PFAS Meeting Book MYM 2023

Next Steps:

• Identify performance criteria for LOQ and method o Recovery % – How is recovery calculated?

– Different ranges for those with matching isotopically labeled standards? o Reproducibility (within lab) o Repeatability (within lab) o Required analytical range – different for those with action levels/without? o S:N requirement – how calculated? Peak to peak?

o Ion ratios o Trueness o SRM evaluation?

AOAC INTERNATIONAL Midyear Meeting March 13 – 17, 2023 | Gaithersburg, MD