Standard Practice for
Testing for Leaks in the Filters Associated With Laminar
Flow Clean Rooms and Clean Work Stations by Use of a
Condensation Nuclei Detector1
This wellknown is issued beneath the fixed designation f 91; the wide variety immediately following the designation shows the 12 months of unique
adoption or, in the case of revision, the yr of remaining revision. various in parentheses indicates the 12 months of final reapproval. a superscript
epsilon (e) shows an article change for the reason that final revision or reapproval.
click below to download Astm 91 – 70 (Reapproved 2001) pdf free
