ASHRAE IC 62.1-2019-2

Interpretation IC 62.1-2019-2 of Standard 62.1-2019 — Ventilation for Acceptable Indoor Air Quality (ANSI Approved)
Amendment by ASHRAE, 2021

ASHRAE 41.7-2021

Standard 41.7-2021 — Standard Methods for Gas Flow Measurement (ANSI Approved)
standard by ASHRAE, 2021