PT Microbiology

Proficiency Testing (PT) is an external quality control that evaluates the laboratory’s ability to analyze and report accurate results over time. Participating laboratories will have their performance assessed by Eurofins, an independent accredited provider, allowing them also to compare their results and methods with those of other laboratories worldwide. Our PTs are excellent to simulate real life samples.

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CRM Microbiology

Certified Reference materials (CRMs) are used as internal controls. Each CRM is accompanied by a certificate that indicates the level of target organisms, and the laboratory will independently assess whether the results are satisfactory. CRMs are excellent for training new staff and monitoring everyday quality.

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Accredited reference materials

PT samples and CRMs are produced accredited by IFM Quality Services. The production complies with the requirements of ISO/IEC 17034; General requirements for the competence of reference material producers.

PT vs CRM

The participation in PTs and the use of CRMs can complement each other to meet the requirements of ISO/IEC 17025 ensuring validity of results and metrological traceability. They can serve many of the same purposes, however there are areas where one may be more suitable than the other. Some examples are provided below.

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