AOAC SPIFAN Stakeholder Program Meeting Book (March 17, 2021)

6. Selectivity

X Changed specificity into selectivity (based on IUPAC recommendation) X Two footnotes added: X 10 independent analyses: of independently prepared standards, if feasible X Concentration of analyte in Matrix Blank/Technical Reagent Blank to be <10% of the estimated LOQ X Added: “Useful strategies for completing selectivity vary from analyte to analyte. Therefore, the Study Directors for each analyte will decide on an acceptable practice.”

7. Precision

X Added wording using definitions as specified in chapter 1 X Added extra wording around intermediate precision: estimation of measurement uncertainty