• The operating theatre was struggling to select a suitable disinfectant for terminal cleaning that provided staff satisfaction.
  • Chlorine and hydrogen peroxide based products had been found unsuitable due to adverse staff reaction and remnants of surface residues.
  • The buffered peracetic acid based product was found to have the broadest acceptance by staff and met the requirements for terminal cleaning.


This short report documents an in-use evaluation of three disinfectant solutions that was conducted within the operating theatre of a South Australian hospital to address a high occurrence of Clostridium difficile Infection (CDI). The disinfectants were all registered by the Therapeutic Goods Administration (TGA) and included a buffered peracetic acid, a chlorine-based disinfectant used at 1000 ppm, and a hydrogen peroxide-based disinfectant. The use of the chlorine and hydrogen peroxide disinfectants both caused a number of adverse staff reactions and increased safe-work related incident reporting. The peracetic acid-based product met all criteria for use, including staff acceptance, cleaning expectation, cost and efficacy requirements.

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The key to disinfection is rotation of products and the use of microfiber.