ASHRAE STD 62.1
Ventilation for Acceptable Indoor Air Quality
|Publication Date:||22 June 2019|
Addendum ar modifies language in Informative Appendix E, "Acceptable Mass Balance Equations for Use with the IAQ Procedure," to be consistent with the current IAQP. It also clarifies that the equations do not include any potential compounds added by the HVAC system.
Note: In this addendum, changes to the current standard are indicated in the text by underlining (for additions) and (for deletions) unless the instructions specifically mention some other means of indicating the changes.