AOAC OMB Orientation 9-2016

OMB Expectation Parameters

Comparison to  Standard/  Acceptance Criteria

Single Laboratory  Validation

Reproducibility/  Uncertainty

Documented method 

Qualitative methods: inclusivity (or equivalent), exclusivity (or  equivalent), robustness,  repeatability, POD (or equivalent),  cross reactivity, matrix scope,  etc…

performance versus a SMPR,  recognized reference standard  (materials), recognized reference  method, or general method end  user community guidance and/or  acceptance criteria

Qualitative methods: ‐ probability  of detection or equivalent

Quantitative methods:  demonstrated method linearity, accuracy, repeatability,  selectivity, LOD/LOQ, Matrix  scope, etc….

Quantitative methods:

Document reasons for

demonstrated method  reproducibility and/or uncertainty

acceptability if it doesn’t meet the  standard or acceptance criteria