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ASHRAE 37-1988

Standard 37-1988 — Methods of Testing for Rating Unitary Air-Conditioning and Heat Pump Equipment
standard by ASHRAE, 1988

ASHRAE 52.2-1999 Addendum a

Addendum a to Standard 52.2-1999 — Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size (ANSI approved)
Amendment by ASHRAE, 2006