The measurement is a pass-fail test. Accredited labs must repeat part of the test annually, typically for a different part of the SoA each time. Correction of Deficiencies and Technical Evaluation. Accreditation Granting and Renewal. Accreditation is not a one-time event.
Accreditation also includes sustaining issues.
And if you use outside labs to calibrate equipment described in the SoA, you'll need to make sure these labs also have been validated for competency. In addition to ensuring accurate measurements, accreditation brings opportunities for a lab to participate in international laboratory intercomparisons. These comparisons assist the US in demonstrating measurement equivalence with other nations and regions. Dave Shumway is the manager of corporate metrology and Chris Grachanen is the manager of standards engineering at Compaq Computer. Published by Cahners Business Information, Newton, MA Copyright 2001 Cahners Business Information , a division of Reed Elsevier .