“Type A propellant” means a compressed gas, such as carbon dioxide (CO2), nitrogen (N2), nitrous oxide (N2O), or compressed air, that is used as a propellant, that is either incorporated into the product or contained in a separate chamber within the product’s packaging.

Source. #10527, eff 2-26-14; ss by #13969, eff 5-21-24 (formerly Env-A 4104.61)