ASHRAE 34-2019 Addendum ad

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

ASHRAE 41.1-2020 Addendum a

Addendum a to Standard 41.1-2020 — Standard Methods for Temperature Measurement (ANSI Approved)
Amendment by ASHRAE, 2022