ASTM-E1980 › Complete Document History
Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces

Complete Current Edition:
   2011 R19 EDITION - REAPPROVED IN 2019 - Aug. 1, 2019

Obsolete Revision Information:
   2011 EDITION - Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces - Jan. 1, 2011
   WITHDRAWN - WITHDRAWN IN 2010 - Jan. 1, 2010
   2001 EDITION - Calculating Solar Reflectance Index of Horizontal and Low-Sl - April 10, 2001
   1998(E1) EDITION - EDITORIAL CHANGE WAS MADE - Aug. 1, 2000
   1998 EDITION - Calculating Solar Reflectance Index of Horizontal and Low-Sl - Sept. 10, 1998