"Version: 20231101"--Title page verso.Includes bibliographical references.1. Introduction--quality management systems -- 1.1. A brief history of quality assurance -- 1.2. Quality infrastructure -- 1.3. Consistent measurement quantities and units -- 1.4. Written guidance that describes best practice -- 1.5. Accreditation -- 1.6. Enforcement--legal metrology -- 1.7. An example of the quality infr…