Proceedings of the Open Forum on Laboratory Accreditation
Proceedings of an open forum to discuss issues in laboratory accreditation, including possible ways for achieving greater compatibility, coordination, & mutual recognition of competent laboratory accreditations. Heard reports from various sectors tin order to arrive at some consensus on the need to improve the current situation & infrastructure for laboratory accreditation in the U.S. Sectors included: laboratories, accreditors, manufacturers, government (both federal & states), standards organizations, & international trade experts.
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B-4. lappuse - Quality manual: A document stating the quality policy, quality system, and quality practices of an organization. The quality manual may reference other laboratory documentation. Quality system: The organizational structure, responsibilities, procedures, processes, and resources for implementing quality management. Quality system review: A formal evaluation by
B-4. lappuse - Reference material: A material or substance one or more properties of which are sufficiently well established to be used for the calibration of an apparatus, for the assessment of a measurement method, or for assigning values to materials.
B-6. lappuse - Testing laboratory: A laboratory which measures, examines, tests, calibrates or otherwise determines the characteristics or performance of products or materials. » Traceability: Property of the result of a measurement or the value of a standard whereby it can be > related to stated references, usually national or international standards, through an unbroken chain of > comparisons all having stated uncertainties.
150. lappuse - Calibration: A set of operations which establish, under specified conditions, the relationship between values indicated by a measuring instrument or system, or values represented by a material measure, and the corresponding known values of a measurand.
B-4. lappuse - means that one or more of the property values of the reference material are certified by a technically valid procedure, accompanied by or traceable to a certificate or other documentation which is issued by a certifying body. Reference standard: A standard, generally of the highest metrological quality available at a given location, from which measurements made at that location are derived.
B-3. lappuse - Test: A technical operation that consists of the determination of one or more characteristics or performance of a given product, material, equipment, organism, physical phenomenon, process or service according to a specified procedure. Test method: A defined technical procedure for performing a test.
B-6. lappuse - Uncertainty of measurement: Parameter, associated with the result of a measurement, that characterizes the dispersion of the values that could reasonably be attributed to the measurand. Uncertainty,
B-6. lappuse - Property of the result of a measurement or the value of a standard whereby it can be > related to stated references, usually national or international standards, through an unbroken chain of > comparisons all having stated uncertainties. Traceability of the accuracy of measuring instruments: A documented chain of comparison connecting the accuracy of a measuring instrument to other measuring instruments of higher accuracy and ultimately to a primary standard.