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Disinfectant testing on surfaces

B van Klingeren1

  • 1National Institute of Public Health, Bilthoven, The Netherlands.

The Journal of Hospital Infection
|June 1, 1995
PubMed
Summary
This summary is machine-generated.

European researchers developed a standardized surface test for disinfectant efficacy. This new method for assessing microbicidal activity on surfaces provides reproducible results across multiple laboratories.

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Area of Science:

  • Microbiology
  • Antimicrobial Efficacy Testing
  • Surface Disinfection

Background:

  • A European consensus on quantitative disinfectant testing has emerged over the past decade.
  • Harmonization of national test methods is a key objective within the European Committee for Standardisation (CEN/TC216).
  • Existing methods primarily focus on suspension tests, with a need for standardized surface testing.

Purpose of the Study:

  • To develop and validate a standardized surface test method for evaluating disinfectant efficacy.
  • To measure the microbicidal activity of disinfectants against bacteria adhered to surfaces.
  • To establish a reproducible and reliable method for surface disinfectant testing in Europe.

Main Methods:

  • An expert subgroup of CEN/TC216 drafted a novel test method.

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  • The proposed method assesses microbicidal activity on bacteria attached to surfaces.
  • An initial collaborative study involving seven laboratories was conducted.

    • Main Results:

    • The drafted surface test system demonstrated reproducible results across participating laboratories.
    • The test system met the requirements for a basic surface disinfectant test.
    • This indicates a successful step towards harmonized surface testing protocols.

    Conclusions:

    • The developed surface test method is reliable and reproducible for assessing disinfectant efficacy.
    • This standardized method is crucial for the harmonization of disinfectant testing in Europe.
    • The findings support the adoption of this method as a foundational surface disinfectant test.