Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants

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Author :
Publisher : National Academies Press
ISBN 13 : 0309183510
Total Pages : 385 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants by : National Research Council

Download or read book Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants written by National Research Council and published by National Academies Press. This book was released on 2000-03-02 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Aeronautics and Space Administration (NASA) is aware of the potential toxicological hazards to crew members that might be associated with prolonged spacecraft missions. Despite major engineering advances in controlling the atmosphere within spacecraft, some contamination of the air appears inevitable. NASA has measured numerous airborne contaminants during space missions. As the missions increase in duration and complexity, ensuring the health and well-being of astronauts traveling and working in this unique environment becomes increasingly difficult. As part of its efforts to promote safe conditions aboard spacecraft, NASA requested the National Research Council (NRC) to develop guidelines for establishing spacecraft maximum allowable concentrations (SMACs) for contaminants, and to review SMACs for various spacecraft contaminants to determine whether NASA's recommended exposure limits are consistent with the guidelines recommended by the subcommittee. In response to this request, the NRC first developed criteria and methods for preparing SMACs for spacecraft contaminants, published in its 1992 report Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants. Since then, the NRC's Subcommittee on Spacecraft Maximum Allowable Concentrations has been reviewing NASA's documentation of chemical-specific SMACs. This report is the fourth volume in the series Spacecraft Maximum Allowable Concentrations for Space Station Contaminants. The first volume was published in 1994 and the second and third in 1996. Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants: Volume 4 has been reviewed in draft form by individuals chosen for their technical expertise and diverse perspectives in accordance with procedures approved by the NRC's Report Review Committee for reviewing NRC and Institute of Medicine reports. The purpose of that Independent review was to provide candid and critical comments to assist the NRC in making the published report as sound as possible and to ensure that the report meets institutional standards for objectivity, evidence, and responsiveness to the study charge. The review comments and draft manuscript remain confidential to protect the integrity of the deliberative process.

Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants

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Author :
Publisher : National Academies Press
ISBN 13 : 9780309177672
Total Pages : 406 pages
Book Rating : 4.1/5 (776 download)

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Book Synopsis Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants by : National Research Council

Download or read book Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants written by National Research Council and published by National Academies Press. This book was released on 2008-11-24 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: NASA is aware of the potential toxicologic hazards to crew that might be associated with prolonged spacecraft missions. Despite major engineering advances in controlling the atmosphere within spacecraft, some contamination of the air appears inevitable. NASA has measured numerous airborne contaminants during space missions. As the missions increase in duration and complexity, ensuring the health and well-being of astronauts traveling and working in this unique environment becomes increasingly difficult. As part of its efforts to promote safe conditions aboard spacecraft, NASA requested the National Research Council to develop guidelines for establishing spacecraft maximum allowable concentrations (SMACs) for contaminants and to review SMACs for various spacecraft contaminants to determine whether NASA's recommended exposure limits are consistent with the guidelines recommended by the committee. This book is the fifth volume in the series Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants, and presents SMACs for acrolein, C3 to C8 aliphatic saturated aldehydes, C2 to C9 alkanes, ammonia, benzene, carbon dioxide, carbon monoxide, 1,2-dichloroethane, dimethylhydrazine, ethanol, formaldehyde, limonene, methanol, methylene dichloride, n-butanol, propylene glycol, toluene, trimethylsilanol, and xylenes.

Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants

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Author :
Publisher : National Academies Press
ISBN 13 : 0309556740
Total Pages : 408 pages
Book Rating : 4.3/5 (95 download)

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Book Synopsis Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants by : Subcommittee on Spacecraft Maximum Allowable Concentration

Download or read book Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants written by Subcommittee on Spacecraft Maximum Allowable Concentration and published by National Academies Press. This book was released on 1996-02-08 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Aeronautics and Space Administration (NASA) has developed spacecraft maximum allowable concentrations (SMACs) for contaminants that might be found in the atmosphere within spacecraft during space missions to ensure the health and well-being of astronauts traveling and working in this unique environment. In volume 1 of this series, NASA developed SMACs for 11 compounds: acetaldehyde, ammonia, carbon monoxide, formaldehyde, Freon 113, hydrogen, methane, methanol, octamethyltrisiloxane, trimethylsilanol, and vinyl chloride. Volume 2 includes SMACs for 12 more airborne contaminants: acrolein, benzene, carbon dioxide, 2-ethoxyethanol, hydrazine, indole, mercury, methylene chloride, methyl ethyl ketone, nitromethane, 2-propoanol, and toluene. In developing SMACs from the toxicological literature, NASA followed the Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants published in 1992 by the National Research Council.

Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants

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Author :
Publisher : National Academies Press
ISBN 13 : 0309589894
Total Pages : 363 pages
Book Rating : 4.3/5 (95 download)

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Book Synopsis Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants by : Subcommittee on Spacecraft Maximum Allowable Concentrations

Download or read book Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants written by Subcommittee on Spacecraft Maximum Allowable Concentrations and published by National Academies Press. This book was released on 1997-01-16 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Aeronautics and Space Administration (NASA) has measured numerous airborne contaminants in spacecraft during space missions because of the potential toxicological hazards to humans that might be associated with prolonged spacecraft missions. This volume reviews the spacecraft maximum allowable concentrations (SMACs) for various contaminants to determine whether NASA's recommended exposure limits are consistent with recommendations in the National Research Council's 1992 volume Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants.

Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants

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Author :
Publisher : National Academies Press
ISBN 13 : 9780585243818
Total Pages : 365 pages
Book Rating : 4.2/5 (438 download)

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Book Synopsis Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants by :

Download or read book Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants written by and published by National Academies Press. This book was released on 2000 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Aeronautics and Space Administration (NASA) is aware of the potential toxicological hazards to crew members that might be associated with prolonged spacecraft missions. Despite major engineering advances in controlling the atmosphere within spacecraft, some contamination of the air appears inevitable. NASA has measured numerous airborne contaminants during space missions. As the missions increase in duration and complexity, ensuring the health and well-being of astronauts traveling and working in this unique environment becomes increasingly difficult. As part of its efforts to promote safe conditions aboard spacecraft, NASA requested the National Research Council (NRC) to develop guidelines for establishing spacecraft maximum allowable concentrations (SMACs) for contaminants, and to review SMACs for various spacecraft contaminants to determine whether NASA's recommended exposure limits are consistent with the guidelines recommended by the subcommittee. In response to this request, the NRC first developed criteria and methods for preparing SMACs for spacecraft contaminants, published in its 1992 report Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants. Since then, the NRC's Subcommittee on Spacecraft Maximum Allowable Concentrations has been reviewing NASA's documentation of chemical-specific SMACs. This report is the fourth volume in the series Spacecraft Maximum Allowable Concentrations for Space Station Contaminants. The first volume was published in 1994 and the second and third in 1996. Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants: Volume 4 has been reviewed in draft form by individuals chosen for their technical expertise and diverse perspectives in accordance with procedures approved by the NRC's Report Review Committee for reviewing NRC and Institute of Medicine reports. The purpose of that Independent review was to provide candid and critical comments to assist the NRC in making the published report as sound as possible and to ensure that the report meets institutional standards for objectivity, evidence, and responsiveness to the study charge. The review comments and draft manuscript remain confidential to protect the integrity of the deliberative process.

Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants

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Author :
Publisher : National Academies Press
ISBN 13 :
Total Pages : 412 pages
Book Rating : 4.1/5 (575 download)

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Book Synopsis Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants by : National Research Council (U.S.). Subcommittee on Spacecraft Maximum Allowable Concentrations

Download or read book Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants written by National Research Council (U.S.). Subcommittee on Spacecraft Maximum Allowable Concentrations and published by National Academies Press. This book was released on 1996 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: "NASA is aware of the potential toxicologic hazards to crew that might be associated with prolonged spacecraft missions. Despite major engineering advances in controlling the atmosphere within spacecraft, some contamination of the air appears inevitable. NASA has measured numerous airborne contaminants during space missions. As the missions increase in duration and complexity, ensuring the health and well-being of astronauts traveling and working in this unique environment becomes increasingly difficult. As part of its efforts to promote safe conditions aboard spacecraft, NASA requested the National Research Council to develop guidelines for establishing spacecraft maximum allowable concentrations (SMACs) for contaminants and to review SMACs for various spacecraft contaminants to determine whether NASA's recommended exposure limits are consistent with the guidelines recommended by the committee." -- provided by publisher.

Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants

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Author :
Publisher :
ISBN 13 :
Total Pages : 365 pages
Book Rating : 4.:/5 (115 download)

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Book Synopsis Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants by :

Download or read book Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants written by and published by . This book was released on 2000 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants

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Author :
Publisher : National Academies Press
ISBN 13 : 0309128447
Total Pages : 406 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants by : National Research Council

Download or read book Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants written by National Research Council and published by National Academies Press. This book was released on 2008-12-24 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: NASA is aware of the potential toxicologic hazards to crew that might be associated with prolonged spacecraft missions. Despite major engineering advances in controlling the atmosphere within spacecraft, some contamination of the air appears inevitable. NASA has measured numerous airborne contaminants during space missions. As the missions increase in duration and complexity, ensuring the health and well-being of astronauts traveling and working in this unique environment becomes increasingly difficult. As part of its efforts to promote safe conditions aboard spacecraft, NASA requested the National Research Council to develop guidelines for establishing spacecraft maximum allowable concentrations (SMACs) for contaminants and to review SMACs for various spacecraft contaminants to determine whether NASA's recommended exposure limits are consistent with the guidelines recommended by the committee. This book is the fifth volume in the series Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants, and presents SMACs for acrolein, C3 to C8 aliphatic saturated aldehydes, C2 to C9 alkanes, ammonia, benzene, carbon dioxide, carbon monoxide, 1,2-dichloroethane, dimethylhydrazine, ethanol, formaldehyde, limonene, methanol, methylene dichloride, n-butanol, propylene glycol, toluene, trimethylsilanol, and xylenes.

Methods for Developing Spacecraft Water Exposure Guidelines

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Publisher : National Academies Press
ISBN 13 : 0309171741
Total Pages : 173 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Methods for Developing Spacecraft Water Exposure Guidelines by : National Research Council

Download or read book Methods for Developing Spacecraft Water Exposure Guidelines written by National Research Council and published by National Academies Press. This book was released on 2000-10-18 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Aeronautics and Space Administration (NASA) maintains an active interest in the environmental conditions associated with living and working in spacecraft and identifying hazards that might adversely affect the health and well-being of crew members. Despite major engineering advances in controlling the spacecraft environment, some water and air contamination appears to be inevitable. Several hundred chemical species are likely to be found in the closed environment of the spacecraft, and as the frequency, complexity, and duration of human space flight increase, identifying and understanding significant health hazards will become more complicated and more critical for the success of the missions. NASA asked the National Research Council (NRC) Committee on Toxicology to develop guidelines, similar to those developed by the NRC in 1992 for airborne substances, for examining the likelihood of adverse effects from water contaminants on the health and performance of spacecraft crews. In this report, the Subcommittee on Spacecraft Water Exposure Guidelines (SWEGs) examines what is known about water contaminants in spacecraft, the adequacy of current risk assessment methods, and the toxicologic issues of greatest concern.

Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants

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Author :
Publisher : Independently Published
ISBN 13 : 9781731263650
Total Pages : 134 pages
Book Rating : 4.2/5 (636 download)

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Book Synopsis Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants by : National Aeronautics and Space Adm Nasa

Download or read book Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-11-18 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Aeronautics and Space Administration (NASA) is preparing to launch a manned space station by the year 1996. Because of concerns about the health, safety, and functioning abilities of the crews, NASA has requested that the National Research Council (NRC) through the Board on Environmental Studies and Toxicology (BEST) provide advice on toxicological matters for the space-station program. The Subcommittee on Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants was established by the Committee on Toxicology (COT) to address NASA's concerns. Spacecraft maximum allowable concentrations (SMAC's) are defined as the maximum concentrations of airborne substances (such as gas, vapor, or aerosol) that will not cause adverse health effects, significant discomfort, or degradation in crew performance. Unspecified Center ATMOSPHERIC COMPOSITION; HUMAN PERFORMANCE; LIFE SUPPORT SYSTEMS; SPACE STATION FREEDOM; SPACECRAFT CABIN ATMOSPHERES; SPACECRAFT CONTAMINATION; TOXICOLOGY; TRACE CONTAMINANTS; AEROSOLS; AIR PURIFICATION; AIR SAMPLING; FLIGHT CREWS; VAPORS...

Refinements to the Methods for Developing Spacecraft Exposure Guidelines

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Author :
Publisher : National Academies Press
ISBN 13 : 0309390818
Total Pages : 65 pages
Book Rating : 4.3/5 (93 download)

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Book Synopsis Refinements to the Methods for Developing Spacecraft Exposure Guidelines by : National Academies of Sciences, Engineering, and Medicine

Download or read book Refinements to the Methods for Developing Spacecraft Exposure Guidelines written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2016-04-07 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human spaceflight is inherently risky, with numerous potential hazards posed at each phase of a mission. Potential health risks during spaceflights include short-term health consequences from being in microgravity, as well as long-term health consequences that arise, or continue, months or years after a flight. Additional health considerations are risks posed by exposure to environmental contaminants onboard spacecraft. Because the International Space Station and spacecraft are closed environments that require recirculation of air and water supplies, some contamination of the air and water will occur. Even with onboard air and water purification systems, chemicals will accumulate in the air and water as they recirculate or are recycled onboard. Therefore, it is necessary for the National Aeronautics and Space Administration (NASA) to identify hazardous contaminants and determine exposure levels that are not expected to pose a health risk to astronauts. NASA uses spacecraft maximum allowance concentrations (SMACs) and spacecraft water exposure guidelines (SWEGs) to provide guidance on acceptable exposures to air and water contaminants during normal operations and emergency situations. Refinements to the Methods for Developing Spacecraft Exposure Guidelines updates the methods for establishing SMACs and SWEGs and assists NASA with identifying chemicals that need updated SMACs or SWEGs and new chemicals for which these guidelines should be developed.

Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants

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Author :
Publisher : National Academies Press
ISBN 13 : 0309054788
Total Pages : 408 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants by : National Research Council

Download or read book Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants written by National Research Council and published by National Academies Press. This book was released on 1996-02-25 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Aeronautics and Space Administration (NASA) has developed spacecraft maximum allowable concentrations (SMACs) for contaminants that might be found in the atmosphere within spacecraft during space missions to ensure the health and well-being of astronauts traveling and working in this unique environment. In volume 1 of this series, NASA developed SMACs for 11 compounds: acetaldehyde, ammonia, carbon monoxide, formaldehyde, Freon 113, hydrogen, methane, methanol, octamethyltrisiloxane, trimethylsilanol, and vinyl chloride. Volume 2 includes SMACs for 12 more airborne contaminants: acrolein, benzene, carbon dioxide, 2-ethoxyethanol, hydrazine, indole, mercury, methylene chloride, methyl ethyl ketone, nitromethane, 2-propoanol, and toluene. In developing SMACs from the toxicological literature, NASA followed the Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants published in 1992 by the National Research Council.

Acute Exposure Guideline Levels for Selected Airborne Chemicals

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Author :
Publisher : National Academies Press
ISBN 13 : 030915233X
Total Pages : 465 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Acute Exposure Guideline Levels for Selected Airborne Chemicals by : National Research Council

Download or read book Acute Exposure Guideline Levels for Selected Airborne Chemicals written by National Research Council and published by National Academies Press. This book was released on 2010-03-18 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the eighth volume in the series Acute Exposure Guideline Levels for Selected Airborne Chemicals, and reviews AEGLs for acrolein, carbon monoxide, 1,2-dichloroethene, ethylenimine, fluorine, hydrazine, peracetic acid, propylenimine, and sulfur dioxide for scientific accuracy, completeness, and consistency with the NRC guideline reports.

Advanced Technology for Human Support in Space

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Publisher : National Academies Press
ISBN 13 : 0309057442
Total Pages : 151 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Advanced Technology for Human Support in Space by : National Research Council

Download or read book Advanced Technology for Human Support in Space written by National Research Council and published by National Academies Press. This book was released on 1997-08-02 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Technology for Human Support in Space was written in response to a request from NASA's Office of Life and Microgravity Sciences and Applications (OLMSA) to evaluate its Advanced Human Support Technology Program. This report reviews the four major areas of the program: advanced life support (ALS), environmental monitoring and control (EMC), extravehicular activities (EVA), and space human factors (SHF). The focus of this program is on long-term technology development applicable to future human long-duration space missions, such as for a hypothetical new mission to the Moon or Mars.

Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants

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Publisher : National Academies Press
ISBN 13 : 0309143799
Total Pages : 190 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants by : National Research Council

Download or read book Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants written by National Research Council and published by National Academies Press. This book was released on 2009-10-21 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: U.S. Navy personnel who work on submarines are in an enclosed and isolated environment for days or weeks at a time when at sea. Unlike a typical work environment, they are potentially exposed to air contaminants 24 hours a day. To protect workers from potential adverse health effects due to those conditions, the U.S. Navy has established exposure guidance levels for a number of contaminants. The Navy asked a subcommittee of the National Research Council (NRC) to review, and develop when necessary, exposure guidance levels for specific contaminants. This volume, the third in a series, recommends 1-hour and 24-hour emergency exposure guidance levels (EEGLs) and 90-day continuous exposure guidance levels (CEGLs) for acetaldehyde, hydrogen chloride, hydrogen fluoride, hydrogen sulfide, and propylene glycol dinitrate.

Acute Exposure Guideline Levels for Selected Airborne Chemicals

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Author :
Publisher : National Academies Press
ISBN 13 : 0309182700
Total Pages : 292 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Acute Exposure Guideline Levels for Selected Airborne Chemicals by : National Research Council

Download or read book Acute Exposure Guideline Levels for Selected Airborne Chemicals written by National Research Council and published by National Academies Press. This book was released on 2002-10-07 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews toxicity documents on five chemicals that can be released in the air from accidents at chemical plants, storage sites, or during transportation. The documents were prepared by the National Advisory Committee on Acute Exposure Guideline Levels for Hazardous Substances and were evaluated for their scientific validity, comprehensives, internal consistency, and conformance to the 1993 guidelines report.

Spacecraft Water Exposure Guidelines for Selected Contaminants

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Author :
Publisher : National Academies Press
ISBN 13 : 0309128382
Total Pages : 206 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Spacecraft Water Exposure Guidelines for Selected Contaminants by : National Research Council

Download or read book Spacecraft Water Exposure Guidelines for Selected Contaminants written by National Research Council and published by National Academies Press. This book was released on 2008-12-21 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: NASA maintains an active interest in the environmental conditions associated with living and working in spacecraft and identifying hazards that might adversely affect the health and well-being of crew members. Despite major engineering advances in controlling the spacecraft environment, some water and air contamination is inevitable. Several hundred chemical species are likely to be found in the closed environment of the spacecraft, and as the frequency, complexity, and duration of human space flight increase, identifying and understanding significant health hazards will become more complicated and more critical for the success of the missions. To protect space crews from contaminants in potable and hygiene water, NASA requested that the National Research Council NRC provide guidance on how to develop water exposure guidelines and subsequently review NASA's development of the exposure guidelines for specific chemicals. This book presents spacecraft water exposure guidelines (SWEGs) for antimony, benzene, ethylene glycol, methanol, methyl ethyl ketone, and propylene glycol.