ASHRAE 62.1-2019 Addendum i

Addendum i to Standard 62.1-2019 — Ventilation for Acceptable Indoor Air Quality (ANSI Approved)
Amendment by ASHRAE, 2022

ASHRAE 15-2019 Addendum o

Addendum o to Standard 15-2019 — Safety Standard for Refrigeration Systems and Designation and Classification of Refrigerants (ANSI Approved)
Amendment by ASHRAE, 2022