ASTM-D6439 Complete Document History
Standard Guide for Cleaning, Flushing, and Purification of Steam, Gas, and Hydroelectric Turbine Lubrication Systems

Complete Current Edition:
   2023 EDITION - Standard Guide for Cleaning, Flushing, and Purification of Steam, Gas, and Hydroelectric Turbine Lubrication Systems - Aug. 2, 2023

Obsolete Revision Information:
   2011 R17 EDITION - REAPPROVED IN 2017 - July 1, 2017
   2011 EDITION - STANDARD GUIDE FOR CLEANING, - July 15, 2011
   2005 EDITION - CLEANING, FLUSHING, AND PURIFICATION OF STEAM, GAS, AND HYDROELE - April 1, 2005
   1999 EDITION - CLEANING, FLUSHING, AND PURIFICATION OF STEAM, GAS, AND HYDROELE - Aug. 10, 1999