# Commission Regulation (EC) No 1882/2006 of 19 December 2006 laying down methods of sampling and analysis for the official control of the levels of nitrates in certain foodstuffs (Text with EEA relevance), Division D.3.2: Performance criteria

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

The specific criteria for methods of analysis used in the monitoring of nitrate levels shall be:
Precision RSDr may be calculated as 0,66 times Precision RSDR at the concentration of interest.
Criterion
Concentration range
Recommended value
Maximum permitted value
Recovery
< 500 mg/kg
60-120 %
≥ 500 mg/kg
90-110 %
Precision RSDR
All
As derived from Horwitz Equation
2 × value derived from Horwitz Equation

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Source: https://www.legislation.gov.uk/eur/2006/1882/annex/division/D/division/D.3/division/D.3.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2006-1882/annex/division-D/division-D.3/division-D.3.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.