Testing to Determine the Cleaning Efficacy of Disinfectants

Study Design

Suspension test

First, the test circumstances and dilution-neutralization procedure are validated.
Then the actual efficacy of the disinfectant is evaluated using the experimental conditions determined in the validation
The titers in absence and presence of the disinfectant solution are determined and compared to each other. A reduction factor is determined.

Surface test

First the recovery capabilities of the sampling method are determined and optimized.
Then the actual efficacy of the disinfectant method for a specific surface is determined.
Recovery of microorganisms with and without applying the disinfectant is compared and a reduction factor is determined.
The surfaces to be tested should reflect the materials used in your facility on floor and work surfaces: e.g. Trespa and stainless steel.

Regulatory compliance

The disinfectant study is performed according to EN 1275 and EN 1276
Studies can be performed in accordance with cGMP and/or GLP guidelines
Tests can be customized to meet local regulatory requirements

Custom Assays

We understand that no production plant is identical and that every process is unique. Using a combination of practical experience and a scientific approach, we will customize disinfectant testing methods to meet your specific requirements including scientifically sound data that will be accepted by regulatory authorities around the globe.

Efficacy of disinfectants can be tested using control strains as described in the applicable regulations. The tests can be completed by including your specific house flora strains.

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