Historical
ANSI/ASHRAE Standard 161-2018
Air Quality within Commercial Aircraft
This standard applies to commercial passenger air-carrier aircraft carrying 20 or more passengers and certified under Title 14 CFR Part 25 1.This standard considers chemical, physical, and biological contaminants as well as moisture, temperature, pressure, and other factors that may affect air quality.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]