Metrology Lab's accreditation is a world's first, on a very fine line
The ORNL Metrology Laboratory's Brian Sizemore says he pulled a hair out of his head one day and weighed it. The scale read 210 micrograms.
Keep that figure in mind.
The Metrology Lab recently received accreditation from the National Voluntary Laboratory Accreditation Program in the areas of mass, mass balance, relative humidity and laboratory thermometers. The lab is now accredited to calibrate mass sets and is the world's first such facility that can provide NVLAP-accredited calibrations of analytical balances—of which ORNL has around 350—in the field...Read full story
Any reference to "accredited" or "accreditation" refers to the National Voluntary Laboratory Accreditation Program (NVLAP) and applies to calibration services only as performed by the Oak Ridge National Laboratory's (ORNL) Metrology Laboratory (Lab Code 200159-0). Refer to the ORNL NVLAP scope of accreditation for details."