ASTM-D5270 Complete Document History
Standard Test Method for Determining Transmissivity and Storage Coefficient of Bounded, Nonleaky, Confined Aquifers

Complete Current Edition:
   2020 EDITION - Determining Transmissivity and Storage Coefficient of Bounded, Nonleaky, Confined Aquifers - June 29, 2020

Obsolete Revision Information:
   1996 R14 EDITION - REAPPROVED IN 2014 - Feb. 15, 2014
   1996 R08 EDITION - REAPPROVED IN 2008 - Oct. 1, 2008
   1996 EDITION - DETERMINING TRANSMISSIVITY AND S - Oct. 10, 1996
   1996 R02 EDITION - REAPPROVED IN 2002 - Oct. 10, 1996
   1992 EDITION - DETERMINING TRANSMISSIVITY AND S - July 15, 1992