AOAC ERP MICRO AUGUST 2018

OMAMAN-30 D/ PTM Validation Report 081501 OMA ERP - June 2016 ERP Use Only

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following the reference method.Detailed results of the POD analyses are presented in Tables 9

and 13.

Romaine lettuce (25 g)

For the low inoculation level of the MDA2 - Listeria monocytogenes assay, there were 7 presumptive positives and 7 confirmed positives following the FDA/BAM Chapter 10 reference method confirmation procedure. There were 6 observed positives for the reference method. For the high inoculation level, there were 5 presumptive positives and 5 confirmed positives following the FDA/BAM Chapter 10 reference method confirmation procedure. There were 5 confirmed positives following the reference method.Detailed results of the POD analyses are

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presented in Tables 10 and 14.

Queso Fresco (25 g)

For the low inoculation level of the MDA2 – Listeriamonocytogenes assay, there were 11 presumptive positives and 11 confirmed positives following the AOAC 993.12 reference method confirmation procedure. There were 9 observed positives for the reference method. For the high inoculation level, there were 5 presumptive positives and 5 confirmed positives following the AOAC 993.12 reference method confirmation procedure. There were 5 confirmed positives following the reference method.Detailed results of the POD analyses are presented in Tables 10

and 14.

4%Milk Fat Cottage Cheese (25 g)

For the low inoculation level of the MDA2 - Listeria monocytogenes assay, there were 10 presumptive positives and 10 confirmed positives following the AOAC 993.12 reference method confirmation procedure. There were 8 observed positives for the reference method. For the high inoculation level, there were 5 presumptive positives and 5 confirmed positives following the AOAC 993.12 reference method confirmation procedure. There were 5 confirmed positives following the reference method.Detailed results of the POD analyses are presented in Tables 10

AOAC Research Institute Expert Review Panel Use Only

and 14.

3% Chocolate Whole Milk (25 mL)

For the low inoculation level of the MDA2 - Listeria monocytogenes assay, there were 9 presumptive positives and 9 confirmed positives following the AOAC 993.12 reference method confirmation procedure. There were 6 observed positives for the reference method. For the high inoculation level, there were 5 presumptive positives and 5 confirmed positives following the AOAC 993.12 reference method confirmation procedure. There were 5 confirmed positives following the reference method.Detailed results of the POD analyses are presented in Tables 10

and 14.

Beef Hot Dog (25 g)