of the microplastic presence in freshwater, such as in both rivers and lakes, in freshwater biota, and hazardous chemicals associated with microplastics in such systems. Another set of chapters discuss the presence of microplastics in wastewater: their sources; their transfer through a wastewater treatment plant; the concentration of microplastics in effluents throughout the world; the plastic biomedia used in wastewater treatment plants and the effect on the surrounding environment of effluent wastewater pipes. These chapters also discuss the sampling methods, the sample treatment and analysis techniques used so far for microplastics in wastewater. Additionally, the presence of microplastics in sewage sludge and in soils irrigated with wastewater or fertilized with sludge are discussed. The possible impact of plastics and their additives on plants, microalgae, and humans are reviewed and presented in a critical way. Finally, a chapter summarizes all the relevant regulations and initiatives that point to the necessity of a global directive for the protection of the environment from plastic and microplastic pollution. The topic of microplastics in freshwater systems and in wastewater has scarcely been studied and requires more attention. Microplastics in Water and Wastewater aims to bring these initial findings to the attention of a broader audience and especially to operators and managers of freshwater and wastewater systems. It will also be helpful to people already aware of the marine debris problem to understand the sources of microplastics in the oceans, from freshwater systems and wastewater treatment plants.
