AOAC SPIFAN Stakeholder Program Meeting Book (August 28, 2021)

STAKEHOLDER PANEL ON INFANT FORMULA & ADULT NUTRITIONALS (SPIFAN) Chlorate & Perchlorate Interlaboratory Studies

Melissa Phillips, National Institute of Standards & Technology AOAC Annual Meeting – August 28, 2021

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Preliminary Interlaboratory Study • 14 laboratories participated • 1 laboratory did not receive samples • 13 laboratories returned data • 5 samples distributed • One NIST SRM (SRM 1869) • One SPIFAN II product (soy-based IF) • One SPIFAN III sample (hydrolyzed milk-based IF) • Two whey protein ingredients • Method information collected • All laboratories provided general information about type of method used • Some laboratories responded to follow up with additional information Participant Signup (Dec '19) Sample Distribution (Feb ’20) Results Due (Mar ’20) Preliminary Data Evaluation (Apr '20) Follow Up Study (Fall ‘20) Final Report (Fall ‘20) 2