ASTM-D4132 Complete Document History
Standard Practice for Sampling Phytoplankton with Conical Tow Nets (Withdrawn 2020)


Obsolete Revision Information:
   WITHDRAWN - WITHDRAWN WITHOUT REPLACEMENT - May 5, 2020
   1982 R12 EDITION - REAPPROVED IN 2012 - Nov. 15, 2012
   1982 R04 EDITION - REAPPROVED IN 2004 - Jan. 1, 2004
   1982 R98 EDITION - REAPPROVED IN 1998 - May 28, 1982
   1982 EDITION - SAMPLING PHYTOPLANKTON WITH CO - May 28, 1982