ASHRAE 189.1-2020 Addenda aq

Addenda aq to Standard 189.1-2020 — Standard for the Design of High-Performance Green Buildings (ANSI Approved; USGBC and IES Co-sponsored)
Amendment by ASHRAE, 2022

ASHRAE 170-2021 Addenda f

Addenda f to Standard 170-2021 — Ventilation of Health Care Facilities (ANSI Approved; ASHE Co-sponsored)
Amendment by ASHRAE, 2022