NASA Spaceflight Human System Standard Volume 2: Human Factors, Habitability, and Environmental Health
NASA-STD-3001 Volume 2 covers human-related vehicle system design and operations requirements that will maintain astronaut safety and promote performance. While Volume 1 covers the requirements needed to support astronaut health and provide medical care.

Contents
FOREWORD
This NASA Technical Standard is published by the National Aeronautics and Space Administration (NASA) to provide uniform engineering and technical requirements for processes, procedures, practices, and methods endorsed as standard for NASA programs and projects, including technical requirements for selection, application, and design criteria of an item. This NASA Technical Standard provides uniform technical requirements for the design, selection, and application of hardware, software, processes, procedures, practices, and methods for human-rated systems.
This NASA Technical Standard is approved for use by NASA Headquarters and NASA Centers and Facilities, including Component Facilities and Technical and Service Support Centers, and applicable technical requirements may be cited in contract, program, and other Agency documents. It may also apply to the Jet Propulsion Laboratory (A Federally Funded Research and Development Center [FFRDC]), other contractors, recipients of grants and cooperative agreements, and parties to other agreements only to the extent specified or referenced in applicable contracts, grants, and agreements.
This NASA Technical Standard establishes Agency-wide technical requirements that minimize health and performance risks for flight crew in human spaceflight programs. This NASA Technical Standard applies to space vehicles, habitats, facilities, payloads, and related equipment with which the crew interfaces during spaceflight and lunar and planetary, e.g., Mars, habitation.
Requests for information should be submitted via “Feedback” at https://standards.nasa.gov. Requests for changes to this NASA Technical Standard should be submitted via MSFC Form 4657, Change Request for a NASA Engineering Standard.