Division
United Kingdom
F1Note: The statement on the calculated false suspected rate indicates if the method is fit-for-purpose as it indicates the number of blank (or low level contamination) samples that will be subject to verification.
Annotations
Textual amendments
Notes on Division 4.3.2.8
Footnotes
- f1
-
If a buffer is used to stabilise the pH changes in the extraction step, then this commodity group can be merged into one commodity group ‘ High water content ’ .
- f2
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‘ Difficult or unique commodities ’ should only be fully validated if they are frequently analysed. If they are only analysed occasionally, validation may be reduced to just checking the reporting levels using spiked blank extracts.