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Calibration and characterization certificates: Ireland
 
Traceability to the SI through the BIPM
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BIPM policy on stating uncertainties
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For other services offered by the BIPM, please refer to the summary charts for electricity, ionizing radiation, mass and time, frequency and gravimetry.

2008
No. 38 1 kg mass standard in "Immaculate V", No. E'69 NML, Ireland

2002
No. 70 1 kg mass standard in "Immaculate V", No. E'69 NML, Ireland