Influence Of Distribution System Infrastructure On Bacterial Regrowth

Author : Jonathan Clement
Publisher : IWA Publishing
ISBN 13 : 1843398583
Total Pages : 142 pages
Book Rating : 4.85/5 ( download)

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Download or read book Influence of Distribution System Infrastructure on Bacterial Regrowth written by Jonathan Clement and published by IWA Publishing. This book was released on 2004-01-01 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study has shown that higher levels of carbon supported greater biofilm growth and planktonic populations on the materials that were tested, although the effect was most pronounced on iron pipe. Utilities with significant amounts of iron pipe in their distribution systems may be faced with the greatest regrowth potential. For utilities that also distribute water that is high in natural carbon, this problem may be compounded. Therefore, reducing the organic carbon in the finished water may be effective for any utility wishing to reduce regrowth problems in their distribution system. Other alternatives for utilities wishing to reduce biofilms in the distribution system can include any or all of the following: replacing or relining iron pipe in the system, increasing disinfectant, and implementing effective corrosion control. Originally published by AwwaRF for its subscribers in 2003

Author :
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.77/5 ( download)

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Download or read book Influence of Distribution System Infrastructure on Bacterial Regrowth written by and published by . This book was released on 2003 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : John E. Dyksen
Publisher : American Water Works Association
ISBN 13 : 1583215352
Total Pages : 316 pages
Book Rating : 4.57/5 ( download)

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Download or read book Long-Term Effects of Disinfection Changes on Water Quality written by John E. Dyksen and published by American Water Works Association. This book was released on 2007 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: In response to many U.S. water utilities that are considering changing disinfectants from chlorine to alternative disinfectants, this research has been undertaken to gain knowledge of long-term effects.

Author : Graham A. Gagnon
Publisher : American Water Works Association
ISBN 13 : 1583215417
Total Pages : 164 pages
Book Rating : 4.18/5 ( download)

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Download or read book Coliforms in Distribution Systems written by Graham A. Gagnon and published by American Water Works Association. This book was released on 2007 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project is to understand the potential mechanisms of antimicrobial resistance of E. coli and opportunistic pathogens under disinfection conditions. The project involves molecular techniques to understand genetic changes in biofilm and suspended bacteria in response to different disinfectant conditions. It examines the effects of using single chemical disinfectants (free chlorine, chloramines, and chlorine dioxide) compared with UV light pretreatment, as well as the impact of pipe material (polycarbonate or cast iron) and E. coli mutations. Field studies include both surface water and groundwater.

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309103061
Total Pages : 405 pages
Book Rating : 4.60/5 ( download)

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Download or read book Drinking Water Distribution Systems written by National Research Council and published by National Academies Press. This book was released on 2007-01-22 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Protecting and maintaining water distributions systems is crucial to ensuring high quality drinking water. Distribution systems-consisting of pipes, pumps, valves, storage tanks, reservoirs, meters, fittings, and other hydraulic appurtenances-carry drinking water from a centralized treatment plant or well supplies to consumers' taps. Spanning almost 1 million miles in the United States, distribution systems represent the vast majority of physical infrastructure for water supplies, and thus constitute the primary management challenge from both an operational and public health standpoint. Recent data on waterborne disease outbreaks suggest that distribution systems remain a source of contamination that has yet to be fully addressed. This report evaluates approaches for risk characterization and recent data, and it identifies a variety of strategies that could be considered to reduce the risks posed by water-quality deteriorating events in distribution systems. Particular attention is given to backflow events via cross connections, the potential for contamination of the distribution system during construction and repair activities, maintenance of storage facilities, and the role of premise plumbing in public health risk. The report also identifies advances in detection, monitoring and modeling, analytical methods, and research and development opportunities that will enable the water supply industry to further reduce risks associated with drinking water distribution systems.

Author : Ryan Jordan
Publisher : Cytergy
ISBN 13 : 0974180211
Total Pages : 282 pages
Book Rating : 4.12/5 ( download)

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Download or read book Advances in Biofilm Science and Engineering written by Ryan Jordan and published by Cytergy. This book was released on 2004 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microbial biofilms provide challenges in many fields of science, technology, and engineering. Advances in Biofilm Science and Engineering offers a state of the art review of new science about microbial biofilms in the areas of biotechnology, healthcare, and medicine.The purpose of this text is to strengthen [the biofilm] information nucleus by offering six core discussions of established concepts in biofilm science. The audience for this text is not just academic; it is trade. This book is for physicians, industrial microbiologists, product managers, process engineers, policy makers and public health officials. [The] authors represent some of the brightest researchers in the field of biofilm science and engineering and comprise a small subset of the research community with a passion for bringing biofilm information to industrial and medical trade professionals.Table of ContentsForward, by Ryan JordanChapter 1. The History and Use of Heterotrophic Plate Counts in Water Systems, by Anne Camper (Center for Biofilm Engineering, Montana State University)Chapter 2. Methods for Biofilm Study and Assays for Biofilm Susceptibility and Target Recognition: Approaches to Deal with the Biofilm Mode of Life, by Howard Ceri, Merle E. Olson, D. Storey, and D. Morck (Biofilm Research Group and Biological Sciences, University of Calgary)Chapter 3. Extracellular Polymeric Substances, by H.C. Flemming and J. Wingender (Gerhard-Mercator-University Duisburg Insitute of Interfacial Biotechnology Department of Aquatic Microbiology, Duisburg, Germany)Chapter 4. Biofilms and Antimicrobial Resistance: Beyond Physiological and Chemical Elements, by Peter Gilbert and Andrew McBain (School of Pharmacy and Pharmaceutical Sciences, University of Manchester)Chapter 5. Diverse Mechanisms of Biofilm Formation, by Lisa Friedman and Roberto Kolter (Department of Microbiology and Molecular Genetics, Harvard Medical School)Chapter 6. Biofilm Formation and Control in Food Processing Environments, by Amy C. Lee Wong (Department of Food Microbiology and Toxicology, Food Research Institute, University of Wisconsin-Madison)

Author : William G. Characklis
Publisher : American Water Works Association
ISBN 13 : 0898674182
Total Pages : 368 pages
Book Rating : 4.87/5 ( download)

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Download or read book Bacterial Regrowth in Distribution Systems written by William G. Characklis and published by American Water Works Association. This book was released on 1988 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Michèle Prévost
Publisher :
ISBN 13 :
Total Pages : 332 pages
Book Rating : 4.10/5 ( download)

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Download or read book Biodegradable Organic Matter in Drinking Water Treatment and Distribution written by Michèle Prévost and published by . This book was released on 2005 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: This compilation covers all aspects of biodegradable organic matter in drinking water by addressing the improvement made to water treatment and quality during the last 20 years. This book is a must for researchers and a valuable reference and guidance tool for all water producers.

Author :
Publisher : American Water Works Association
ISBN 13 : 1583214682
Total Pages : 172 pages
Book Rating : 4.88/5 ( download)

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Download or read book Estimating Health Risks from Infrastructure Failures written by and published by American Water Works Association. This book was released on 2006 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Health risks from infrastructure failures are not well understood, despite the potential widespread introduction of chemical, microbial, and physical contaminants, as well as service disruptions. This study gathered input from various experts to define these issues. A strategy for intervention and mitigation was developed along with and mechanisms for timely, direct, inter-agency communication, coordination, and collaboration.

Author :
Publisher : Elsevier
ISBN 13 : 0444639527
Total Pages : 4896 pages
Book Rating : 4.23/5 ( download)

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Download or read book Encyclopedia of Environmental Health written by and published by Elsevier. This book was released on 2019-08-22 with total page 4896 pages. Available in PDF, EPUB and Kindle. Book excerpt: Encyclopedia of Environmental Health, Second Edition, Six Volume Set presents the newest release in this fundamental reference that updates and broadens the umbrella of environmental health, especially social and environmental health for its readers. There is ongoing revolution in governance, policies and intervention strategies aimed at evolving changes in health disparities, disease burden, trans-boundary transport and health hazards. This new edition reflects these realities, mapping new directions in the field that include how to minimize threats and develop new scientific paradigms that address emerging local, national and global environmental concerns. Represents a one-stop resource for scientifically reliable information on environmental health Fills a critical gap, with information on one of the most rapidly growing scientific fields of our time Provides comparative approaches to environmental health practice and research in different countries and regions of the world Covers issues behind specific questions and describes the best available scientific methods for environmental risk assessment