ASTM-E809 Complete Document History
Standard Practice for Measuring Photometric Characteristics of Retroreflectors

Complete Current Edition:
   2021 EDITION - Measuring Photometric Characteristics of Retroreflectors - Feb. 5, 2021

Obsolete Revision Information:
   2008 R13 EDITION - REAPPROVED IN 2013 - Jan. 15, 2013
   2008 EDITION - MEASURING PHOTOMETRIC CHARACTERISTICS OF RETROREFLECTORS, ST - Jan. 1, 2008
   2002 EDITION - MEASURING PHOTOMETRIC CHARACTERISTICS OF RETROREFLECTORS, ST - June 10, 2002
   1994A EDITION - MEASURING PHOTOMETRIC CHARACTE - April 15, 1994
   1994 R00 EDITION - REAPPROVED IN 2000 - April 15, 1994
   1994 EDITION - MEASURING PHOTOMETRIC CHARACTE - Feb. 15, 1994
   1993B EDITION - MEASURING PHOTOMETRIC CHARACTE - Sept. 15, 1993
   1993A EDITION - MEASURING PHOTOMETRIC CHARACTE - May 15, 1993
   1993 EDITION - MEASURING PHOTOMETRIC CHARACTE - March 15, 1993
   1991 EDITION - MEASURING PHOTOMETRIC CHARACTE - Feb. 22, 1991
   1981 EDITION - MEASURING PHOTOMETRIC CHARACTE - April 24, 1981