AOAC-RI ERP Micro June 2016

OMAMAN-29 A/ Collaboartive Study Manuscript OMA ERP June 2016 ERP Use Only

Table 2016.2B (cont’d.) : Comparative Results for the Detection of Listeria in 25 g Raw Chicken Breast Fillet Test Portions by the 3M ™ MDA 2 - Listeria 1 Method vs. USDA/FSIS MLG Chapter. 8.09 in a Collaborative Study (High Inoculum Level) 2

Candidate presumptive (CP)

Candidate confirmed (CC)

Candidate result (C)

Reference method (R)

C vs. R

Matrix/ Inoculation Level

Statistic

Laboratory

POD (CP) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.92 1.00 0.99 0.96 1.00 0.09 0.08 0.16 0.00 0.00 0.04 0.09 0.08 0.10 NA 1.00 1.00

POD (CC) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.97 1.00 0.00 0.00 0.16 0.00 0.00 0.16 0.00 0.00 0.23 NA 1.00 1.00

POD (C) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.92 1.00 0.99 0.96 1.00 0.09 0.08 0.16 0.00 0.00 0.04 0.09 0.08 0.10 NA 1.00 1.00

POD (R) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.97 1.00 0.00 0.00 0.16 0.00 0.00 0.16 0.00 0.00 0.23 NA 1.00 1.00

dLPOD (C,R)

dLPOD (CP,CC)

N

X

N

X

N

X

N

X

1 2 3 4 5 6 7 8 9

12 12 12 12 12 12 12 12 12 12

12 12 12 12 12 12 12 12 11 12

12 12 12 12 12 12 12 12 12 12

12 12 12 12 12 12 12 12 12 12

12 12 12 12 12 12 12 12 12 12

12 12 12 12 12 12 12 12 11 12

12 12 12 12 12 12 12 12 12 12

12 12 12 12 12 12 12 12 12 12

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.08 0.00

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.08 0.00

Raw Chicken Breast Fillet

10 b 11 a

MPN/ Test Portion

NA NA

NA

NA

NA

NA

NA

NA

NA

NA

12 13

12 12

12 12

12 12

12 12

12 12

12 12

12 12

12 12

0.00 0.00

0.00 0.00

Estimate

All

132 131

132 132

132

131

132 132

-0.01 -0.04 0.02

-0.01 -0.04 0.02

6.24 3.58 10.88

LCL UCL LCL UCL LCL UCL UCL LCL s r c s L d s R e

0.4338 1.0000 a N/A – Laboratory did not participate or submit data for this matrix; b Results were not used in statistical analysis due to deviation from testing protocol. AOAC Research Institute Expert Review Panel Use Only 1.0000 0.4338 c Repeatability Standard Deviation, d Among-Laboratory Standard Deviation, e Reproducibility Standard Deviation, f P T Value = Homogeneity test of laboratory PODs LCL – Lower Confidence Limit; UCL – Upper Confidence Limit

f

P T

3 4 5 6

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