Controlling airborne particles by National Research Council (U.S.). Committee on Particulate Control Technology.

Cover of: Controlling airborne particles | National Research Council (U.S.). Committee on Particulate Control Technology.

Published by National Academy of Sciences in Washington, D.C .

Written in English

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Subjects:

  • Particles -- Environmental aspects.,
  • Air quality management.

Edition Notes

Bibliography: p. 103-112.

Book details

StatementCommittee on Particulate Control Technology, Environmental Studies Board, Commission on Natural Resources, National Research Council.
Classifications
LC ClassificationsTD884.5 .E57 1980
The Physical Object
Paginationxi, 114 p. :
Number of Pages114
ID Numbers
Open LibraryOL4099394M
ISBN 100309030358
LC Control Number80013769
OCLC/WorldCa6196664

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Reviews User-contributed reviews. Dust control is thus usually concerned with airborne particles, preventing their formation, controlling their movement, or affecting their separation. Sometimes the purpose is economic—to prevent the loss of a product or process material.

More commonly, dust control is undertaken to avoid the harmful effects—hygienic. Aerosol Technology: Properties, Behavior, and Measurement of Airborne Particles, Third Edition.

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The book contains information about the roles and legal responsibilities of employers and suppliers; competence; principles of good design Controlling airborne particles book for effective LEV hoods and their classification; ducts; air movers; air cleaners; and system documentation - with checking and maintenance schedules and the marking of defective equipment.

which airborne dust is transported through the branches of a ventilation network and the deposition of dust particles on the roof, floor and sides of mine airways.

A prerequisite to the successful control of airborne dust in a mine is an understanding of the potential sources of the dust.

These are discussed in the second main part of the chapter. into smaller particles and released into the air; it is difficult to break down such particles smaller than ~ Pm. Biological particles usually become airborne from liquid or powder forms, so these particles are usually larger than ~ Pm.

Viruses Bacteria Spores Mechanical Generation (dust or mist) Combustion Particles (fume) 10 Airborne contaminants occur in the gaseous form (gases and vapours) or as aerosols. In scientific terminology, an aerosol is defined as a system of particles suspended in a gaseous medium, usually air in the context of occupational hygiene, is usually air.

Aerosols may exist in the form of airborne dusts, sprays, mists, smokes and Size: KB. Suggested Citation:"SOURCES OF ATMOSPHERIC PARTICLES."National Research Council.

Controlling Airborne gton, DC: The National Academies Press. This book offers practical applications addressing the specifics of contamination, including particle origination, characterization, identification, and elimination, with a special focus on quality considerations.

Written by an industry expert, this material offers a clear and concise understanding of particle populations and their control in stability, efficacy, and predictability. Airborne particles collected during an ADS event were investigated by the combined use of low-Z particle EPMA and RMS on the same individual particles, where internally mixed and aged Asian dust aerosol particles were effectively characterised [31].

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Aerosol Technology: Properties, Behavior, and Measurement of Airborne Particles - Kindle edition by Hinds, William C. Download it once and read it on your Kindle device, PC, phones or tablets.

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Generally, airborne particles are categorized into three main types: 1. Large particles. Particles greater than microns in diameter are considered large. These particles fall quickly and include such things as hail, snow, room dust, and soot aggregates.

Although they can cause irritation to the eyes, nose. Introduction: The prevention of surgical-site infection (SSI) is of great importance. Airborne particulate correlates with microbial load and SSI.

There are many potential sources of airborne particulates in theatre and from an experimental point of view impossible to control. We evaluated the effectiveness of a novel air decontamination-recirculation system (ADRS) in reducing airborne Author: William Walsh, Rema Oliver, Gareth Davies, Nathaniel Bradford.

The device measures particles that are > µ and those that are > µ. 21 The mean particle counts were calculated throughout the baseline and particle control treatment phases. Airborne fine and ultrafine particle counts correlate with airborne contamination, and have been used and validated as surrogates for airborne pathogens.

22, 23 At Author: Mark H. Ereth, Donald H. Hess, Abigail Driscoll, Mark Hernandez, Frank Stamatatos. This detailed collection of works devoted to the most popular methods in elemental analysis of airborne particles offers investigators a comprehensive book on the most common laboratory analytical methods currently used in trace element analysis.

Discussed are atomic absorption spectrometry, inductively coupled plasma, atomic emission, particle Author: Marsha Creatchman. Particles that cause airborne diseases are small enough to cling to the air. They hang on dust particles, moisture droplets, or on the breath until they are picked : Aaron Kandola.

All. Properties of Airborne Particles at Standard Conditions A Slip Correction Factor for Standard and Nonstandard Conditions A Properties of Selected Low-Vapor-Pressure Liquids A Reference Values for Atmospheric Properties at Sea Level and K [20°C] A Greek Symbols Used in This Book A SI Prefixes   Ventilation is a useful engineering means to control airborne infection but it may not be an efficient way to control droplet-borne transmission.

Higher ventilation rate is proved to reduce the risk of airborne infection, however, there is still a lack of scientific evidence of minimum ventilation by: 3.

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HEPA filters are at least percent efficient for removing particles m (as a reference, Aspergillus spores are to m in diameter), and their efficiency can be increased to percent where needed. - Ventilation. After filtration, the second most effective way of controlling the level of pathogens in the air is through ventilation.

Based on the engineering control method, which was previously applied to the removal of non-biological particles from gas carriers (Agranovski et al (), Agranovski et al ()), a new personal bioaerosol sampler was developed (see Fig.

1).A detail sketch of the device is also provided in our previous work (Agranovski et al., b).The sampler consists of inner (45 mm Cited by: Air quality indicators for infection control should include viable and non-viable airborne particles analysis.

In the case of non-viable particles, measurements can indicate control of airborne particles, especially if methods such as filtration are used to remove these particles from incoming outside air. Airborne Particles: Origin, Emissions and Health Impacts compiles a number of well-known authors in their respective research fields who have contributed their chapters on numerous specialised topics, such as sources of particulate matter emissions, their dispersion modelling, long-range transport, and both epidemiological and toxicological effects on human health.

C Droplet evaporation. In the classic study of airborne transmission, Wells () was able to identify the difference between disease transmission via large droplets and by airborne routes. Wells found that, under normal air conditions, droplets smaller than μm in diameter would completely dry out before falling approximately 2 m to the ground.

Buy Aerosol Technology: Properties, Behavior, and Measurement of Airborne Particles 2nd edition () by NA for up to 90% off at Edition: 2nd An airborne disease is any disease that is caused by pathogens that can be transmitted through the air over time and distance by small particles.

Such diseases include many of considerable importance both in human and veterinary relevant pathogens may be viruses, bacteria, or fungi, and they may be spread through breathing, talking, coughing, sneezing.

Control of airborne particles with this diametric range is crucial to hospital OR. Different diameters including 5 μm, 7 μm and 10 μm were calculated and tiny difference was found among the results, thus a uniform distribution of diameter of 5 μm was assumed as the infectious particle diameter, harmful particles released by surgeons in OR Cited by: The resulting air pollution is characterized by raised sulfur dioxide and nitrogen oxide levels and very high concentrations of airborne particles and particulate matter (PM).

Annual seasonal average particulate matter concentrations have been recorded as high as μg/m 3 (micrograms per cubic meter). Airborne pollutant concentrations were measured and compared between the treatment and control facilities. The concentrations of both inhalable and respirable airborne particles.

Airborne pathogens present a unique challenge in infectious disease and infection control, for a small percentage of infectious individuals appear to be responsible for disseminating the majority of infectious particles. This paper begins by reviewing the crucial elements of aerobiology and physics that allow infectious particles to be Cited by: This is an excellent textbook for aerosol dynamics for anyone interested in learning about airborne particles.

It is an extremely relevant book for students (undergraduate and graduate level) and researchers in the field. The book provides a lot of examples that utilizes new equations and all the problems have the final answers provided/5(13).

Airborne disease can spread when an infected person coughs, sneezes, or talks, spewing nasal and throat secretions into the air. Certain viruses or bacteria take flight and hang in the air or land Author: Ann Pietrangelo. Ventilation control for airborne transmission of human exhaled bio-aerosols in buildings design books range from to Thus, airborne particles that diffuse can be carried by air.

The Air Spora is an illustrated guide to trapping, identifying and quantifying airborne biological particles such as fungus and plant spores and pollen. This book will be of use to anyone interested in aerobiology or studying applied aspects such as dispersal and effect of allergens, or human, animal and plant pathogens.

Humans infected with influenza virus have been shown to expel small airborne particles containing viable virus into the environment when they cough or exhale, which suggests that the potential exists for the airborne transmission of influenza. 13, 18, 19, 21, 24 However, it is not clear how often airborne transmission actually occurs or what Cited by: : Aerosol Technology: Properties, Behavior, and Measurement of Airborne Particles () by Hinds, William C.

and a great selection of similar New, Used and Collectible Books available now at great prices/5(17). Airborne particles range in size from microns to several hundred microns.

Before any methods of contamination control of airborne particles can be successfully applied, a decision must be made as to how critical this particulate matter is to the process or operation in question.Aerosol Technology: Properties, Behavior, and Measurement of Airborne Particles (Wiley-Interscience) by William C.

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