AOAC SPIFAN Stakeholder Program Meeting Book (September 10, 2020)

Quick Polar Pesticides (QuPPe) Method • Extraction with acidified methanol containing isotopically labeled ISTDs (water added to dry matrices) • Possibility to analyze other anionic pesticides together with chlorate & perchlorate • Different LC-MS/MS methods Updates from Dr. Michelangelo Anastassiades, Head of the EURL-SRM: • QuPPe method ring trial for ESI negative compounds is ongoing • Current project (results under evaluation): • Analysis of milk (54) and infant formula (80) samples from various EU countries for certain high-risk pesticides • Chlorate and perchlorate added to the scope

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RMs and PTs – Current Status

• No relevant RMs available • SPIFAN III materials contain measurable levels of chlorate and will be available from NIST with assigned values as possible • SRM 1869 COA is currently being updated to include chlorate value

• No PT available for dairy • Available programs for vegetables: FAPAS, LGC, TestQual • FAPAS initiated PT for pesticides in IF (Jan 20) to include perchlorate

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