ASTM-C522 Complete Document History
Standard Test Method for Airflow Resistance of Acoustical Materials

Complete Current Edition:
   2003 R16 EDITION - REAPPROVED IN 2016 - April 15, 2016

Obsolete Revision Information:
   2003 R09(E1) EDITION - EDITORIALLY CORRECTED - March 1, 2010
   2003 R09 EDITION - REAPPROVED IN 2009 - Dec. 15, 2009
   2003 EDITION - Airflow Resistance of Acoustical Materials - Oct. 1, 2003
   1987 R97 EDITION - REAPPROVED 1997 - Jan. 1, 1997
   1987 R93(E1) EDITION - EDITORIALLY CORRECTED - April 1, 1993
   1987 EDITION - Airflow Resistance of Acoustical Materials - Aug. 28, 1987