ASTM-F449 Complete Document History
Standard Practice for Subsurface Installation of Corrugated Polyethylene Pipe for Agricultural Drainage or Water Table Control

Complete Current Edition:
   2020 EDITION - Agricultural Drainage or Water Table Control - May 15, 2020

Obsolete Revision Information:
   2016 EDITION - Subsurface Installation of Corrugated Polyethylene Pipe for Agricultural Drainage or Water Table Control - March 15, 2016
   2002 R14 EDITION - Subsurface Installation of Corrugated Polyethylene Pipe for - Sept. 15, 2014
   2002(E1) EDITION - EDITORIALLY CORRECTED - Nov. 1, 2003
   2002 EDITION - Subsurface Installation of Corrugated Polyethylene Pipe for - Sept. 10, 2002
   1997 EDITION - Subsurface Installation of Corrugated Polyethylene Pipe for - May 10, 1997
   1993 EDITION - Subsurface Installation of Corrugated Polyethylene Pipe for - March 15, 1993
   1991 EDITION - Subsurface Installation of Corrugated Polyethylene Pipe for - March 11, 1991
   1985 EDITION - Subsurface Installation of Corrugated Polyethylene Pipe for - Dec. 27, 1985