ASTM-G91 › Complete Document History
Standard Practice for Monitoring Atmospheric SO2 Deposition Rate for Atmospheric Corrosivity Evaluation

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

Obsolete Revision Information:
   2011 EDITION - Monitoring Atmospheric SO2 Deposition Rate for Atmospheric Corrosivity Evaluation - Jan. 1, 2012
   1997 R10 EDITION - REAPPROVED IN 2010 - Dec. 1, 2010
   1997 R04 EDITION - REAPPROVED IN 2004 - Nov. 1, 2004
   1992 EDITION - Standard Practice for Monitoring Atmospheric SO2 Deposition - June 15, 1992
   1986 EDITION - Standard Practice for Monitoring Atmospheric SO2 Deposition - April 25, 1986