Microbiology-PTM-OMA_Modules_1-5

Harmonized Studies: Quantitative cont’d

AOAC RI PTM  Validation

Type of Analysis

AOAC OMA Validation ISO 16140‐2 Validation

Accuracy Profile 2 Food Types/Category 

5 – Low  5 – Medium 5 – High

Per Matrix 

Per Matrix 

5 – Noninoculated Control (where applicable) 5 – Low  5 – Medium 5 – High Repeatability, mean  difference & 95% CI

5 – Noninoculated Control (where applicable) 5 – Low  5 – Medium 5 – High Repeatability, mean  difference & 95% CI

Bias, β‐ETI, and AL Relative Trueness 3 food types/category 5 food items/type 15 samples/category Mean Difference, s D , Bias Plots LOQ Study (if appl.) 2 types/category 10 replicates (blanks)

Matrix Studies