On July 14, 2026, NASA approved Revision F of NASA-STD-3001, Volume 2, adding a dedicated Martian Dust Contamination requirement to the agency’s human-system standard. As of August 19, 2026, Revision F is the published version available through NASA’s standards program. Its new requirement, V2 6253, tells designers to keep Martian dust particles smaller than 10 μm in habitable air below a time-weighted average of 0.1 mg/m³ during exposure scenar…
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