CISS Practice Questions - ACI Certified Industrial Sterilization Specialist Exam

What does the D-value represent in sterilization microbiology?

The total time required to achieve sterility The time or dose required to reduce a microbial population by 90% (1 log) The temperature at which all microorganisms are destroyed The minimum concentration of sterilant needed for microbial kill

Correct Answer:

The time or dose required to reduce a microbial population by 90% (1 log)

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