DIN-EN-938 Complete Document History
Chemicals used for treatment of water intended for human consumption - Sodium chlorite

Complete Current Edition:
   2016 EDITION - ENGLISH VERSION OF DIN-EN-938 - Sept. 1, 2016

Obsolete Revision Information:
   2009 EDITION - ENGLISH VERSION OF DIN-EN-938 - April 1, 2009
   2007 DRAFT - GERMAN LANGUAGE ONLY - July 1, 2007
   2000 EDITION - ENGLISH VERSION OF DIN-EN-938 - March 1, 2000