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I.B.5 To establish the traceability of a measurement result for a particular measurand, is it also necessary to establish the traceability of all other values of measured quantities associated with the measurand, especially those that might contribute in a relatively minor way? For example, when making a dimensional measurement, do the measurements of barometric pressure, humidity, and temperature for a dimensional measurement need to be traceable to the International System of Units (SI)?
I.E.2 If a laboratory establishes traceability of its measurement results to standards maintained by National Metrology Institutes (NMIs) that is a signatory to the CIPM MRA, does that mean that that laboratory's measurement results are traceable to standards maintained by other signatory NMIs?
I.E.4 Because NIST's National Voluntary Laboratory Accreditation Program (NVLAP) is a signatory to multiple MRAs with other accreditation bodies, does that mean NIST stands behind claims of traceability made by any laboratory accredited by any other MRA signatory?