AOAC Research Institute validated foods:

The DuPont Qualicon BAX® System PCR Assay for Screening E. coli O157:H7 MP has been validated and certified as a Performance Tested Method by the AOAC Research Institute as an effective method for the detection of E. coli O157:H7 in raw ground beef and raw beef trim using the BAX® System media for E. coli O157:H7 MP for the enrichment.