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ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories is the main standard used by testing and calibration laboratories. In most countries, ISO/IEC 17025 is the standard for which most labs must hold accreditation in order to be deemed technically competent.
The National Voluntary Laboratory Accreditation Program (NVLAP), administered by the National Institute of Standards and Technology (NIST) in USA, offers accreditation for testing and calibration laboratories across various fields. NVLAP evaluates laboratories' technical qualifications and compliance with standards like ISO/IEC 17025. The ...
ISO REMCO, the ISO committee responsible for guidance on reference materials within ISO, [6] defines the following classes of reference material: [7] [8] Reference Material Material, sufficiently homogeneous and stable with respect to one or more specified properties, which has been established to be fit for its intended use in a measurement ...
In the United States the National Institute of Standards and Technology (NIST) National Voluntary Laboratory Accreditation Program (NVLAP) accredits CCTLs to meet National Information Assurance Partnership (NIAP) Common Criteria Evaluation and Validation Scheme requirements and conduct IT security evaluations for conformance to the Common Criteria.
A laboratory is evaluated according to international standards such as ISO/IEC 17025 general requirements for the competence of testing and calibration laboratories. [2] To ensure objective and technically-credible accreditation, the bodies are independent of other national measurement system institutions. [9]
ISO 9000 [2] and ISO 17025 [3] standards require that these traceable actions are to a high level and set out how they can be quantified. To communicate the quality of a calibration the calibration value is often accompanied by a traceable uncertainty statement to a stated confidence level. This is evaluated through careful uncertainty analysis.
Laboratories are often accredited for ISO 17025 and ISO 15189 compliance. Internationally, the International Laboratory Accreditation Cooperation establishes global recognition of these standards. Locally, conformance with ISO standards is checked by accreditation bodies. These often mandate, but always encourage laboratories to participate in ...
Verification is intended to check that a product, service, or system meets a set of design specifications. [6] [7] In the development phase, verification procedures involve performing special tests to model or simulate a portion, or the entirety, of a product, service, or system, then performing a review or analysis of the modeling results.
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