ASHRAE 154-2016 Addendum q

Addendum q to Standard 154-2016– Ventilation for Commercial Cooking (ANSI Approved)
Amendment by ASHRAE, 2022

ASHRAE 34-2019 Addendum ab

Addendum ab to Standard 34-2019 — Designation and Classification of Refrigerants (ANSI Approved)
Amendment by ASHRAE, 2022