ASTM-D4106 › Complete Document History
Standard Practice for (Analytical Procedure) for Determining Transmissivity and Storage Coefficient of Nonleaky Confined Aquifers by the Theis Nonequilibrium Method

Complete Current Edition:
   2020 EDITION - Storage Coefficient of Nonleaky Confined Aquifers by the Theis Nonequilibrium Method - June 16, 2020

Obsolete Revision Information:
   2015 EDITION - (Analytical Procedure) for Determining Transmissivity and Storage Coefficient of Nonleaky Confined Aquifers by the Theis Nonequilibrium Method - June 15, 2015
   1996 R08 EDITION - REAPPROVED IN 2008 - Oct. 1, 2008
   1996 EDITION - CONFINED AQUIFERS BY THE THEIS - Oct. 10, 1996
   1996 R02 EDITION - REAPPROVED IN 2002 - Oct. 10, 1996
   1991 EDITION - Determining Transmissivity and Storage Coefficient of Nonleaky - June 15, 1992