Metrology, the science of measurement, underpins our modern world. From everyday transactions to cutting-edge research, accurate measurements are essential. Billions of measurements are made globally each day, impacting trade, manufacturing, medicine, scientific discovery, consumer safety, and environmental
protection.

To ensure reliable results and informed decision-making, sound metrological principles must be rigorously applied. Metrology provides a framework to ensure the traceability, comparability and reliability of data. There are specific challenges related to methods for the analysis of biofilms, including biofilm heterogeneity, sensitivity to environmental conditions and the range of environments and surfaces where biofilms are encountered. A lack of standardisation limits the ability to compare results produced by different laboratories and also to monitor results over time. To be able to develop and apply suitable test methods requires an understanding of metrology.

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