NCSL International 2004 Annual Workshop & Symposium Tutorials appears to include the morals of measurement! "The question is then asked, What is so special or different about the international recognition process for laboratory accreditation bodies? The simple answer is Confidence. There must be confidence that the accreditation bodies are competently accrediting testing and calibration laboratories for their competence to perform the tests or calibrations on their scopes of accreditation. This level of confidence is fundamental to the obligations of the MRA that each signatory accreditation body has to promote the acceptance of data from accredited laboratories of each MRA partner. This tutorial will explain the peer evaluation process leading to this confidence and try to make some sense out of the myriad of calibration accreditation bodies in the United States and the recognitions that each of them hold. "