When you get it, you don’t need all the information in ACX Check. Just the first three readings and the sentence 2/3 down.
These are the values.
https://forum.audacityteam.org/t/measure-between-23db-and-18db-rms/32770/16
It is recommended you do production in mono, one blue wave and not stereo, two blue waves. ACX likes that and it makes production, mastering and storage easier.
Koz