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Cleanroom Classifications

  1. What standards are used to classify cleanrooms?


  1. What standards are used to classify cleanrooms?


    Two standards were used to classify cleanrooms:  Federal Standard 209E (FD-STD-209E) was used in the US.  The ISO standard was used in Europe.  In November 2001,  FD-STD-209E was superceded by ISO 14644.

    Cleanroom Classifications
    Federal Standard ISO
      1
      2
    1 3
    10 4
    100 5
    1,000 6
    10,000 7
    100,000 8
      9



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