ASTM-C4 Complete Document History
Standard Specification for Clay Drain Tile and Perforated Clay Drain Tile

Complete Current Edition:
   2004 R23 EDITION - REAPPROVED IN 2023 - Oct. 5, 2023

Obsolete Revision Information:
   2004 R18 EDITION - REAPPROVED IN 2018 - Sept. 1, 2018
   2004 R14 EDITION - REAPPROVED IN 2014 - Sept. 15, 2014
   2004 R09 EDITION - REAPPROVED IN 2009 - Oct. 1, 2009
   2004(E1) EDITION - EDITORIALLY CORRECTED - April 1, 2005
   2004 EDITION - Clay Drain Tile and Perforated Clay Drain Tile - Oct. 1, 2004
   2003 EDITION - Clay Drain Tile and Perforated Clay Drain Tile - Jan. 1, 2003
   2002 EDITION - Clay Drain Tile and Perforated Clay Drain Tile - Jan. 10, 2002
   2000 EDITION - Clay Drain Tile and Perforated Clay Drain Tile - Jan. 10, 2000
   1999 EDITION - Clay Drain Tile and Perforated Clay Drain Tile - April 10, 1999
   1998 EDITION - Clay Drain Tile and Perforated Clay Drain Tile - March 10, 1998
   1997 EDITION - Clay Drain Tile and Perforated Clay Drain Tile - April 10, 1997
   1996(E1) EDITION - BALLOTED FIG 1 ADDED EDITORIAL - Feb. 1, 1997
   1996 EDITION - Standard Specifications For Clay Drain Tile - Aug. 10, 1996
   1995 EDITION - Standard Specifications For Clay Drain Tile - Oct. 10, 1995
   1962 R81(E1) EDITION - EDITORIALLY CORRECTED - Sept. 28, 1962