**3.1. ISO/IEC 17025: competence of testing and calibration laboratories**

ISO 17025 establishes a set of requirements that must be met by entities performing tests and/or calibrations, including sampling. This standard is used by laboratories that want to develop and implement a quality management system for their services and to achieve laboratory accreditation. It establishes a model for the evaluation of the technical competence of the laboratory through a third-party audit.

ISO 17025 applies to all laboratories, regardless of the number of employees or the extent of the scope of testing or calibration activities and either for other organizations or individuals or their own organization. It covers tests based on standardized, non-standardized, or laboratory-developed methods.

ISO 17025 is formed by two groups of requirements:


Benefits of operating within a QMS like this are recognized by analysts thanks to the revenue increasing of laboratory business [5].
