When discharging industrial gas into the indoor environment in high altitude astronomy, we never wore breathing respirators that fed us oxygenated air at above the legally required 19.5% oxygen levels.

~ Steven Magee

Steven Magee Air Altitude Astrobiology Astronomer Astronomical Astronomy Astrophysics Astrosociobiology Breathing Discharging Environment Fed Gas High Indoor Industrial Legally Levels Liquid Osha Oxygen Oxygenated Respirators

Astronomy staff that routinely discharged industrial gas into the indoor environment at high altitudes did not wear oxygen deficiency monitors or protective breathing respirators.

~ Steven Magee

Steven Magee Altitude Astrobiology Astronomer Astronomical Astronomy Astrophysics Breathing Deficiency Discharged Environment Gas High Indoor Industrial Monitors Observatory Oxygen Protective Respirators Routinely Staff Very Wear