ASHRAE 170-2017 Addendum c

Addendum c to ANSI/ASHRAE/ASHE Standard 170-2017 — Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)
Amendment by ASHRAE, 2020

ASHRAE 170-2017 Addendum b

Addendum b to ANSI/ASHRAE/ASHE Standard 170-2017 — Ventilation of Health Care Facilities (ANSI/ASHRAE/ASHE Approved)
Amendment by ASHRAE, 2020

ASHRAE 62.1-2019 Addendum y

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