Risk of Toxic Substance Exposure
Safe, breathable air is essential for crew health. Human spaceflight has involved toxicological events ranging in severity from trivial to life-threatening. Toxic exposure to chemical contaminants can originate from environmental system leaks, payload leaks, pyrolysis of polymeric materials, off-gassing of polymeric materials, use of utility compounds, propellant entry, microbial products, and human metabolism. To ensure […]
Published by NASA on 03/11/2025
