ASTM-D3974 › Complete Document History
Standard Practices for Extraction of Trace Elements from Sediments

Complete Current Edition:
   2009 R23 EDITION - REAPPROVED IN 2023 - Jan. 11, 2024

Obsolete Revision Information:
   2009 R15 EDITION - REAPPROVED IN 2015 - Jan. 15, 2015
   2009 EDITION - Extraction of Trace Elements from Sediments - May 1, 2009
   1981 R08 EDITION - REAPPROVED IN 2008 - Oct. 1, 2008
   1981 R03(E1) EDITION - EDITORIALLY CORRECTED - June 1, 2003
   1981(E1) EDITION - EDITORIALLY CORRECTED - March 2, 1981
   1981 R99 EDITION - REAPPROVED IN 1999 - March 2, 1981