ASTM-E1865 › Complete Document History
Standard Guide for Open-Path Fourier Transform Infrared (OP/FT-IR) Monitoring of Gases and Vapors in Air

Complete Current Edition:
   1997 R21 EDITION - REAPPROVED IN 2021 - April 21, 2021

Obsolete Revision Information:
   1997 R13 EDITION - REAPPROVED IN 2013 - Jan. 15, 2013
   1997 R07 EDITION - REAPPROVED IN 2007 - Dec. 1, 2007
   1997 EDITION - Open-Path Fourier Transform Infrared (OP/FT-IR) Monitoring o - March 10, 1997
   1997 R02 EDITION - REAPPROVED IN 2002 - March 10, 1997