Exposure To Microbial Aerosols From Activated Sludge Treatment
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Exposure To Microbial Aerosols From Activated Sludge Treatment
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Author : Arnold Walit Lam
language : en
Publisher:
Release Date : 1982
Exposure To Microbial Aerosols From Activated Sludge Treatment written by Arnold Walit Lam and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Aerosols categories.
Viable pathogens are generally present at every stage of wastewater treatment. Thus a potential airborne infectious pathway due to microbial aerosols exists, particularly at activated sludge treatment plants. In this study the concentration of sewage-borne indicator bacteria and viruses in effluent aerosols was determined and the exposure to such aerosols by treatment plant workers was estimated. Initial aerosol collection with fog-gage screen collectors yielded erratic results due especially to lack of control over sampled air volume and slit openings too large for effective collection. Standard Andersen and glass impinger collectors were used throughout the field study. Areas downwind of aeration basins yielded as much as 1 657 CFU/m^3 total bacteria and 1.8 CFU/m^3 coliphage. These aerosols were mostly 2.1 to 3.3 μm droplet nuclei with a high potential for inhalation and bronchial retention. The inhalation of microbial aerosols by Wahiawa treatment plant workers was estimated to be between 48 to 94 total bacteria/person/day above background levels. The inhaled total coliform level may average 8 to 27 CFU/person/day. This usually short duration and sometimes intense exposure could not be implicated directly to cause adverse health effects. Correlations of statistical tabulations of sick-leave illness with degree of exposure were not significant at the 0.01 or the 0.05 level.
Health Effects Of Aerosols Emitted From An Activated Sludge Plant
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Author : Health Effects Research Laboratory (Cincinnati, Ohio)
language : en
Publisher:
Release Date : 1979
Health Effects Of Aerosols Emitted From An Activated Sludge Plant written by Health Effects Research Laboratory (Cincinnati, Ohio) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Aerosol propellants categories.
Wastewater Aerosols And Disease
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Author : H. Pahren
language : en
Publisher:
Release Date : 1981
Wastewater Aerosols And Disease written by H. Pahren and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Aerosols categories.
Wastewater Pathogens
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Author : Michael H. Gerardi
language : en
Publisher: John Wiley & Sons
Release Date : 2004-10-28
Wastewater Pathogens written by Michael H. Gerardi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-10-28 with Science categories.
A practical guide to wastewater pathogens The fourth volume in Wiley's Wastewater Microbiology series, Wastewater Pathogens offers wastewater personnel a practical guide that is free of overly technical jargon. Designed especially for operators, the text provides straight facts on the biology of treatment as well as appropriate protective measures. Coverage includes: * An overview of relevant history, hazards, and organisms * Viruses, bacteria, and fungi * Protozoa and helminthes * Ectoparasites and rodents * Aerosols, foam, and sludge * Disease transmission and the body's defenses * Removal, inactivation, and destruction of pathogens * Hygiene measures, protective equipment, and immunizations
Wastewater Microbiology
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Author : Gabriel Bitton
language : en
Publisher: John Wiley & Sons
Release Date : 2011-06-09
Wastewater Microbiology written by Gabriel Bitton and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-09 with Science categories.
Wastewater Microbiology focuses on microbial contaminants found in wastewater, methods of detection for these contaminants, and methods of cleansing water of microbial contamination. This classic reference has now been updated to focus more exclusively on issues particular to wastewater, with new information on fecal contamination and new molecular methods. The book features new methods to determine cell viability/activity in environmental samples; a new section on bacterial spores as indicators; new information covering disinfection byproducts, UV disinfection, and photoreactivation; and much more. A PowerPoint of figures from the book is available at ftp://ftp.wiley.com/public/sci_tech_med/wastewater_microbiology.
The Evaluation Of Microbiological Aerosols Associated With The Application Of Wastewater To Land
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Author : Donald Edgar Johnson
language : en
Publisher:
Release Date : 1980
The Evaluation Of Microbiological Aerosols Associated With The Application Of Wastewater To Land written by Donald Edgar Johnson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Sewage irrigation categories.
Selected Water Resources Abstracts
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Author :
language : en
Publisher:
Release Date : 1989
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 1989 with Hydrology categories.
Health Effects Of Aerosols Emitted From An Activated Sludge Plant
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Author : Health Effects Research Laboratory (Cincinnati, Ohio)
language : en
Publisher:
Release Date : 1979
Health Effects Of Aerosols Emitted From An Activated Sludge Plant written by Health Effects Research Laboratory (Cincinnati, Ohio) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Aerosol propellants categories.
Management Of Legionella In Water Systems
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Author : National Academies of Sciences, Engineering, and Medicine
language : en
Publisher: National Academies Press
Release Date : 2020-02-20
Management Of Legionella In Water Systems written by National Academies of Sciences, Engineering, and Medicine and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-20 with Medical categories.
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.
Siting Of Wastewater Treatment Facilities For Boston Harbor
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Author :
language : en
Publisher:
Release Date : 1985
Siting Of Wastewater Treatment Facilities For Boston Harbor written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.