AIR-STD-1056 Complete Document History
The Measurement of Protection Provided to the Respiratory Tract and Eyes against NBC Agents in Particulate, Aerosol and Vapour Form

Complete Current Edition:
   REVISION 2/AM 2 - CLASSIFIED - SEE YOUR CONTRACTING OFFICER - May 25, 2020

Obsolete Revision Information:
   BASE - CLASSIFIED - SEE YOUR CONTRACTING OFFICER - Oct. 13, 2010