ASA S12.11-2013/Part 1/ISO 10302:1-2011 (R2018)
American National Standard for Acoustics – Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices – Part 1: Airborne noise measurement (a nationally adopted international standard).
standard by American National Standards of the Acoustical Society of America, 04/02/2013