ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.
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ASHRAE 52.2 ADD I-2016
Scope
FOREWORD ISO 12103-1@ ??A2 Fine Test Dust@?? has formally replaced SAE Standard J726 test dust. Addendum i updates the standard to reflect this change. Note: In this addendum@ changes to the current standard are indicated in the text by underlining (for additions) and (for deletions) unless the instructions specifically mention some other means of indicating the changes.
ASHRAE 52.2 ADD I-2016 history
2016ASHRAE 52.2 ADD I-2016 Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size