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Author :
Publisher :
ISBN 13 :
Total Pages : 81 pages
Book Rating : 4.:/5 (821 download)
Download or read book New Microbial Indicators of Disinfection Efficiency written by and published by . This book was released on 1975 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 83 pages
Book Rating : 4.:/5 (261 download)
Download or read book New Microbial Indicators of Disinfection Efficiency written by and published by . This book was released on 1977 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : U. S. Environmental Protection Agency
Publisher : BiblioGov
ISBN 13 : 9781289209629
Total Pages : 98 pages
Book Rating : 4.2/5 (96 download)
Download or read book New Microbial Indicators of Disinfection Efficiency written by U. S. Environmental Protection Agency and published by BiblioGov. This book was released on 2013-07 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Richard Nixon. The agency is charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress. The EPA's struggle to protect health and the environment is seen through each of its official publications. These publications outline new policies, detail problems with enforcing laws, document the need for new legislation, and describe new tactics to use to solve these issues. This collection of publications ranges from historic documents to reports released in the new millennium, and features works like: Bicycle for a Better Environment, Health Effects of Increasing Sulfur Oxides Emissions Draft, and Women and Environmental Health.
Author : University of Illinois (Urbana-Champaign campus)
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.3/5 (121 download)
Download or read book Acid-fast Bacteria and Yeasts as Indicators of Disinfection Efficiency written by University of Illinois (Urbana-Champaign campus) and published by . This book was released on 1979 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joan B. Rose
Publisher : IWA Publishing
ISBN 13 : 1843397307
Total Pages : 90 pages
Book Rating : 4.8/5 (433 download)
Download or read book Reduction of Pathogens, Indicator Bacteria, and Alternative Indicators by Wastewater Treatment and Reclamation Processes written by Joan B. Rose and published by IWA Publishing. This book was released on 2005-04-30 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: In wastewater reclamation systems, microbiological monitoring is conducted to ensure that the users of reclaimed water are exposed to minimal risks from exposure to pathogens. Typically, utilities rely on the use of process controls to remove or inactivate pathogens. Routine monitoring of indicator organisms is conducted to evaluate overall process performance and for regulatory compliance. However, the effectiveness of individual treatment processes for removal of pathogens is dependent on process variables. This project was conducted to compare the effectiveness of biological treatment, filtration, and disinfection for removal of bacterial and viral indicators, enteric viruses, and protozoan pathogens. Six full-scale treatment facilities were each sampled a minimum of four times over a one year period. The relative impacts of loading conditions, process design, and operating parameters on the removal/inactivation of a suite of nine microbial species (bacteria, coliphages, enteric viruses, and protozoan pathogens) was evaluated. Bacterial removal was consistent for all types of biological systems, however, increased virus removal was associated with biological nutrient removal and nitrification processes. Parasite removal was highly variable. The effectiveness of filtration was impacted most by the use of upstream chemicals (either chlorine or coagulant chemicals). Chlorine disinfection was more effective in cases where ammonia levels were low (biological nutrient removal or nitrification facilities). Infectivity assays for protozoan pathogens suggest that the proportion of infective cysts or oocysts increases with increasing level of treatment.
Author : University of Illinois (Urbana-Champaign campus)
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (11 download)
Download or read book Acid-fast Bacteria and Yeasts as Indicators of Disinfection Efficiency written by University of Illinois (Urbana-Champaign campus) and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : University of Illinois (Urbana-Champaign campus)
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.3/5 (91 download)
Download or read book Acid-fast Bacteria and Yeasts as Indicators of Disinfection Efficiency written by University of Illinois (Urbana-Champaign campus) and published by . This book was released on 1979 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309091225
Total Pages : 329 pages
Book Rating : 4.3/5 (9 download)
Download or read book Indicators for Waterborne Pathogens written by National Research Council and published by National Academies Press. This book was released on 2004-06-19 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent and forecasted advances in microbiology, molecular biology, and analytical chemistry have made it timely to reassess the current paradigm of relying predominantly or exclusively on traditional bacterial indicators for all types of waterborne pathogens. Nonetheless, indicator approaches will still be required for the foreseeable future because it is not practical or feasible to monitor for the complete spectrum of microorganisms that may occur in water, and many known pathogens are difficult to detect directly and reliably in water samples. This comprehensive report recommends the development and use of a "tool box" approach by the U.S Environmental Protection Agency and others for assessing microbial water quality in which available indicator organisms (and/or pathogens in some cases) and detection method(s) are matched to the requirements of a particular application. The report further recommends the use of a phased, three-level monitoring framework to support the selection of indicators and indicator approaches.Â
Author : Charles N. Haas
Publisher : American Water Works Association
ISBN 13 : 1583211578
Total Pages : 76 pages
Book Rating : 4.5/5 (832 download)
Download or read book Effect of Initial Microbial Concentration on Disinfectant Efficiency written by Charles N. Haas and published by American Water Works Association. This book was released on 2002 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adam P. Fraise
Publisher : John Wiley & Sons
ISBN 13 : 1444333259
Total Pages : 626 pages
Book Rating : 4.4/5 (443 download)
Download or read book Russell, Hugo and Ayliffe's Principles and Practice of Disinfection, Preservation and Sterilization written by Adam P. Fraise and published by John Wiley & Sons. This book was released on 2013-02-18 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt: The new edition of this established and highly respected text is THE definitive reference in its field. It details methods for the elimination or prevention/control of microbial growth, and features: New chapters on bioterrorism and community healthcare New chapters on microbicide regulations in the EU, USA and Canada Latest material on microbial resistance to microbicides Updated material on new and emerging technologies, focusing on special problems in hospitals, dentistry and pharmaceutical practice Practical advice on problems of disinfection and antiseptics in healthcare A systematic review of sterilization methods, with uses and advantages outlined for each Evaluation of disinfectants and their mechanisms of action with respect to current regulations The differences between European and North American regulations are highlighted throughout, making this a truly global work, ideal for worldwide healthcare professionals working in infectious diseases and infection control.
Author : Richard S. Engelbrecht
Publisher :
ISBN 13 :
Total Pages : 67 pages
Book Rating : 4.:/5 (314 download)
Download or read book New Microbial Indicators of Wastewater Chlorination Efficiency written by Richard S. Engelbrecht and published by . This book was released on 1974 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jamie Bartram
Publisher : IWA Publishing
ISBN 13 : 9781843390251
Total Pages : 278 pages
Book Rating : 4.3/5 (92 download)
Download or read book Heterotrophic Plate Counts and Drinking-water Safety written by Jamie Bartram and published by IWA Publishing. This book was released on 2003-08-31 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Adam P. Fraise
Publisher : John Wiley & Sons
ISBN 13 : 0470755067
Total Pages : 691 pages
Book Rating : 4.4/5 (77 download)
Download or read book Russell, Hugo & Ayliffe's Principles and Practice of Disinfection, Preservation and Sterilization written by Adam P. Fraise and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 691 pages. Available in PDF, EPUB and Kindle. Book excerpt: Highly respected, established text – a definitive reference in its field – covering in detail many methods of the elimination or prevention of microbial growth "highly recommended to hospital and research personnel, especially to clinical microbiologists, infectioncontrol and environmental-safety specialists, pharmacists, and dieticians." New England Journal of Medicine WHY BUY THIS BOOK? Completely revised and updated to reflect the rapid pace of change in this area Updated material on new and emerging technologies, focusing on special problems in hospitals, dentistry and pharmaceutical practice Gives practical advise on problems of disinfection and antiseptics in hospitals Discusses increasing problems of natural and acquired resistance to antibiotics New contributors give a fresh approach to the subject and ensure international coverage Systematic review of sterilization methods, with uses and advantages outlined for each Evaluation of disinfectants and their mechanisms of action
Author : Jorge W. Santo Domingo
Publisher : Emerging Issues in Food Safety
ISBN 13 : 9781555813741
Total Pages : 285 pages
Book Rating : 4.8/5 (137 download)
Download or read book Microbial Source Tracking written by Jorge W. Santo Domingo and published by Emerging Issues in Food Safety. This book was released on 2007 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents a state-of-the-art review of the current technology and applications being utilized to identify sources of fecal contamination in waterways. - Serves as a useful reference for researchers in the food industry, especially scientists investigating etiological agents responsible for food contamination. - Provides background information on MST methods and the assumptions and limitations associated with their use. - Covers a broad range of topics related to MST, including environmental monitoring, public health and national security, population biology, and microbial ecology. - Offers valuable insights into future research directions and technology developments.
Author : Joan F. Gardner
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.3/5 (91 download)
Download or read book Introduction to Sterilization and Disinfection written by Joan F. Gardner and published by . This book was released on 1986 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 030949382X
Total Pages : 291 pages
Book Rating : 4.3/5 (94 download)
Download or read book Management of Legionella in Water Systems written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2020-02-20 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: Legionnaires' disease, a pneumonia caused by the Legionella bacterium, is the leading cause of reported waterborne disease outbreaks in the United States. Legionella occur naturally in water from many different environmental sources, but grow rapidly in the warm, stagnant conditions that can be found in engineered water systems such as cooling towers, building plumbing, and hot tubs. Humans are primarily exposed to Legionella through inhalation of contaminated aerosols into the respiratory system. Legionnaires' disease can be fatal, with between 3 and 33 percent of Legionella infections leading to death, and studies show the incidence of Legionnaires' disease in the United States increased five-fold from 2000 to 2017. Management of Legionella in Water Systems reviews the state of science on Legionella contamination of water systems, specifically the ecology and diagnosis. This report explores the process of transmission via water systems, quantification, prevention and control, and policy and training issues that affect the incidence of Legionnaires' disease. It also analyzes existing knowledge gaps and recommends research priorities moving forward.
Author : Richard S. Engelbrecht
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (31 download)
Download or read book New Microbial Indicators of Wastewater Chlorination Efficiency written by Richard S. Engelbrecht and published by . This book was released on 1974 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shows how to recycle waste materials to create compost, discusses the uses of compost and equipment used, and includes instructions for building compost containers.
