ASTM-E261 Complete Document History
Standard Practice for Determining Neutron Fluence, Fluence Rate, and Spectra by Radioactivation Techniques

Complete Current Edition:
   2016 EDITION - Determining Neutron Fluence, Fluence Rate, and Spectra by Ra - Oct. 15, 2016

Obsolete Revision Information:
   2015 EDITION - Determining Neutron Fluence, Fluence Rate, and Spectra by Ra - July 15, 2015
   2010 EDITION - Determining Neutron Fluence, Fluence Rate, and Spectra by Ra - Jan. 1, 2010
   2003 EDITION - Determining Neutron Fluence, Fluence Rate, and Spectra by Ra - July 10, 2003
   1998 EDITION - Determining Neutron Fluence, Fluence Rate, and Spectra by Ra - Jan. 10, 1998
   1996 EDITION - Determining Neutron Fluence, Fluence Rate, and Spectra by Ra - Dec. 10, 1996
   1990 EDITION - Determining Neutron Fluence, Fluence Rate, and Spectra by Ra - May 25, 1990
   1977 EDITION - Determining Neutron Fluence, Fluence Rate, and Spectra by Ra - May 27, 1977