Natural Arsenic In Groundwater
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Natural Arsenic in Groundwaters of Latin America
Author | : Jochen Bundschuh,M. A. Armienta,Peter Birkle,Prosun Bhattacharya,Jörg Matschullat,A. B. Mukherjee |
Publsiher | : CRC Press |
Total Pages | : 784 |
Release | : 2008-09-23 |
Genre | : Science |
ISBN | : 9780415407717 |
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Groundwater resources naturally contain high levels of arsenic in many parts of the world. Over the last two decades, the As-containing groundwater in South-East Asia has received much attention, but the situation is just as crucial in Latin America, where the number of studies is still relatively low, and the extent and severity of As-exposure in the populations has yet to be fully evaluated. This book aims to promote knowledge of the occurrence and genesis of As-rich groundwater in Latin America. It deals with constraints on the mobility of As in groundwater, As-uptake from soil and water by plants, As-propagation through the food chain, human health impacts, and As-removal technologies. Case studies are presented from Argentina, Bolivia, Chile, Ecuador, El Salvador, Mexico, Nicaragua and Peru, amongst others, and are viewed against the background of experience from other world regions. The book is a state-of-art overview of arsenic research in Latin America. It aims to create interest within the Latin American countries affected by the presence of arseniferous aquifers and to increase awareness among administrators, policy makers and company executives. It will also serve to inform the international scientific community, and improve international cooperation on arsenic in groundwater.
Natural Arsenic in Groundwater
Author | : J. Bundschuh,P. Bhattacharya,D. Chandrasekharam |
Publsiher | : CRC Press |
Total Pages | : 356 |
Release | : 2005-01-06 |
Genre | : Technology & Engineering |
ISBN | : 9781134210800 |
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Arsenic contamination has become a global phenomenon. With the development of advanced technological detection tools, more geographical areas have been identified. The people most affected are those in the poorer socio-economic groups. The research articles in this book have been contributed by scientists working in areas severely a
Arsenic in Drinking Water
Author | : Subcommittee on Arsenic in Drinking Water,Commission on Life Sciences,Division on Earth and Life Studies,National Research Council |
Publsiher | : National Academies Press |
Total Pages | : 331 |
Release | : 1999-06-28 |
Genre | : Science |
ISBN | : 9780309553674 |
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The U.S. Environmental Protection Agency (EPA) has been considering a more stringent regulation of arsenic in water. A significant reduction in the maximum contaminant level (MCL) could increase compliance costs for water utilities. This book discusses the adequacy of the current EPA MCL for protecting human health in the context of stated EPA policy and provides an unbiased scientific basis for deriving the arsenic standard for drinking water and surface water. Arsenic in Drinking Water evaluates epidemiological data on the carcinogenic and noncarcinogenic health effects of arsenic exposure of Taiwanese populations and compares those effects with the effects of arsenic exposure demonstrated in other countriesincluding the United States. The book also reviews data on toxicokinetics, metabolism, and mechanism and mode of action of arsenic to ascertain how these data could assist in assessing human health risks from arsenic exposures. This volume recommends specific changes to improve the toxicity analyses and risk characterization. The implications of the changes for EPAs current MCL for arsenic are also described.
Arsenic in Ground Water
Author | : Alan H. Welch,Kenneth G. Stollenwerk |
Publsiher | : Springer Science & Business Media |
Total Pages | : 476 |
Release | : 2007-05-08 |
Genre | : Science |
ISBN | : 9780306479564 |
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Interest in arsenic in ground water has greatly increased in the past decade because of the increased awareness of human health effects and the costs of avoidance or treatment of ground water supplies used for consumption. The goal of this book is to provide a description of the basic processes that affect arsenic occurrence and transport by providing sufficient background information on arsenic geochemistry and descriptions of hi- arsenic ground water, both affected and unaffected by human activity. An understanding of thermodynamics, adsorption, and the speciation of arsenic in solid phases, which are described in first three chapters, is needed to predict the fate of arsenic in ground water systems. Large-scale and deep movement of ground water can and has redistributed arsenic in the near surface environment, as described in the next two chapters. These large-scale systems can affect large volumes of both ground water and surface water, such as in the Yellowstone system, and can produce mineralised zones that subsequently release arsenic to ground water supplies. Regional identification of high-arsenic ground water and its consumption as described in the next three chapters clearly demonstrates a need for increased wat- quality monitoring, particularly in south and southeast Asia. Chapters 9-11 provide examples of high arsenic ground water associated with sulfide mineral oxidation and alkaline conditions. Finally, smaller scale studies of the effects of human activities that have produced high-arsenic ground water and methods for attenuation of ground water are presented.
Natural Arsenic in Groundwater
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Author | : Jochen Bundschuh,Prosun Bhattacharya,D. Chandrasekharam |
Publsiher | : Unknown |
Total Pages | : 339 |
Release | : 2005 |
Genre | : Electronic Book |
ISBN | : OCLC:1123850437 |
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Arsenic in Soil and Groundwater Environment
Author | : Prosun Bhattacharya,Arun B. B. Mukherjee,Jochen Bundschuh,Ron Zevenhoven,Richard H. Loeppert |
Publsiher | : Elsevier |
Total Pages | : 684 |
Release | : 2007-06-29 |
Genre | : Technology & Engineering |
ISBN | : 0080522904 |
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This volume presents the recent developments in the field of arsenic in soil and groundwater. Arranged into nine sections, the text emphasizes the global occurrences of arsenic in the environment, particularly on its source, pathways, behavior, and effects it has on soils, plants, water, animals, and humans. It also covers the diverse issues of arsenic in the mining environment, arsenic emanating from hydrothermal springs, and the geochemical modeling of arsenic adsorption to oxide surfaces. Finally, the text includes different cost effective removal mechanisms of arsenic from drinking water using natural red earth, solar oxidation, and arsenic oxidation by ferrrate. Written in simple English, and few technical terms, the book is designed to create interest within the countries with occurrences of arsenic in drinking water with · an update the current status of knowledge on the dynamics of natural arsenic from the aquifers through groundwater to food chain and efficient techniques for arsenic removal. · serve as a standard text book for graduate, postgraduate students and researchers in the field of Environmental Sciences and Hydrogeochemistry as well as researchers, environmental scientists and chemists, toxicologists, medical scientists and even for general public seeking an in-depth view of arsenic which had been classed as a carcinogen. · bring awareness, among administrators, policy makers and company executives, on the problem and to improve the international cooperation
Arsenic in Groundwater
Author | : M. Manzurul Hassan,Peter J. Atkins |
Publsiher | : CRC Press |
Total Pages | : 304 |
Release | : 2016-01-15 |
Genre | : Technology & Engineering |
ISBN | : 1439839271 |
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Arsenic-contaminated groundwater has created one of the world's largest environmental health crises. This book addresses the arsenic issue within a scientific and social science framework, with the context set by environmental and legal considerations. The text explores the methodological issues of spatial, quantitative, and qualitative enquiries on arsenic poisoning, for instance, using GIS to investigate the distribution of arsenic-laced water in space-time to uncover the pattern of variations over scales from meters to kilometers. The authors also include spatial risk maps that indicate the possible long-term strategies of mitigation.
Arsenic Pollution
Author | : Peter Ravenscroft,Hugh Brammer,Keith Richards |
Publsiher | : John Wiley & Sons |
Total Pages | : 625 |
Release | : 2011-07-26 |
Genre | : Medical |
ISBN | : 9781444355468 |
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Arsenic Pollution summarizes the most current research on the distribution and causes of arsenic pollution, its impact on health and agriculture, and solutions by way of water supply, treatment, and water resource management. Provides the first global and interdisciplinary account of arsenic pollution occurrences Integrates geochemistry, hydrology, agriculture, and water supply and treatment for the first time Options are highlighted for developing alternative water sources and methods for arsenic testing and removal Appeals to specialists in one discipline seeking an overview of the work being done in other disciplines