ASTM-E2459 Complete Document History
Standard Guide for Measurement of In-Duct Sound Pressure Levels from Large Industrial Gas Turbines and Fans

Complete Current Edition:
   2005 R16 EDITION - REAPPROVED IN 2016 - Nov. 1, 2016

Obsolete Revision Information:
   2005 R11 EDITION - REAPPROVED IN 2011 - Aug. 15, 2011
   2005 EDITION - MEASUREMENT OF IN-DUCT SOUND PFESSURE LEVELS FROM LARGE INDU - Oct. 15, 2005