AOAC-RI ERP Book Micro Jan 19 2017

Table 3. Reference Method Testing Results for Ground Beef Matrix (325 g Ground Beef Analyzed via the USDA FSIS MLG Method 5.09)

Rainbow Acid Treated

H Serology VITEK Confirmation

Sample Number

Inoculum Level

Rainbow

O Serology

SBA

= = + + = + + = = + + = = + + = + + = + = = = = = + + + + +

= = + + = + + = = + + = = + + = + + = + = = = = = + + + + +

= = + + = + + = = + + = = + + = + + = + = = = = = + + + + +

= = + + = + + = = + + = = + + = + + = + = = = = = + + + + +

1 2 3 4 5 6 7 8 9

LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW LOW

+ + + +

+ E. coli O157 + E. coli O157 + E. coli O157 + E. coli O157

+ +

+ E. coli O157 + E. coli O157

10 11 12 13 14 15 16 17 18 19 20

+ + + +

+ E. coli O157 + E. coli O157 + E. coli O157 + E. coli O157

+

+ E. coli O157

1 2 3 4 5 1 2 3 4 5

UNINOC UNINOC UNINOC UNINOC UNINOC

+ + + + +

+ E. coli O157 + E. coli O157 + E. coli O157 + E. coli O157 + E. coli O157

HIGH HIGH HIGH HIGH HIGH

CONFIDENTIAL INFORMATION Page 8 of 13