A measurement system is the set of equipment, conditions, people, methods, and other quantifiable factors that combine to determine the success of a measurement process.
The planned, formal, periodic, and scheduled examination of the status and adequacy of the quality management system in relation to its quality policy and objectives by the organization’s top management.
A systematic and documented process for obtaining audit evidence and evaluating it objectively to verify that a laboratory’s operations comply with the requirements of its quality system.