Heterotrophic Plate Counts And Drinking Water Safety
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Heterotrophic Plate Counts and Drinking water Safety
Author | : Bartram J. |
Publsiher | : World Health Organization |
Total Pages | : 273 |
Release | : 2003-11-06 |
Genre | : Medical |
ISBN | : 9789241562263 |
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This text prepared by an international group of experts addresses the 'heterotrophic plate count' test which is widely used in drinking-water assessment: what it detects (and what it does not detect) its direct and indirect health significance and its use in the safety management of drinking water supplies. It includes the consensus statement from an expert review meeting and takes account of the presentations and posters at an international conference on the theme co-sponsored by WHO and NSF-International. It provides valuable information on the utility and the limitations of HPC data in the management and operation of piped water systems as well as other means of providing drinking water to the public. It is of particular value to piped public water suppliers and bottled water suppliers manufacturers and users of water treatment and transmission equipment and inline treatment devices water engineers sanitary and clinical microbiologists and national and local public health officials and regulators of drinking water quality. ...The book will be of great value to the piped public water suppliers bottled water suppliers manufacturers users of water treatment and transmission equipment and online treatment device makers water supply engineers sanitary engineers clinical and water microbiologists national and local public health officials and regulators of drinking-water quality. - Indian Journal of Medical Research
Heterotrophic Plate Counts and Drinking water Safety
Author | : Jamie Bartram,J. A. Cotruvo,M. Exner,C. Fricker,A. Glasmacher |
Publsiher | : IWA Publishing |
Total Pages | : 0 |
Release | : 2003-08-01 |
Genre | : Science |
ISBN | : 1843390256 |
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Heterotrophic Plate Counts and Drinking-water Safety provides a critical assessment of the role of the Heterotrophic Plate Count (HPC) measurement in drinking water quality management. It was developed from an Expert workshop of 32 scientists convened by the World Health Organization and the WHO/NSF International Collaborating Centre for Drinking Water Safety and Treatment in Geneva, Switzerland. Heterotrophs are organisms, including bacteria, yeasts and moulds, that require an external source of organic carbon for growth. The HPC test (or Standard Plate Count), applied in many variants, is the internationally accepted test for measuring the hetrotrophic microorganism population in drinking water, and also other media. It measures only a fraction of the microorganisms actually present and does not distinguish between pathogens and non-pathogens. High levels of microbial growth can affect the taste and odor of drinking water and may indicate the presence of nutrients and biofilms which could harbor pathogens, as well as the possibility that some event has interfered with the normal production of the drinking water. HPC counts also routinely increase in water that has been treated by an in-line device such as a carbon filter or softener, in water-dispensing devices and in bottled waters and indeed in all water that has suitable nutrients, does not have a residual disinfectant, and is kept under sufficient conditions. There is debate among health professionals as to the need, utility or quantitative basis for health-based standards or guidelines relating to HPC-measured regrowth in drinking water. The issues that were addressed in this work include: the relationship between HPC in drinking water (including that derived from in-line treatment systems, dispensers and bottled water) and health risks for the general public the role of HPC as an indirect indicator or index for pathogens of concern in drinking water the role of HPC in assessing the efficacy and proper functioning of water treatment and supply processes the relationship between HPC and the aesthetic acceptability of drinking water. Heterotrophic Plate Counts and Drinking-water Safety provides valuable information on the utility and the limitations of HPC data in the management and operation of piped water systems as well as other means of providing drinking water to the public. It is of particular value to piped public water suppliers and bottled water suppliers, manufacturers and users of water treatment and transmission equipment and inline treatment devices, water engineers, sanitary and clinical microbiologists, and national and local public health officials and regulators of drinking water quality.
Guidelines for Drinking water Quality
Author | : World Health Organization |
Publsiher | : World Health Organization |
Total Pages | : 260 |
Release | : 1993 |
Genre | : Medical |
ISBN | : 9241545038 |
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This volume describes the methods used in the surveillance of drinking water quality in the light of the special problems of small-community supplies, particularly in developing countries, and outlines the strategies necessary to ensure that surveillance is effective.
Microbiological Sensors for the Drinking Water Industry
Author | : Tapio Katko,Bo Højris |
Publsiher | : IWA Publishing |
Total Pages | : 334 |
Release | : 2019-02-15 |
Genre | : Science |
ISBN | : 9781780408682 |
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The book addresses the interdisciplinary area of water quality monitoring and binds together interests and competences within sensing technology, system behaviour, business needs, legislation, education, data handling, and artificial response algorithms.
Topics in Public Health
Author | : David Claborn |
Publsiher | : BoD – Books on Demand |
Total Pages | : 310 |
Release | : 2015-06-17 |
Genre | : Medical |
ISBN | : 9789535121329 |
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Public health has been defined as the efforts of a community that allow a population to remain healthy. This definition is very inclusive, so elements of clinical care, health promotion and many other fields contribute to the larger discipline of public health. The profession has evolved in recent years, with the emphasis in the developed world changing from the hygiene method for control of infectious diseases to a more complex approach to address chronic disease. However, the focus in public health continues to be the population. This book provides a sample of fields that contribute to the public health profession. Its broad approach provides examples of the core fields of public health, including environmental health, epidemiology, biostatistics, health administration, and health behavior.
Evaluation of the Microbiology Standards for Drinking Water
Author | : Charles W. Hendricks |
Publsiher | : Unknown |
Total Pages | : 252 |
Release | : 1979 |
Genre | : Drinking water |
ISBN | : UIUC:30112027809240 |
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Managed Aquifer Recharge for Water Resilience
Author | : Peter Dillon,Enrique Fernández Escalante,Sharon B. Megdal |
Publsiher | : MDPI |
Total Pages | : 408 |
Release | : 2021-04-01 |
Genre | : Science |
ISBN | : 9783039430420 |
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This book is a hard copy of the editorial and all the papers in a Special Issue of the peer-reviewed open access journal ‘Water’ on the theme ‘Managed Aquifer Recharge for Water Resilience’. Managed aquifer recharge (MAR) is the purposeful recharge of water to aquifers for subsequent recovery or environmental benefit. MAR is increasingly used to make water supplies resilient to drought, climate change and deteriorating water quality, and to protect ecosystems from declining groundwater levels. Global MAR has grown exponentially to 10 cu.km/year and will increase ten-fold within a few decades. Well informed hydrogeologists, engineers and water quality scientists are needed to ensure that this investment is effective in meeting increasingly pressing needs. This compilation contains lessons from many examples of existing projects, including several national and continental summaries. It also addresses the elements essential for identifying and advancing projects such as mapping aquifer suitability and opportunities, policy matters, operational issues, and some innovations in MAR methods and monitoring. This collection exemplifies the state of progress in the science and practice of MAR and is intended to be useful, at least to water managers, water utilities, agricultural water users and urban planners, to facilitate water resilience through new MAR projects.
Guidelines for drinking water quality
Author | : Anonim |
Publsiher | : World Health Organization |
Total Pages | : 614 |
Release | : 2022-03-31 |
Genre | : Medical |
ISBN | : 9789240045064 |
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The fourth edition incorporating the first and second addenda, of the World Health Organization's (WHO) Guidelines for drinking-water quality (GDWQ) builds on over 60 years of guidance by WHO on drinking-water quality, which has formed an authoritative basis for the setting of national regulations and standards for water safety in support of public health. It is the product of significant revisions to clarify and elaborate on ways of implementing its recommendations of contextual hazard identification and risk management, through the establishment of health-based targets, catchment-to-consumer water safety plans and independent surveillance. Updates in this latest edition reflect new evidence and further, provides additional explanations to support better understanding and application of the guidance. More details on the updates are included in the GDWQ preface.