ST 79 – How often should I test steam quality?

Steam Quality Testing – Frequency

AAMI/ANSI ST79 (2017) “Comprehensive guide to steam sterilization and sterility assurance in health care facilities”

How often are facilities supposed to test steam quality?

Here is what the Standard says:

  • upon installation or relocation of the sterilizer
  • after any change to the steam distribution lines or boiler supply water
  • when investigating sterilization process failures
  • when periodically assessing sterilization loads for wet packsSteam quality testing frequency
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