FED-STD-209E

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FED-STD-209 E Airborne Particulate Cleanliness Classes in Cleanrooms and Cleanzones was a federal standard concerning classification of air cleanliness, intended for use in environments like clean rooms. The standard based its classifications on the measurement of airborne particles.[1]

Cancellation[edit]

The standard was canceled on November 29, 2001 by the United States General Services Administration (GSA). The document was superseded by standards written for the International Organization for Standardization (ISO).[2]

References[edit]

  1. ^ "FED-STD-209 E AIRBORNE PARTICULATE CLEANLINESS CLASSES". everyspec.com. Retrieved 2016-02-19. 
  2. ^ "Federal Standard 209E Cancellation". www.iest.org. Retrieved 2016-02-19. 

External links[edit]