ASTM-D5850 › Complete Document History
Standard Practice for (Analytical Procedure) Determining Transmissivity, Storage Coefficient, and Anisotropy Ratio from a Network of Partially Penetrating Wells

Complete Current Edition:
   2020 EDITION - Anisotropy Ratio from a Network of Partially Penetrating Wells - June 29, 2020

Obsolete Revision Information:
   2018 EDITION - (Analytical Procedure) Determining Transmissivity, Storage Coefficient, and Anisotropy Ratio from a Network of Partially Penetrating Wells - Jan. 1, 2018
   1995 R12 EDITION - REAPPROVED IN 2012 - Dec. 1, 2012
   1995 R06 EDITION - REAPPROVED IN 2006 - Dec. 1, 2006
   1995 EDITION - PARTIALLY PENETRATING WELLS, S - Oct. 10, 1995
   1995 R00 EDITION - REAPPROVED IN 2000 - Oct. 10, 1995