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1400 Harrison Ave

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Cincinnati, OH 45214

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Reviewers

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Yvonne Salfinger

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Consultant

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Denver, CO

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Michael Brodsky

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Brodsky Consultants

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73 Donnamora Crescent

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Thornhill, Ontario L3T 4K6

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Canada

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Reviewer

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Tony Hitchins

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FDA-Retired

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Rockville, MD

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Scope of Method

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a)

Target organism

.

— Listeria monocytogenes

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b)

Matrices

.

Beef hot dogs (25 g), deli turkey (125 g), queso fresco (25 g), vanilla ice cream

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(25 g), 4% milk fat cottage cheese (25 g), 3% chocolate whole milk (25 mL), whole melon,

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romaine lettuce (25 g), bagged raw spinach (25 g), cold smoked salmon (25 g), raw chicken

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leg pieces (25 g), sealed concrete (sponge enriched in 100 mL, 4” x 4”), plastic (Enviroswab

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enriched in 10 mL, 1” x 1”), stainless steel (sponge enriched in 225 mL, 4” x 4”).

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c)

Summary of Validated Performance Claims

.

Performance equivalent to that of the U.S.

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Food and Drug Administration

Bacteriological Analytical Manual

(FDA/BAM) Chapter 10

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[1] for whole melon, cold smoked salmon, romaine lettuce; the U.S. Department of

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Agriculture Food Safety and Inspection Service

Microbiology Laboratory Guidebook

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(USDA-FSIS/MLG) 8.09 [2] for beef hot dogs, deli turkey, raw chicken leg pieces, sealed

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concrete, plastic and stainless steel and AOAC 993.12 [3] for queso fresco, vanilla ice cream,

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4% milk fat cottage cheese, 3% chocolate whole milk and theISO 11290-1/A1 [4]for cold

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smoked salmon and bagged raw spinach.

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Definitions

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a)

Probability of Detection (POD).—

The proportion of positive analytical outcomes for a

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qualitative method for a given matrix at a given analyte level or concentration. POD is

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concentration dependent. Several POD measures can be calculated; POD

R

(reference method

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POD), POD

C

(confirmed candidate method POD), POD

CP

(candidate method presumptive

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result POD) and POD

CC

(candidate method confirmation result POD).

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AOAC Research Institute

Expert Review Panel Use Only

OMAMAN-30 D/ PTM Validation Report 081501

OMA ERP - June 2016

ERP Use Only