Optimisation Of Corrosion Control For Lead In Drinking Water Using Computational Modelling Techniques
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Optimisation Of Corrosion Control For Lead In Drinking Water Using Computational Modelling Techniques
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Author : Colin Hayes
language : en
Publisher: IWA Publishing
Release Date : 2013-01-15
Optimisation Of Corrosion Control For Lead In Drinking Water Using Computational Modelling Techniques written by Colin Hayes and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-15 with Science categories.
In many respects, lead in drinking water has become a forgotten problem, since the mid 1980s when a range of environmental controls were implemented to reduce exposure to lead. This is largely because the sampling protocols, that underpin regulatory controls, are mostly inadequate and have tended to under-estimate the amount of lead that can be present in drinking water (IWA, 2010). Optimisation of Corrosion Control for Lead in Drinking Water Using Computational Modelling Techniques shows how compliance modelling has been used to very good effect in the optimisation of plumbosolvency control in the United Kingdom, particularly in the optimisation of orthophosphate dosing. Over 100 water supply systems have been modelled, involving 30% of the UK’s water companies. This “proof-of-concept” project has the overall objective of demonstrating that these modelling techniques could also be applicable to the circumstances of Canada and the United States, via three case studies. This report is the first in the Research Report Series published by the IWA Specialist Group on Metals and Related Substances in Drinking Water. Authors: Dr. C. R. Hayes and Dr. T. N. Croft Collaborators A. Campbell, City of Ottawa Water (CA) I. P. Douglas, City of Ottawa Water (CA) P. Gadoury, Providence Water (US) M. R. Schock, US Environmental Protection Agency (US)
Internal Corrosion Control Of Water Supply Systems
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Author : Colin Hayes
language : en
Publisher: IWA Publishing
Release Date : 2012-08-31
Internal Corrosion Control Of Water Supply Systems written by Colin Hayes and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08-31 with Science categories.
Part of Metals and Related Substances in Drinking Water Set - buy all five books together to save over 30%! This Code of Practice is concerned with metal pick-up by drinking water within the water supply chain, particularly from water mains and from domestic and institutional pipe-work systems. The principal metals of interest are copper, iron, and lead, and to a lesser extent nickel and zinc. The emphasis is on cold drinking water at its point of use by consumers. Metals arising from water sources and hot water systems are not considered. The intention is that this Code of Practice establishes an international standard for the control of internal corrosion of water supply systems. It provides a basis for identifying both problems and sustainable solutions in a manner which is sound scientifically and will help operators to achieve due diligence. It provides a template for improving internal corrosion control in countries, cities or towns where this has been neglected or poorly implemented. Internal Corrosion Control of Water Supply Systems is deliberately brief in its presentation of a wide array of complex information, in order to provide direction to practitioners that can be more easily related to their specific circumstances. The book also provides a series of check-lists and criteria to be used in risk assessment. Editor: Dr Colin R Hayes, University of Swansea, UK, Chair of IWA Specialist Group on Metals and Related Substances in Drinking Water.
Best Practice Guide On The Management Of Metals In Small Water Supplies
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Author : Matthew Bower
language : en
Publisher: IWA Publishing
Release Date : 2016-04-15
Best Practice Guide On The Management Of Metals In Small Water Supplies written by Matthew Bower and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-15 with Science categories.
The management of small water supplies presents a unique challenge globally, in countries at all stages of development. A combination of lack of resources, limited understanding of the risks and poor expertise means that individuals and communities may face serious health risks from these supplies. This is not only due to microbiological contamination, but also from contamination by metals, either due to natural or man-made contamination of the source water or through leaching from plumbing materials due to inadequate conditioning and corrosion inhibition and use of inappropriate materials. This Best Practice Guide aims to share best practice and experience from around the world on a practical level. It looks at general issues relating to small supplies and ways of managing these, adopting a Water Safety Plan approach to deliver sound and lasting improvements to quality. Management techniques and treatment relating to specific metals will be covered, from a theoretical and practical perspective, to deliver a publication that will act as an authoritative guide for all those faced with the problem of ensuring the quality of a small water supply. Varied case-studies will help to illustrate issues and ways in which they have been resolved. Table of contents The Difficulties of Managing Water Quality in Small Water Supplies; What are Small Supplies?; The Management and Regulation of Small Water Supplies; The Vulnerability of Small Water Supplies to Contamination by Metals; Water Safety Plans for Small Water Supplies; Making WSPs Work for Small Supplies; Teamwork- The Value of a WSP Team; A Practical Guide to Developing a WSP for a Small Supply; Practical Guidance for Risk Assessments; Establishing the Metals Problem: Risk Assessment, Sampling and Analysis; The Range of Possible Problems; Metal Solubility and Influencing Factors; Risk Assessment of Small Water Supply Systems; Sampling and Analysis; Consumer Awareness; Sources of Metals in Small Water Supplies; Origin of Contaminants; Contamination of Surface Waters; Contamination of Ground Water; Contamination from Treatment Processes; Contamination in Distribution Pipework; Contamination from Plumbing Fittings; Water Treatment Processes Available for Use on Small Water Systems; Process Selection; Types of Treatment; Practical Considerations of Treatment for Metals in Small Water Supplies; Iron; Manganese; Conditioning of Water to Prevent Dissolution of Plumbing Materials or Post-treatment Contamination; Treatment is Only Part of the Story; Indications and Effects of Post-treatment Metal Contamination in Small Water Supplies; Establishing the Source of the Problem; Factors Controlling the Corrosion of Metals into Small Water Supplies; The Conditioning of Water to Minimise Corrosion; Manual of Individual Metals in Small Water Supplies, Aluminium, Antimony, Arsenic, Barium, Beryllium, Boron, Cadmium, Chromium, Cobalt, Copper, Iron, Lead, Manganese, Mercury, Nickel, Selenium, Tin, Tungsten, Uranium, Vanadium, Zinc; Case Studies; Arsenic removal in Small Supplies in Italy; A New Borehole Supply with Iron Removal for a Single Property in England, UK; Metals in Small Water Supplies in Areas of Water Scarcity in African Regions; Unexplained Lead Contamination of a Small Water Supply in Northern Scotland EDITORS Matt Bower, Drinking Water Quality Regulator for Scotland, UK Colin Hayes, Swansea University, UK
Selected Water Resources Abstracts
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Author :
language : en
Publisher:
Release Date : 1990
Selected Water Resources Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Hydrology categories.
Best Practice Guide On The Control Of Lead In Drinking Water
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Author : Colin Hayes
language : en
Publisher: IWA Publishing
Release Date : 2010-03-31
Best Practice Guide On The Control Of Lead In Drinking Water written by Colin Hayes and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-03-31 with Science categories.
Part of Metals and Related Substances in Drinking Water Set - buy all five books together to save over 30%! Visit: http://iwapublishing.com The Best Practice Guide on the Control of Lead in Drinking Water brings together, for the first time, all of the regulatory, health, monitoring, risk assessment, operational and technological issues relevant to the control of lead in drinking water. Its focus is Europe and North America and the Guide benefits from the input of an international research network involving 28 countries. A large range of illustrative examples and case studies are provided. The Guide will be of interest to scientists, engineers, regulators and health specialists who are involved in the provision of safe drinking water. The reader will gain a comprehensive understanding of how to assess lead in drinking water problems, both in the water supply systems that serve a City, Town or rural area and at individual properties, dependent on their knowledge of pipe-work circumstances and water quality. Options for corrective action are outlined and their strengths and weaknesses explained, with information on costs and environmental impact. The reader should then be able to develop a strategy for controlling lead in drinking water in their area, establish an appropriate monitoring programme, select the right combination of corrective measures, and define the level of risk reduction that will likely be achieved. The Best Practice Guide provides a succinct compilation of the wide range of issues that relate to lead in drinking water, at a time when the regulations are under review in both Europe and North America. It will also be very relevant to all those implementing the Protocol on Water and Health, as lead in drinking water has recently been adopted as one of the key issues requiring assessment, improvement planning and reporting. The key features are: For the first time, all the complex inter-related aspects of lead in drinking water have been brought together. The detailed explanations given on sampling and monitoring should avoid mistakes being repeated. The information on optimising corrective treatment measures is the most comprehensive to date. The Best Practice Guide will facilitate the protection of water consumers from lead contamination and reduce associated health risks. This Guide is one of a series produced by the International Water Association’s Specialist Group on Metals and Related Substances in Drinking Water. It is a state-of-the-art compilation of the range of scientific, engineering, regulatory and operational issues concerned with the control of lead in drinking water. Download the free Guide for Small Community Water Suppliers and Local Health Officials on Lead in Drinking Water at: http://iwapublishing.com/books/9781843393801/guide-small-community-water-suppliers-and-local-health-officials-lead-drinking Visit the IWA WaterWiki to read and share material related to this title:http://www.iwawaterwiki.org/xwiki/bin/view/Articles/LeadinDrinkingWater
Physical Activity And Health
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Author : Claude Bouchard
language : en
Publisher: Human Kinetics
Release Date : 2012-02-29
Physical Activity And Health written by Claude Bouchard and has been published by Human Kinetics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-02-29 with Science categories.
The human body is designed for activity. For most of our history, physical activity was required for survival, but technological advances have eliminated much of the need for hard physical labor. As our activity levels have dropped, it has become clear that a physically inactive lifestyle can lead to a host of health problems. Physical Activity and Health, Second Edition, provides a comprehensive treatment of the research on the benefits of a physically active lifestyle in comparison with the harmful consequences of physical inactivity. Written by leading scientists from the United States, Canada, Europe, and Australia, Physical Activity and Health, Second Edition, brings together the results of the most important studies on the relationship between physical activity, sedentarism, and various health outcomes. The second edition has been fully updated based on the latest advances in this rapidly changing field and expanded to include the following new content: • A chapter on the physiology of inactivity and the effects of sedentary behavior even in people who engage in appropriate amounts of physical activity, which is an area of growing interest • More extensive coverage of physical activity, aging, and the brain, including a new chapter on the relationship between physical activity and brain structures and functions • A chapter on the development of national and international physical activity and health guidelines, which will help readers better understand how scientific findings are converted into practical recommendations Physical Activity and Health, Second Edition, offers a detailed yet concise presentation of key concepts as well as a framework to help readers relate results from single studies or collections of studies to the overall paradigm linking physical activity and physical fitness to health. For each of the topics covered, the text provides an overview of the most important research findings, discusses the limitations of the current knowledge base, and identifies directions for future investigation. At the core of the text is a review of our current understanding of how physical activity affects health concerns such as cardiovascular disease, diabetes, cancer, and obesity as well as aging and mental health. The text identifies sedentary living habits and poor fitness as major public health problems and examines the potential of physical activity to prevent disease and enhance quality of life. This complete resource also looks at the evolution of the field of physical activity and health; variations in physical activity levels across age, sex, and ethnic groups; the body’s physiological responses to physical activity; dose-response issues; and the influence of genetics on physical activity, fitness, and health. The book ends with an integration of the issues covered and discusses new opportunities for research. The second edition of Physical Activity and Health continues to offer clear, user-friendly coverage of the most important concepts and research in the field. Numerous special features will aid readers in their comprehension of the material. Chapter outlines and callout boxes help readers key in on important topics and focus their reading, and chapter summaries, definitions of key terms, and study questions provide tools for review and self-testing. Commonly used acronyms and abbreviations are found on the interior covers for handy reference. Where other books have simply promoted physical activity for the individual or a population, Physical Activity and Health, Second Edition, completely integrates current knowledge of the relationship between physical activity and health. With contributions from some of the finest scientists in the field, this comprehensive text offers information unmatched in accuracy and reliability.
Advances In Water Distribution Networks
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Author : Giuseppe Pezzinga
language : en
Publisher: MDPI
Release Date : 2019-02-28
Advances In Water Distribution Networks written by Giuseppe Pezzinga and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-28 with Technology & Engineering categories.
The Special Issue on Advances in Water Distribution Networks (WDNs) explores four important topics of research in the framework of WDNs, namely simulation and optimization modelling, topology and partitioning, water quality, and service effectiveness. With regard to the first topic, the following aspects are addressed: pressure-driven formulations, algorithms for the optimal location of control valves to minimize leakage, the benefits of water discharge prediction for the remote real time control of valves, and transients generated by pumps operating as turbines. In the context of the second topic, a topological taxonomy of WDNs is presented, and partitioning methods for the creation of district metered areas are compared. In relation to the third topic, the vulnerability to trihalomethane is assessed, and a statistical optimization model to minimize heavy metal releases is presented. Finally, the fourth topic focusses on the estimation of non-revenue water, including leakage and unauthorized consumption, and on the assessment of service under intermittent supply conditions.
Selected Water Resources Abstracts
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Author :
language : en
Publisher:
Release Date : 1990
Selected Water Resources Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Water categories.
Materials Performance
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Author :
language : en
Publisher:
Release Date : 1993
Materials Performance written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Corrosion and anti-corrosives categories.
Epa Publications Bibliography Quarterly Abstract Bulletin
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Author : United States. Environmental Protection Agency
language : en
Publisher:
Release Date : 1997-10
Epa Publications Bibliography Quarterly Abstract Bulletin written by United States. Environmental Protection Agency and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-10 with Environmental protection categories.