This is important to define, if the CO2‐related variables should be excluded (ACSM/AMS) as well as to specify units of the PMF input. To calculate display the CO2‐related variables correclty in the PMF results, it is important to select the proper ACSM/AMS type as they use different fragmentation tables.
For ACSM and AMS the unit “ugm‐3” is automatically passed. For the other cases the user is prompted to define the units manually.