ASTM-C457 Complete Document History
Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete

Complete Current Edition:
   2016 EDITION - Microscopical Determination of Parameters of the Air-Void Sy - April 15, 2017

Obsolete Revision Information:
   2012 EDITION - Microscopical Determination of Parameters of the Air-Void Sy - Dec. 15, 2012
   2011 EDITION - Microscopical Determination of Parameters of the Air-Void Sy - Nov. 1, 2011
   2010A EDITION - Microscopical Determination of Parameters of the Air-Void Sy - June 1, 2010
   2010 EDITION - Microscopical Determination of Parameters of the Air-Void Sy - April 1, 2010
   2009 EDITION - Microscopical Determination of Parameters of the Air-Void Sy - July 1, 2009
   2008D EDITION - Microscopical Determination of Parameters of the Air-Void Sy - Dec. 15, 2008
   2008C EDITION - Microscopical Determination of Parameters of the Air-Void Sy - Oct. 1, 2008
   2008B EDITION - Microscopical Determination of Parameters of the Air-Void Sy - July 1, 2008
   2008A EDITION - Microscopical Determination of Parameters of the Air-Void Sy - May 1, 2008
   2008 EDITION - Microscopical Determination of Parameters of the Air-Void Sy - Jan. 1, 2008
   2006 EDITION - Microscopical Determination of Parameters of the Air-Void Sy - Jan. 1, 2006
   1998 EDITION - Microscopical Determination of Parameters of the Air-Void Sy - July 10, 1998
   1990 EDITION - Microscopical Determination of Parameters of the Air-Void Sy - Oct. 26, 1990
   1982A(E1) EDITION - EDITORIALLY CORRECTED - April 1, 1990
   1982A EDITION - Microscopical Determination of Parameters of the Air-Void Sy - Sept. 1, 1982