ASTM-E971 › Complete Document History
Standard Practice for Calculation of Photometric Transmittance and Reflectance of Materials to Solar Radiation

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

Obsolete Revision Information:
   2011 EDITION - Calculation of Photometric Transmittance and Reflectance of Materials to Solar Radiation - Oct. 1, 2011
   1988 R03 EDITION - REAPPROVED IN 2003 - May 1, 2003
   1988 R96(E1) EDITION - REAPPROVED IN 1996 - April 1, 1996
   1988 EDITION - CALCULATION OF PHOTOMETRIC TRA - Aug. 26, 1988