ASTM-D421 › Complete Document History
Standard Practice for Dry Preparation of Soil Samples for Particle-Size Analysis and Determination of Soil Constants (Withdrawn 2016)


Obsolete Revision Information:
   ADOPT WITHDRAWN - FYI ONLY: DOD ADOPTION WITHDRAWN - Jan. 15, 2016
   WITHDRAWN - WITHDRAWN, NO REPLACEMENT - Jan. 15, 2016
   1985 R07 EDITION - REAPPROVED IN 2007 - Sept. 1, 2007
   1985 R02 EDITION - REAPPROVED IN 2002 - Dec. 1, 2002
   1985 R93(E1) EDITION - EDITORIALLY CORRECTED - Sept. 1, 1993
   DOD ADOPTION - FYI ONLY: DOD ADOPTED - Feb. 27, 1990
   1985 R98 EDITION - REAPPROVED IN 1998 - July 26, 1985
   1985 EDITION - Dry Preparation of Soil Samples for Particle-Size Analysis a - July 26, 1985