AOAC ERP MICRO AUGUST 2018

OMAMAN-31 E: AOAC RI PTM Report 091501 ERP Use Only - March 2016

Table 7: Inoculum Summary Table for Environmental Surfaces Matrix Sealed Concrete Inoculating Organism Salmonella Dublin STs 27

Proteus vulgaris ATCC 6380

Low-Inoculum Level CFU a /Test Area b High-Inoculum Level CFU a /Test Area b Inoculating Organism Low-Inoculum Level CFU a /Test Area b High-Inoculum Level CFU a /Test Area b Inoculating Organism Low-Inoculum Level CFU a /Test Area c High-Inoculum Level CFU a /Test Area c Matrix Matrix

32

510

400

3700

Sealed ceramic Tile

Salmonella Anatum ATCC 9270

40

470

Stainless Steel

Salmonella Kahla ATCC 51782

57

510 a CFU: aliquots of the inocula were plated in triplicate onto TSA and averaged

b Test Area: 4” x 4” Surface Area c Test Area: 1” x 1” Surface Area

AOAC Research Institute Expert Review Panel Use Only