# Commission Regulation (EC) No 333/2007 of 28 March 2007 laying down the methods of sampling and analysis for the control of the levels of trace elements and processing contaminants in foodstuffs (Text with EEA relevance), Division D.1.3: Measurement uncertainty

Extent: E+W+S+N.I.

The analytical result shall be reported as x +/– U whereby x is the analytical result and U is the expanded measurement uncertainty, using a coverage factor of 2 which gives a level of confidence of approximately 95 % (U = 2u).
The analyst shall note the ‘Report on the relationship between analytical results, measurement uncertainty, recovery factors and the provisions of EU food and feed legislation’ .

---
Source: https://www.legislation.gov.uk/eur/2007/333/annex/part/D/division/D.1/division/D.1.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2007-333/annex/part-D/division-D.1/division-D.1.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.