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ASHRAE IC 52.2-2012-2

Interpretation IC 52.2-2012-2 of Standard 52.2-2012 — Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size (ANSI Approved)
Amendment by ASHRAE, 2014

ASHRAE IC 52.2-2012-1

Interpretation IC 52.2-2012-1 of Standard 52.2-2012 — Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size (ANSI Approved)
Amendment by ASHRAE, 2014