AWWA-G200 › Complete Document History
Standard Test Method for Measurement of Oxidation-Reduction Potential (ORP) of Soil

Complete Current Edition:
   2021 EDITION - Distribution Systems Operation and Management - June 10, 2021

Obsolete Revision Information:
   2015 EDITION - Standard Test Method for Measurement of Oxidation-Reduction Potential (ORP) of Soil - Jan. 1, 2015
   2009 EDITION - Distribution Systems Operation and Management - Jan. 1, 2009
   2004 EDITION - Distribution Systems Operation and Management - June 1, 2004