ASHRAE 34-2019 Addendum a

Addendum a to Standard 34-2019 — Designation and Classification of Refrigerants (ANSI Approved)
Amendment by ASHRAE, 2019

ASHRAE 170-2017 Addendum p

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

ASHRAE 62.1-2016 Addendum aj

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