AOAC-RI ERP Micro June 2016
OMAMAN-29 D/ PTM Validation Report 111501 OMA ERP - June 2016 ERP Use Only
Table 7: Inoculum Summary Table for Whole Melons and Environmental Surfaces Matrix Whole Melons Inoculating Organism Listeria monocytogenes FSL J1-049 Low-Inoculum Level CFU a /Melon b 7 High-Inoculum Level CFU a /Test Melon b 55 Matrix Stainless Steel Inoculating Organism Listeria monocytogenes ATCC 19118
Enterococcus faecium ATCC 19434
Low-Inoculum Level CFU a /Test Area c High-Inoculum Level CFU a /Test Area c Inoculating Organism Low-Inoculum Level CFU a /Test Area c High-Inoculum Level CFU a /Test Area c Inoculating Organism Low-Inoculum Level CFU a /Test Area d High-Inoculum Level CFU a /Test Area d Matrix Matrix
42
530
400
4000
Sealed Concrete
Listeria monocytogenes ATCC 19117
35
360
Plastic
Listeria monocytogenes ATCC 51782
Listeria seeligeri ATCC 35967
Enterococcus faecalis ATCC 29212
42
64
540
420
590
3600
a CFU: aliquots of the inocula were plated in triplicate onto TSA and averaged b Test Area: Whole Melon
c Test Area: 4” x 4” Surface Area d Test Area: 1” x 1” Surface Area
AOAC Research Institute Expert Review Panel Use Only
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