ISO 14644

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ISO 14644 Standards were first formed from the US Federal Standard 209E Airborne Particulate Cleanliness Classes in Cleanrooms and Clean Zones. The need for a single standard for cleanroom classification and testing was long felt. After ANSI and IEST petitioned to ISO for new standards, the first document of ISO 14644 was published in 1999, ISO 14644-1.[1]

In 2000, ISO 14644-2 was published, which began the process of FED-STD-209E being canceled. On November 29, 2001, the document was canceled and superseded by ISO 14644-1 and ISO 14644-2.[2]

ISO 14644 is now composed of:

See also[edit]


  1. ^ "ISO 14644 History". TSS, Inc. 2007-12-03. Archived from the original on 2007-12-30. Retrieved 2008-01-17. 
  2. ^ "FED-STD-209E Cancellation". IEST. 2007-12-03. Retrieved 2008-01-17. 
  3. ^ a b c d e f g h i "ISO 14644 Standards". IEST. 2007-12-03. Retrieved 2008-01-17.