AOAC GFA Stakeholder Program Meeting Book (August 27, 2023)

PAGE TWELVE – MATRIX EXTENSION

6. Matrix Extension 7.1 Matrix Extension for single lab validation studies

A single lab matrix/POD study must be performed as described in 4.4 . A matrix/POD study must also be completed by an independent laboratory, and reported, as described under 5.2 . 7.2 Matrix Extension for multi-site collaborative studies A single lab matrix/POD study must be performed as described in 4.4 . A minimum of eight collaborator sites will perform the matrix / POD studies as described under 6.3 and reported as described under 6.5 .

Change the number from 6 to 7; 6 is the collab study

Renumber Matrix Extension section (Currently listed as 6, sub-sections are 7.x)