microorganisms in home and indoor work environments diversity health impacts investigation and control second edition

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Microorganisms In Home And Indoor Work Environments

Author : Brian Flannigan
ISBN : 9781420093353
Genre : Technology & Engineering
File Size : 22. 91 MB
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In 2007, scientists estimated the direct cost of diseases associated with mould and dampness on the US population to be in the range of 4 billion dollars, and the indirect costs of lost work and school days are gauged even higher. The US Centers for Disease Control recently concluded that elimination of moisture and mouldy materials in the home definitively results in improved health. Unfortunately, problems of accurate assessment and precise identification plague the full understanding of the effects of mould on human health. Addressing exposure assessment and identification, Microorganisms in Home and Indoor Work Environments: Diversity, Health Impacts, Investigation, and Control, Second Edition discusses the methodology for conducting investigations on indoor environments, including details on key fungi and actinobacteria, and reflects advances in predicting their occurrence in buildings in various parts of the world. Beginning with a review of types of microorganisms in outdoor and indoor air, their growth and control in home and work environments, and their role in respiratory disease, this second edition presents new studies on pollen and its allergenic effects, the mechanistic basis for the effects of toxins and inflammatory agents on lung biology, and the use of molecular methods for determining microbial contaminants. On the practical side, this edition examines remediation, control, and quality assurance; occupational exposures in a wide range of environments; and infectious fungi and bacterial endotoxins in the built environment. Bringing together the state-of-the-science in this health-critical field, this accurate and timely book offers researchers, public health officials, and industrial hygienists crucial information on specific microorganisms in the built environment, along with current measurement and assessment solutions to clean up indoor air and keep residents and workers healthy in the future.

Fundamentals Of Mold Growth In Indoor Environments And Strategies For Healthy Living

Author : Olaf C. G. Adan
ISBN : 9789086861354
Genre : Science
File Size : 67. 48 MB
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Indoor molds should be considered a widespread and profound societal problem.The fact that more than 14 million households in the 27 member states of the European Union are suffering from dampness and molds and that approximately 4.6 million of current US asthma cases are estimated to be attributable to dampness and molds exposure underline this point.For many years molds and their implications on human health have been prominently on the human health agenda especially since improved thermal insulation and increased air tightness of the building envelope has led to problems of dampness. Despite the lack of consistent scientific evidence the fear of mold problems may have a restraining influence on the future upgrading of building energy performance.This book aims to describe the fundamentals of indoor mold growth as a prerequisite to tackle mold growth in present building as well as in future energy efficient building. Like all living processes, mold growth requires the availability of water. Therefore, the interaction of molds and water form a pivotal focal point in this book. A sound understanding of this relationship lays the foundation for control strategies in any building, present and future.The book focuses on mold problems originating from airborne moisture in particular as being more complex than commonly assumed. Chapters on allergy, toxins and adverse health effects are included.

A Review About Relative Humidity And Sterilization Efficiency With Uv C Radiation In The Air Conditioned Workplace Areas

Author : Giorgos P. Kouropoulos
ISBN :
Genre : Technology & Engineering
File Size : 26. 44 MB
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In the present article, the effect of relative humidity and thermal comfort conditions of the air of internal conditioned workplace areas to the change of sterilization efficiency with ultraviolet radiation UV-C will be studied. The conditions for thermal comfort in conditioned workplace areas and the effect of these conditions in the sterilization efficiency of the air will be reported. Experimental measurements of scientists is the main information resource of this research. The general conclusion that results, is that as the relative humidity increase, the sterilization efficiency decrease. In addition, the change of sterilization efficiency in regard to the relative humidity of the air, is different depending on the type of microorganism.

Who Guidelines For Indoor Air Quality

Author : World Health Organization
ISBN : 9789289041683
Genre : Architecture
File Size : 37. 90 MB
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When sufficient moisture is available, hundreds of species of bacteria and fungi -- particularly mold -- pollute indoor air. The most important effects of exposure to these pollutants are the increased prevalence of respiratory symptoms, allergies and asthma as well as disturbance of the immune system. Preventing (or minimizing) persistent dampness and microbial growth on interior surfaces and building structures is the most important means of avoiding harmful effects on health. This book provides a comprehensive overview of the scientific evidence on the health problems associated with this ubiquitous pollution and provides WHO guidelines to protect public health. It also describes the conditions that determine the presence of mould and provides measures to control its growth indoors.

Microbiomes Of The Built Environment

Author : National Academies of Sciences, Engineering, and Medicine
ISBN : 9780309449830
Genre : Science
File Size : 57. 93 MB
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People’s desire to understand the environments in which they live is a natural one. People spend most of their time in spaces and structures designed, built, and managed by humans, and it is estimated that people in developed countries now spend 90 percent of their lives indoors. As people move from homes to workplaces, traveling in cars and on transit systems, microorganisms are continually with and around them. The human-associated microbes that are shed, along with the human behaviors that affect their transport and removal, make significant contributions to the diversity of the indoor microbiome. The characteristics of “healthy†indoor environments cannot yet be defined, nor do microbial, clinical, and building researchers yet understand how to modify features of indoor environmentsâ€"such as building ventilation systems and the chemistry of building materialsâ€"in ways that would have predictable impacts on microbial communities to promote health and prevent disease. The factors that affect the environments within buildings, the ways in which building characteristics influence the composition and function of indoor microbial communities, and the ways in which these microbial communities relate to human health and well-being are extraordinarily complex and can be explored only as a dynamic, interconnected ecosystem by engaging the fields of microbial biology and ecology, chemistry, building science, and human physiology. This report reviews what is known about the intersection of these disciplines, and how new tools may facilitate advances in understanding the ecosystem of built environments, indoor microbiomes, and effects on human health and well-being. It offers a research agenda to generate the information needed so that stakeholders with an interest in understanding the impacts of built environments will be able to make more informed decisions.

Damp Indoor Spaces And Health

Author : Committee on Damp Indoor Spaces and Health
ISBN : 9780309133395
Genre : Medical
File Size : 80. 96 MB
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Almost all homes, apartments, and commercial buildings will experience leaks, flooding, or other forms of excessive indoor dampness at some point. Not only is excessive dampness a health problem by itself, it also contributes to several other potentially problematic types of situations. Molds and other microbial agents favor damp indoor environments, and excess moisture may initiate the release of chemical emissions from damaged building materials and furnishings. This new book from the Institute of Medicine examines the health impact of exposures resulting from damp indoor environments and offers recommendations for public health interventions. Damp Indoor Spaces and Health covers a broad range of topics. The book not only examines the relationship between damp or moldy indoor environments and adverse health outcomes but also discusses how and where buildings get wet, how dampness influences microbial growth and chemical emissions, ways to prevent and remediate dampness, and elements of a public health response to the issues. A comprehensive literature review finds sufficient evidence of an association between damp indoor environments and some upper respiratory tract symptoms, coughing, wheezing, and asthma symptoms in sensitized persons. This important book will be of interest to a wide-ranging audience of science, health, engineering, and building professionals, government officials, and members of the public.

Bioaerosols

Author : Janet Macher
ISBN : STANFORD:36105110433005
Genre : Technology & Engineering
File Size : 75. 67 MB
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Niosh Health Hazard Evaluation Report Heta 2001 0067 2896 Somerset County Assistance Office Somerset Pennsylvania March 2003

Author :
ISBN : UOM:39015046770841
Genre :
File Size : 62. 67 MB
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Manual Of Environmental Microbiology

Author : Christon J. Hurst
ISBN : 9781555813796
Genre : Science
File Size : 31. 80 MB
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The most definitive manual of microbes in air, water, and soil and their impact on human health and welfare. • Incorporates a summary of the latest methodology used to study the activity and fate of microorganisms in various environments. • Synthesizes the latest information on the assessment of microbial presence and microbial activity in natural and artificial environments. • Features a section on biotransformation and biodegradation. • Serves as an indispensable reference for environmental microbiologists, microbial ecologists, and environmental engineers, as well as those interested in human diseases, water and wastewater treatment, and biotechnology.

Somerset County Assistance Office Somerset Pennsylvania

Author : Ju-Hyeong Park
ISBN : CORNELL:31924092378219
Genre : Air quality management
File Size : 87. 44 MB
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