Microsoft Word - 3M Petrifilm REC Plate OMA Manuscript 09121
ERP Methods Book
117
e U.S. Food and Drug Administration Bacteriological Analytical Manual , Chapter 4, Enumeration of Escherichia coli and the Coliform Bacteria. 1 f Mean difference between the candidate and reference methods. 2 g Confidence interval based on paired statistical analysis. 3 h 95% Lower confidence limit for difference of means. 4 i 95% Upper confidence limit for difference of means. 5 k Uncontaminated matrix sample. 6 7 8 9 Table 13. Matrix study: 3M Petrifilm Rapid E. coli /Coliform Count Plate vs BAM Chapter 4 – E. coli count 10
3M Petrifilm Rapid E. coli /Coliform Count Plate
BAM e Chapter 4
95% CI g
Cont. level a
Matrix
Mean b 0.000 1.506 2.382 3.377 0.000 2.243 2.942 3.937 0.000 1.891 2.489 3.672 0.000 1.608 2.372 3.208 0.000 2.817
s r
RSD r
Mean 0.000 1.358 2.397 3.359 0.000 1.996 2.878 3.835 0.000 1.666 2.423 3.414 0.000 1.565 2.442 3.222 0.000 2.862
s r
RSD r
LCL h NA
UCL i
Mean diff. f
d
c
NA
NA
NA
NA
NA
NA
Un k
Low Med High Low Med High Low Med High Low Med High Un Un Un
0.119 0.240 0.246 0.134 0.246 0.043 0.226 0.375 0.303 0.175 0.108 0.100 NA NA NA
7.927 10.06 7.269 5.958 8.365 2.096 11.95 15.07 8.254 10.91 4.543 3.125 NA NA NA
0.215 0.205 0.194 0.195 0.187 0.192 0.078 0.238 0.172 0.218 0.083 0.193 NA NA NA
15.86 8.535 5.787 9.764 6.499 5.006 4.693 9.830 5.039 13.93 3.415 5.999 NA NA NA
0.148 ‐0.015 0.018 0.248 0.064 0.103 0.225 0.066 0.259 0.043 ‐0.071 ‐0.014 NA NA NA
0.021 ‐0.262 ‐0.264 0.108 ‐0.323 ‐0.138 ‐0.028 ‐0.317 0.070 ‐0.296 ‐0.177 ‐0.235 NA NA NA
0.289 0.194 0.259 0.391 0.418 0.334 0.468 0.414 0.435 0.385 0.035 0.235 NA NA NA
Pasteurized whole milk
Butter
Dry milk powder
Raw ground pork
Un
NA
NA
NA
NA
NA
NA
NA
Lamb chop
Low
0.015
0.537
0.072
2.498
‐0.045
‐0.138
0.047
Page 51 of 61
December 6, 2018
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