NASA’s Office of the Chief Heath and Medical Officer has published a number of technical briefs [0] that cover a variety of human spaceflight related risks and

NASA’s Office of the Chief Heath and Medical Officer has published a number of technical briefs [0] that cover a variety of human spaceflight related risks and topics. In particular, they have one for carbon dioxide [1, PDF warning] with some references that may interest you. [0]: https://www.nasa.gov/ochmo/health-operations-and-oversight/hsa-standards/ochmo-technical-briefs/ https://www.nasa.gov/ochmo/health-operations-and-oversight/h... [1]: https://www.nasa.gov/wp-content/uploads/2023/12/ochmo-tb-004-carbon-dioxide.pdf https://www.nasa.gov/wp-content/uploads/2023/12/ochmo-tb-004...