ANNEX VU.K.METHODS OF ANALYSIS TO CONTROL UNDESIRABLE SUBSTANCES IN FEED
[B. DETERMINATION OF THE LEVELS OF DIOXINS (PCDD/PCDF) AND PCBs U.K.
CHAPTER II U.K. Sample preparation and requirements for methods of analysis used in offical control of the levels of dioxins (PCDD/Fs) and dioxin-like PCBs in feed
7. Specific requirements for bioanalytical methods U.K.
7.4. Performance characteristics U.K.
7.4.2.As part of the validation process, the test shall be shown to discriminate between a blank sample and a level at the cut-off value, allowing the identification of samples above the corresponding cut-off value (see point 7.1.2).]U.K.