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Air Quality Standards for Space Vehicles and Habitats
Technical Paper
2008-01-2125
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
NASA has unique requirements for the development and application of air quality standards for human space flight. Such standards must take into account the continuous nature of exposures, the possibility of increased susceptibility of crewmembers to the adverse effects of air pollutants because of the stresses of space flight, and the recognition that rescue options may be severely limited in remote habitats. NASA has worked with the National Research Council Committee on Toxicology (NRCCOT) since the early 1990s to set and document appropriate standards. The process has evolved through 2 rounds. The first was to set standards for the space station era, and the second was to set standards for longer stays in space and update the original space station standards. The update was to be driven by new toxicological data and by new methods of risk assessment for predicting safe levels from available data. The last phase of this effort has been completed. The final version of air quality standards for exposure durations from 1 hour to 1000 days is presented for selected interesting compounds. My goal is to convey to the community of vehicle engineers, medical specialists, payload providers, and safety experts how the air quality values are designed to be used. These values are called spacecraft maximum allowable concentrations (SMACs).
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Citation
James, J., "Air Quality Standards for Space Vehicles and Habitats," SAE Technical Paper 2008-01-2125, 2008, https://doi.org/10.4271/2008-01-2125.Data Sets - Support Documents
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References
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- NRC Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants Washington, DC National Academy Press 1992
- NRC Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants 1 Washington, DC National Academy Press 1994
- NRC Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants 2 Washington, DC National Academy Press 1996
- NRC Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants 3 Washington, DC National Academy Press 1996
- NRC Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants 4 Washington, DC National Academy Press 2000