ASHRAE STD 188
Legionellosis: Risk Management for Building Water Systems
|Publication Date:||29 January 2021|
This addendum updates the reference for the Cooling Technology Institute Guideline from the old designation of WTB-148 to the new designation, GDL-159.
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.