ASHRAE 185.1-2015 Addendum a

Addendum a to Standard 185.1-2015 — Method of Testing UV-C Lights for Use in Air-Handling Units or Air Ducts to Inactivate Airborne Microorganisms (ANSI Approved)
Amendment by ASHRAE, 2020

ASHRAE 62.1-2016 Addendum al

Addendum al for Standard 62.1-2016 — Ventilation for Acceptable Indoor Air Quality (ANSI Approved)
Amendment by ASHRAE, 2019