Apr 25, 2018 · According to ANSI/AAMI ST79 Comprehensive guide to steam sterilization and sterility assurance in health care facilities, internal chemical indicators can be a Type 3, Type 4, Type 5, or Type 6.However, Types 5 and 6 are preferred for internal pack monitoring as they provide the user with more information on critical sterilization parameters. 1 The table below …
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