ASTM-F2544 Complete Document History
Standard Test Method for Determining A-Weighted Sound Power Level of Central Vacuum Power Units

Complete Current Edition:
   2011 R18 EDITION - REAPPROVED IN 2018 - March 1, 2018

Obsolete Revision Information:
   2011 EDITION - Determining A-Weighted Sound Power Level of Central Vacuum Power Units - Dec. 31, 2011
   2006 EDITION - DETERMINING A-WEIGHTED SOUND POWER LEVEL OF CENTRAL VACUUM P - July 1, 2006