ASTM-D4437 › Complete Document History
Standard Practice for Nondestructive Testing (NDT) for Determining the Integrity of Seams Used in Joining Flexible Polymeric Sheet Geomembranes

Complete Current Edition:
   2016 R23 EDITION - REAPPROVED IN 2023 - Nov. 7, 2023

Obsolete Revision Information:
   2016 R18 EDITION - REAPPROVED IN 2018 - Feb. 1, 2018
   2016 EDITION - Non-destructive Testing (NDT) for Determining the Integrity - Oct. 1, 2016
   2008 R13 EDITION - REAPPROVED IN 2013 - June 1, 2013
   2008 EDITION - Non-destructive Testing (NDT) for Determining the Integrity - April 1, 2008
   1999 EDITION - Non-destructive Testing (NDT) for Determining the Integrity - March 10, 1999
   1984 EDITION - Non-destructive Testing (NDT) for Determining the Integrity - Nov. 30, 1984